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TI-2026-47901 Aliases CVE-2026-68121GHSA-7hvc-v975-w6v4

pppoe: reload header pointer after dev_hard_header()

Priority LOW 36CWE-416Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 53 fixed, 2 without a fix

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.

Summary

In the Linux kernel, the following vulnerability has been resolved: pppoe: reload header pointer after dev_hard_header() pppoe_sendmsg() saves a pointer to the PPPoE header before calling dev_hard_header(). Device header callbacks are allowed to reallocate the skb head, invalidating pointers into it. This can happen when a send is blocked in copy_from_user() while the first non-Ethernet port is added to an empty team device. The team's delegated GRE header callback then expands the skb head. PPPoE subsequently writes six bytes through the stale pointer into the freed head. Reload the PPPoE header through the skb's network-header offset after device header creation. pskb_expand_head() updates that offset when it relocates the head.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00367 30th percentileScored 2026-11-07
Fix Partial Linux (Linux): 5.10.265, 5.15.216, 6.1.183 +5Red Hat: 32 advisoriesRed Hat: 53 fixed, 2 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
LinuxLinux2.6.12 and later5.10.265, 5.15.216, 6.1.183, 6.6.148, 6.12.101, 6.18.42, 7.1.6, 7.2Patch availableCNA
  • Linux VendorLinux Affected 2.6.12 and later Fixed in 5.10.265, 5.15.216, 6.1.183, 6.6.148, 6.12.101, 6.18.42, 7.1.6, 7.2 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*——Linux
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions — — ·Linux

Remediation

  • Fix · CNA Linux (Linux) Fixed in 5.10.265, 5.15.216, 6.1.183, 6.6.148, 6.12.101, 6.18.42, 7.1.6, 7.2

Red Hat 32 advisories

  • RHSA-2026:92629 Released 2026-10-29 · Red Hat rating Important
    kpatch-patch-5_14_0-284_134_1, kpatch-patch-5_14_0-284_148_1, kpatch-patch-5_14_0-284_158_1, kpatch-patch-5_14_0-284_172_1, and kpatch-patch-5_14_0-284_188_1 security update
    • Red Hat Enterprise Linux BaseOS E4S (v.9.2) kpatch-patch-5_14_0-284_134_1-1-18.el9_2, kpatch-patch-5_14_0-284_148_1-1-16.el9_2, kpatch-patch-5_14_0-284_158_1-1-14.el9_2 +2
  • RHSA-2026:92062 Released 2026-10-28 · Red Hat rating Important
    kpatch-patch-4_18_0-553_109_1, kpatch-patch-4_18_0-553_125_1, kpatch-patch-4_18_0-553_158_1, kpatch-patch-4_18_0-553_72_1, and kpatch-patch-4_18_0-553_85_1 security update
    • Red Hat Enterprise Linux BaseOS (v. 8) kpatch-patch-4_18_0-553_109_1-1-14.el8_10, kpatch-patch-4_18_0-553_125_1-1-11.el8_10, kpatch-patch-4_18_0-553_158_1-1-3.el8_10 +2
  • RHSA-2026:92061 Released 2026-10-28 · Red Hat rating Important
    kpatch-patch-6_12_0-211_16_1 and kpatch-patch-6_12_0-211_49_1 security update
    • Red Hat Enterprise Linux BaseOS (v. 10) kpatch-patch-6_12_0-211_16_1-2-11.el10_2, kpatch-patch-6_12_0-211_49_1-2-3.el10_2
Show 29 more Red Hat advisories
  • RHSA-2026:92063 Released 2026-10-28 · Red Hat rating Important
    kpatch-patch-4_18_0-477_107_1, kpatch-patch-4_18_0-477_120_1, kpatch-patch-4_18_0-477_130_1, kpatch-patch-4_18_0-477_143_1, and kpatch-patch-4_18_0-477_161_1 security update
    • Red Hat Enterprise Linux BaseOS E4S (v.8.8) kpatch-patch-4_18_0-477_107_1-1-17.el8_8, kpatch-patch-4_18_0-477_120_1-1-16.el8_8, kpatch-patch-4_18_0-477_130_1-1-14.el8_8 +2
  • RHSA-2026:91650 Released 2026-10-28 · Red Hat rating Important
    kpatch-patch-5_14_0-687_10_1 and kpatch-patch-5_14_0-687_42_1 security update
    • Red Hat Enterprise Linux BaseOS (v. 9) kpatch-patch-5_14_0-687_10_1-1-11.el9_8, kpatch-patch-5_14_0-687_42_1-1-2.el9_8
  • RHSA-2026:91638 Released 2026-10-28 · Red Hat rating Important
    kpatch-patch-5_14_0-570_116_1, kpatch-patch-5_14_0-570_135_1, kpatch-patch-5_14_0-570_39_1, kpatch-patch-5_14_0-570_66_1, and kpatch-patch-5_14_0-570_94_1 security update
    • Red Hat Enterprise Linux BaseOS EUS (v.9.6) kpatch-patch-5_14_0-570_116_1-1-12.el9_6, kpatch-patch-5_14_0-570_135_1-1-3.el9_6, kpatch-patch-5_14_0-570_39_1-1-18.el9_6 +2
  • RHSA-2026:91639 Released 2026-10-28 · Red Hat rating Important
    kpatch-patch-5_14_0-427_100_1, kpatch-patch-5_14_0-427_113_1, kpatch-patch-5_14_0-427_126_1, kpatch-patch-5_14_0-427_146_1, and kpatch-patch-5_14_0-427_84_1 security update
    • Red Hat Enterprise Linux BaseOS E4S (v.9.4) kpatch-patch-5_14_0-427_100_1-1-17.el9_4, kpatch-patch-5_14_0-427_113_1-1-15.el9_4, kpatch-patch-5_14_0-427_126_1-1-12.el9_4 +2
  • RHSA-2026:89714 Released 2026-10-27 · Red Hat rating Critical
    OpenShift Container Platform 4.16.74 bug fix and security update
    • Red Hat OpenShift Container Platform 4.16 rhcos-aarch64-416.94.202610242150-0, rhcos-ppc64le-416.94.202610242150-0, rhcos-s390x-416.94.202610242150-0 +1
  • RHSA-2026:90272 Released 2026-10-27 · Red Hat rating Critical
    OpenShift Container Platform 4.12.102 bug fix and security update
    • Red Hat OpenShift Container Platform 4.12 rhcos-x86_64-412.86.202610250235-0
  • RHSA-2026:89725 Released 2026-10-27 · Red Hat rating Critical
    OpenShift Container Platform 4.18.59 bug fix and security update
    • Red Hat OpenShift Container Platform 4.18 rhcos-aarch64-418.94.202610242013-0, rhcos-ppc64le-418.94.202610242013-0, rhcos-s390x-418.94.202610242013-0 +1
  • RHSA-2026:82782 Released 2026-10-22 · Red Hat rating Important
    OpenShift Container Platform 4.14.76 bug fix and security update
    • Red Hat OpenShift Container Platform 4.14 rhcos-aarch64-414.92.202610091316-0, rhcos-ppc64le-414.92.202610091316-0, rhcos-s390x-414.92.202610091316-0 +1
  • RHSA-2026:82811 Released 2026-10-22 · Red Hat rating Important
    OpenShift Container Platform 4.15.70 bug fix and security update
    • Red Hat OpenShift Container Platform 4.15 rhcos-aarch64-415.92.202610081130-0, rhcos-ppc64le-415.92.202610081130-0, rhcos-s390x-415.92.202610081130-0 +1
  • RHSA-2026:83479 Released 2026-10-21 · Red Hat rating Important
    OpenShift Container Platform 4.19.52 bug fix and security update
    • Red Hat OpenShift Container Platform 4.19 rhcos-aarch64-4.19.9.6.202610140904-0, rhcos-ppc64le-4.19.9.6.202610140904-0, rhcos-s390x-4.19.9.6.202610140904-0 +1
  • RHSA-2026:83540 Released 2026-10-20 · Red Hat rating Important
    OpenShift Container Platform 4.22.19 bug fix and security update
    • Red Hat OpenShift Container Platform 4.22 rhcos-aarch64-4.22.9.8.202610130742-0, rhcos-ppc64le-4.22.9.8.202610130742-0, rhcos-s390x-4.22.9.8.202610130742-0 +1
  • RHSA-2026:74377 Released 2026-10-06 · Red Hat rating Important
    OpenShift Container Platform 4.20.41 bug fix and security update
    • Red Hat OpenShift Container Platform 4.20 rhcos-aarch64-4.20.9.6.202609301206-0, rhcos-ppc64le-4.20.9.6.202609301206-0, rhcos-s390x-4.20.9.6.202609301206-0 +1
  • RHSA-2026:74379 Released 2026-10-06 · Red Hat rating Important
    OpenShift Container Platform 4.21.36 bug fix and security update
    • Red Hat OpenShift Container Platform 4.21 rhcos-aarch64-4.21.9.6.202609301133-0, rhcos-ppc64le-4.21.9.6.202609301133-0, rhcos-s390x-4.21.9.6.202609301133-0 +1
  • RHSA-2026:73788 Released 2026-09-30 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • NVIDIA for RHEL 10 kernel-6.12.0-259.27.el10nv, kernel-64k-6.12.0-259.27.el10nv, kernel-64k-core-6.12.0-259.27.el10nv +38
  • RHSA-2026:71700 Released 2026-09-25 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-687.52.1.el9_8, kernel-64k-debug-devel-matched-5.14.0-687.52.1.el9_8, kernel-64k-devel-5.14.0-687.52.1.el9_8 +12
    • Red Hat Enterprise Linux BaseOS (v. 9) kernel-5.14.0-687.52.1.el9_8, kernel-64k-5.14.0-687.52.1.el9_8, kernel-64k-core-5.14.0-687.52.1.el9_8 +28
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) kernel-tools-libs-devel-5.14.0-687.52.1.el9_8, libperf-5.14.0-687.52.1.el9_8
    • Red Hat Enterprise Linux Real Time (v. 9) kernel-rt-5.14.0-687.52.1.el9_8, kernel-rt-64k-5.14.0-687.52.1.el9_8, kernel-rt-64k-core-5.14.0-687.52.1.el9_8 +21
    • Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt-5.14.0-687.52.1.el9_8, kernel-rt-core-5.14.0-687.52.1.el9_8, kernel-rt-debug-5.14.0-687.52.1.el9_8 +9
  • RHSA-2026:71687 Released 2026-09-24 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux Server (v. 7 ELS) bpftool-3.10.0-1160.164.1.el7, kernel-3.10.0-1160.164.1.el7, kernel-abi-whitelists-3.10.0-1160.164.1.el7 +11
    • Red Hat Enterprise Linux Server Optional (v. 7 ELS) kernel-debug-devel-3.10.0-1160.164.1.el7, kernel-tools-libs-devel-3.10.0-1160.164.1.el7
  • RHSA-2026:71631 Released 2026-09-24 · Red Hat rating Important
    kernel security update
    • Red Hat CodeReady Linux Builder EUS (v.9.6) kernel-tools-libs-devel-5.14.0-570.144.1.el9_6, libperf-5.14.0-570.144.1.el9_6
    • Red Hat Enterprise Linux AppStream EUS (v.9.6) kernel-64k-debug-devel-5.14.0-570.144.1.el9_6, kernel-64k-debug-devel-matched-5.14.0-570.144.1.el9_6, kernel-64k-devel-5.14.0-570.144.1.el9_6 +12
    • Red Hat Enterprise Linux BaseOS EUS (v.9.6) kernel-5.14.0-570.144.1.el9_6, kernel-64k-5.14.0-570.144.1.el9_6, kernel-64k-core-5.14.0-570.144.1.el9_6 +28
    • Red Hat Enterprise Linux Real Time EUS (v.9.6) kernel-rt-5.14.0-570.144.1.el9_6, kernel-rt-64k-5.14.0-570.144.1.el9_6, kernel-rt-64k-core-5.14.0-570.144.1.el9_6 +21
    • Red Hat Enterprise Linux Real Time for NFV EUS (v.9.6) kernel-rt-5.14.0-570.144.1.el9_6, kernel-rt-core-5.14.0-570.144.1.el9_6, kernel-rt-debug-5.14.0-570.144.1.el9_6 +11
  • RHSA-2026:71602 Released 2026-09-24 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream (v. 10) kernel-64k-debug-devel-6.12.0-211.60.1.el10_2, kernel-64k-debug-devel-matched-6.12.0-211.60.1.el10_2, kernel-64k-devel-6.12.0-211.60.1.el10_2 +12
    • Red Hat Enterprise Linux BaseOS (v. 10) kernel-6.12.0-211.60.1.el10_2, kernel-64k-6.12.0-211.60.1.el10_2, kernel-64k-core-6.12.0-211.60.1.el10_2 +29
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) kernel-tools-libs-devel-6.12.0-211.60.1.el10_2, libperf-6.12.0-211.60.1.el10_2
    • Red Hat Enterprise Linux Real Time (v. 10) kernel-rt-6.12.0-211.60.1.el10_2, kernel-rt-64k-6.12.0-211.60.1.el10_2, kernel-rt-64k-core-6.12.0-211.60.1.el10_2 +21
    • Red Hat Enterprise Linux Real Time for NFV (v. 10) kernel-rt-6.12.0-211.60.1.el10_2, kernel-rt-core-6.12.0-211.60.1.el10_2, kernel-rt-debug-6.12.0-211.60.1.el10_2 +9
  • RHSA-2026:71657 Released 2026-09-24 · Red Hat rating Important
    kernel-rt security update
    • Red Hat Enterprise Linux for Real Time (v. 7 ELS) kernel-rt-3.10.0-1160.164.1.rt56.1316.el7, kernel-rt-debug-3.10.0-1160.164.1.rt56.1316.el7, kernel-rt-debug-devel-3.10.0-1160.164.1.rt56.1316.el7 +4
  • RHSA-2026:71649 Released 2026-09-24 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux Server -EXTENSION(v. 6 ELS-EXTENSION) kernel-2.6.32-754.63.1.el6, kernel-abi-whitelists-2.6.32-754.63.1.el6, kernel-debug-2.6.32-754.63.1.el6 +7
    • Red Hat Enterprise Linux Server Optional -EXTENSION (v. 6 ELS -EXTENSION) python-perf-2.6.32-754.63.1.el6
  • RHSA-2026:71599 Released 2026-09-24 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux AppStream EUS (v. 10.0) kernel-64k-debug-devel-6.12.0-55.107.1.el10_0, kernel-64k-debug-devel-matched-6.12.0-55.107.1.el10_0, kernel-64k-devel-6.12.0-55.107.1.el10_0 +12
    • Red Hat Enterprise Linux BaseOS EUS (v. 10.0) kernel-6.12.0-55.107.1.el10_0, kernel-64k-6.12.0-55.107.1.el10_0, kernel-64k-core-6.12.0-55.107.1.el10_0 +28
    • Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) kernel-tools-libs-devel-6.12.0-55.107.1.el10_0, libperf-6.12.0-55.107.1.el10_0
    • Red Hat Enterprise Linux Real Time EUS (v. 10.0) kernel-rt-6.12.0-55.107.1.el10_0, kernel-rt-64k-6.12.0-55.107.1.el10_0, kernel-rt-64k-core-6.12.0-55.107.1.el10_0 +21
    • Red Hat Enterprise Linux Real Time for NFV EUS (v. 10.0) kernel-rt-6.12.0-55.107.1.el10_0, kernel-rt-core-6.12.0-55.107.1.el10_0, kernel-rt-debug-6.12.0-55.107.1.el10_0 +11
  • RHSA-2026:71569 Released 2026-09-24 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.4) kernel-64k-debug-devel-5.14.0-427.152.1.el9_4, kernel-64k-debug-devel-matched-5.14.0-427.152.1.el9_4, kernel-64k-devel-5.14.0-427.152.1.el9_4 +11
    • Red Hat Enterprise Linux BaseOS E4S (v.9.4) bpftool-7.3.0-427.152.1.el9_4, kernel-5.14.0-427.152.1.el9_4, kernel-64k-5.14.0-427.152.1.el9_4 +29
    • Red Hat Enterprise Linux Real Time E4S (v.9.4) kernel-rt-5.14.0-427.152.1.el9_4, kernel-rt-core-5.14.0-427.152.1.el9_4, kernel-rt-debug-5.14.0-427.152.1.el9_4 +9
    • Red Hat Enterprise Linux Real Time for NFV E4S (v.9.4) kernel-rt-5.14.0-427.152.1.el9_4, kernel-rt-core-5.14.0-427.152.1.el9_4, kernel-rt-debug-5.14.0-427.152.1.el9_4 +11
  • RHSA-2026:71601 Released 2026-09-24 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.2) kernel-64k-debug-devel-5.14.0-284.194.1.el9_2, kernel-64k-debug-devel-matched-5.14.0-284.194.1.el9_2, kernel-64k-devel-5.14.0-284.194.1.el9_2 +10
    • Red Hat Enterprise Linux BaseOS E4S (v.9.2) bpftool-7.0.0-284.194.1.el9_2, kernel-5.14.0-284.194.1.el9_2, kernel-64k-5.14.0-284.194.1.el9_2 +29
  • RHSA-2026:71594 Released 2026-09-24 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux BaseOS E4S (v.8.8) bpftool-4.18.0-477.170.1.el8_8, kernel-4.18.0-477.170.1.el8_8, kernel-abi-stablelists-4.18.0-477.170.1.el8_8 +14
    • Red Hat Enterprise Linux BaseOS TUS (v.8.8) bpftool-4.18.0-477.170.1.el8_8, kernel-4.18.0-477.170.1.el8_8, kernel-abi-stablelists-4.18.0-477.170.1.el8_8 +14
  • RHSA-2026:71606 Released 2026-09-24 · Red Hat rating Important
    kernel-rt security update
    • Red Hat Enterprise Linux Real Time E4S (v.9.2) kernel-rt-5.14.0-284.194.1.rt14.479.el9_2, kernel-rt-core-5.14.0-284.194.1.rt14.479.el9_2, kernel-rt-debug-5.14.0-284.194.1.rt14.479.el9_2 +9
    • Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2) kernel-rt-5.14.0-284.194.1.rt14.479.el9_2, kernel-rt-core-5.14.0-284.194.1.rt14.479.el9_2, kernel-rt-debug-5.14.0-284.194.1.rt14.479.el9_2 +11
  • RHSA-2026:71592 Released 2026-09-24 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux BaseOS AUS (v.8.6) bpftool-4.18.0-372.218.1.el8_6, kernel-4.18.0-372.218.1.el8_6, kernel-abi-stablelists-4.18.0-372.218.1.el8_6 +14
    • Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.6) bpftool-4.18.0-372.218.1.el8_6, kernel-4.18.0-372.218.1.el8_6, kernel-abi-stablelists-4.18.0-372.218.1.el8_6 +19
  • RHSA-2026:71565 Released 2026-09-24 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux BaseOS AUS (v.8.4) bpftool-4.18.0-305.209.1.el8_4, kernel-4.18.0-305.209.1.el8_4, kernel-abi-stablelists-4.18.0-305.209.1.el8_4 +14
    • Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4) bpftool-4.18.0-305.209.1.el8_4, kernel-4.18.0-305.209.1.el8_4, kernel-abi-stablelists-4.18.0-305.209.1.el8_4 +19
  • RHSA-2026:71329 Released 2026-09-24 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-553.168.1.el8_10, kernel-4.18.0-553.168.1.el8_10, kernel-abi-stablelists-4.18.0-553.168.1.el8_10 +19
    • Red Hat Enterprise Linux CRB (v. 8) kernel-tools-libs-devel-4.18.0-553.168.1.el8_10
  • RHSA-2026:71330 Released 2026-09-24 · Red Hat rating Important
    kernel-rt security update
    • Red Hat Enterprise Linux NFV (v. 8) kernel-rt-4.18.0-553.168.1.rt7.509.el8_10, kernel-rt-core-4.18.0-553.168.1.rt7.509.el8_10, kernel-rt-debug-4.18.0-553.168.1.rt7.509.el8_10 +9
    • Red Hat Enterprise Linux RT (v. 8) kernel-rt-4.18.0-553.168.1.rt7.509.el8_10, kernel-rt-core-4.18.0-553.168.1.rt7.509.el8_10, kernel-rt-debug-4.18.0-553.168.1.rt7.509.el8_10 +7

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 9AffectedNo fix yet
Red Hat OpenShift Container Platform 5AffectedNo fix yet
NVIDIA for RHEL 10Fixed RHSA-2026:73788
Red Hat CodeReady Linux Builder EUS (v.9.6)Fixed RHSA-2026:71631
Red Hat Enterprise Linux AppStream (v. 10)Fixed RHSA-2026:71602
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2026:71700
Red Hat Enterprise Linux AppStream E4S (v.9.2)Fixed RHSA-2026:71601
Red Hat Enterprise Linux AppStream E4S (v.9.4)Fixed RHSA-2026:71569
Red Hat Enterprise Linux AppStream EUS (v. 10.0)Fixed RHSA-2026:71599
Red Hat Enterprise Linux AppStream EUS (v.9.6)Fixed RHSA-2026:71631
Red Hat Enterprise Linux BaseOS (v. 10)Fixed RHSA-2026:71602, RHSA-2026:92061
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2026:71329, RHSA-2026:92062
Red Hat Enterprise Linux BaseOS (v. 9)Fixed RHSA-2026:71700, RHSA-2026:91650
Red Hat Enterprise Linux BaseOS AUS (v.8.4)Fixed RHSA-2026:71565
Red Hat Enterprise Linux BaseOS AUS (v.8.6)Fixed RHSA-2026:71592
Red Hat Enterprise Linux BaseOS E4S (v.8.8)Fixed RHSA-2026:71594, RHSA-2026:92063
Red Hat Enterprise Linux BaseOS E4S (v.9.2)Fixed RHSA-2026:71601, RHSA-2026:92629
Red Hat Enterprise Linux BaseOS E4S (v.9.4)Fixed RHSA-2026:71569, RHSA-2026:91639
Red Hat Enterprise Linux BaseOS EUS (v. 10.0)Fixed RHSA-2026:71599
Red Hat Enterprise Linux BaseOS EUS (v.9.6)Fixed RHSA-2026:71631, RHSA-2026:91638
Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4)Fixed RHSA-2026:71565
Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.6)Fixed RHSA-2026:71592
Red Hat Enterprise Linux BaseOS TUS (v.8.8)Fixed RHSA-2026:71594
Red Hat Enterprise Linux CRB (v. 8)Fixed RHSA-2026:71329
Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)Fixed RHSA-2026:71602
Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)Fixed RHSA-2026:71700
Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)Fixed RHSA-2026:71599
Red Hat Enterprise Linux NFV (v. 8)Fixed RHSA-2026:71330
Red Hat Enterprise Linux RT (v. 8)Fixed RHSA-2026:71330
Red Hat Enterprise Linux Real Time (v. 10)Fixed RHSA-2026:71602
Red Hat Enterprise Linux Real Time (v. 9)Fixed RHSA-2026:71700
Red Hat Enterprise Linux Real Time E4S (v.9.2)Fixed RHSA-2026:71606
Red Hat Enterprise Linux Real Time E4S (v.9.4)Fixed RHSA-2026:71569
Red Hat Enterprise Linux Real Time EUS (v. 10.0)Fixed RHSA-2026:71599
Red Hat Enterprise Linux Real Time EUS (v.9.6)Fixed RHSA-2026:71631
Red Hat Enterprise Linux Real Time for NFV (v. 10)Fixed RHSA-2026:71602
Red Hat Enterprise Linux Real Time for NFV (v. 9)Fixed RHSA-2026:71700
Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2)Fixed RHSA-2026:71606
Red Hat Enterprise Linux Real Time for NFV E4S (v.9.4)Fixed RHSA-2026:71569
Red Hat Enterprise Linux Real Time for NFV EUS (v. 10.0)Fixed RHSA-2026:71599
Red Hat Enterprise Linux Real Time for NFV EUS (v.9.6)Fixed RHSA-2026:71631
Red Hat Enterprise Linux Server (v. 7 ELS)Fixed RHSA-2026:71687
Red Hat Enterprise Linux Server -EXTENSION(v. 6 ELS-EXTENSION)Fixed RHSA-2026:71649
Red Hat Enterprise Linux Server Optional (v. 7 ELS)Fixed RHSA-2026:71687
Red Hat Enterprise Linux Server Optional -EXTENSION (v. 6 ELS -EXTENSION)Fixed RHSA-2026:71649
Red Hat Enterprise Linux for Real Time (v. 7 ELS)Fixed RHSA-2026:71657
Red Hat OpenShift Container Platform 4.12Fixed RHSA-2026:90272
Red Hat OpenShift Container Platform 4.14Fixed RHSA-2026:82782
Red Hat OpenShift Container Platform 4.15Fixed RHSA-2026:82811
Red Hat OpenShift Container Platform 4.16Fixed RHSA-2026:89714
Red Hat OpenShift Container Platform 4.18Fixed RHSA-2026:89725
Red Hat OpenShift Container Platform 4.19Fixed RHSA-2026:83479
Red Hat OpenShift Container Platform 4.20Fixed RHSA-2026:74377
Red Hat OpenShift Container Platform 4.21Fixed RHSA-2026:74379
Red Hat OpenShift Container Platform 4.22Fixed RHSA-2026:83540

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-68121
  2. 2026-10-03 Alias added: GHSA-7hvc-v975-w6v4
  3. 2026-10-08 Fix available: Red Hat OpenShift Container Platform 4.20, Red Hat OpenShift Container Platform 4.21 · Red Hat
  4. 2026-10-09 Fix available: RHSA-2026:74377 · Red Hat
  5. 2026-10-09 Fix available: RHSA-2026:74379 · Red Hat
  6. 2026-10-16 CISA SSVC decision points changed
  7. 2026-10-20 Weakness changed · CISA ADP
  8. 2026-10-21 Fix available: RHSA-2026:83479 · Red Hat
  9. 2026-10-21 Fix available: RHSA-2026:83540 · Red Hat
  10. 2026-10-21 Fix available: Red Hat OpenShift Container Platform 4.19, Red Hat OpenShift Container Platform 4.22 · Red Hat
  11. 2026-10-23 Fix available: RHSA-2026:82782 · Red Hat
  12. 2026-10-23 Fix available: RHSA-2026:82811 · Red Hat
  13. 2026-10-23 Fix available: Red Hat OpenShift Container Platform 4.14, Red Hat OpenShift Container Platform 4.15 · Red Hat
  14. 2026-10-27 Fix available: Red Hat OpenShift Container Platform 4.12, Red Hat OpenShift Container Platform 4.16, Red Hat OpenShift Container Platform 4.18 · Red Hat
  15. 2026-10-29 Affected versions changed · Red Hat
  16. 2026-10-29 Fix available: RHSA-2026:91639 · Red Hat
  17. 2026-10-29 Fix available: RHSA-2026:91650 · Red Hat
  18. 2026-10-29 Fix available: RHSA-2026:89714 · Red Hat
  19. 2026-10-29 Fix available: RHSA-2026:90272 · Red Hat
  20. 2026-10-29 Fix available: RHSA-2026:89725 · Red Hat
  21. 2026-10-29 Fix available: RHSA-2026:92063 · Red Hat
  22. 2026-10-29 Fix available: RHSA-2026:92061 · Red Hat
  23. 2026-10-30 Fix available: RHSA-2026:92629 · Red Hat
  24. 2026-10-30 Affected versions changed · Red Hat
  25. 2026-10-30 Fix available: RHSA-2026:92062 · Red Hat
  26. 2026-10-30 Fix available: RHSA-2026:91638 · Red Hat
  27. 2026-10-30 Affected versions changed · Red Hat

References

  • TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
  • TI-2021-02452 Incorrect authorization in Ubuntu linux kernel KEVCVSS 3.1HIGH 8.8
  • TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
  • TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
  • TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
See all 21741 →

Sources