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TI-2026-18641 Aliases CVE-2026-23204GHSA-rf63-9f5h-hhg6

net/sched: cls_u32: use skb_header_pointer_careful()

Priority LOW 30CWE-125Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · None · High
Fix status
Partial Red Hat: 48 fixed, 1 without a fix

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat.

Summary

In the Linux kernel, the following vulnerability has been resolved: net/sched: cls_u32: use skb_header_pointer_careful() skb_header_pointer() does not fully validate negative @offset values. Use skb_header_pointer_careful() instead. GangMin Kim provided a report and a repro fooling u32_classify(): BUG: KASAN: slab-out-of-bounds in u32_classify+0x1180/0x11b0 net/sched/cls_u32.c:221

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00152 4th percentileScored 2026-11-07
Fix Partial Linux (Linux): 5.10.260, 5.15.209, 6.1.167 +4Red Hat: 18 advisoriesRed Hat: 48 fixed, 1 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
LinuxLinux2.6.35 and later5.10.260, 5.15.209, 6.1.167, 6.6.124, 6.12.70, 6.18.10, 6.19Patch availableCNA
  • Linux VendorLinux Affected 2.6.35 and later Fixed in 5.10.260, 5.15.209, 6.1.167, 6.6.124, 6.12.70, 6.18.10, 6.19 Patch available CNA

CPE configurations NVD · 15

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*2.6.35.1 to before 6.6.124; 6.7 to before 6.12.70; 6.13 to before 6.18.10VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.35:-:*:*:*:*:*:*2.6.35VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.35:rc2:*:*:*:*:*:*2.6.35 rc2VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.35:rc3:*:*:*:*:*:*2.6.35 rc3VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.35:rc4:*:*:*:*:*:*2.6.35 rc4VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.35:rc5:*:*:*:*:*:*2.6.35 rc5VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.35:rc6:*:*:*:*:*:*2.6.35 rc6VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.19:rc1:*:*:*:*:*:*6.19 rc1VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.19:rc2:*:*:*:*:*:*6.19 rc2VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.19:rc3:*:*:*:*:*:*6.19 rc3VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 2.6.35.1 to before 6.6.124; 6.7 to before 6.12.70; 6.13 to before 6.18.10 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.35:-:*:*:*:*:*:* Versions 2.6.35 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.35:rc2:*:*:*:*:*:* Versions 2.6.35 rc2 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.35:rc3:*:*:*:*:*:* Versions 2.6.35 rc3 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.35:rc4:*:*:*:*:*:* Versions 2.6.35 rc4 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.35:rc5:*:*:*:*:*:* Versions 2.6.35 rc5 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.35:rc6:*:*:*:*:*:* Versions 2.6.35 rc6 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.19:rc1:*:*:*:*:*:* Versions 6.19 rc1 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.19:rc2:*:*:*:*:*:* Versions 6.19 rc2 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.19:rc3:*:*:*:*:*:* Versions 6.19 rc3 Vulnerable ·Linux
Show 5 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:6.19:rc4:*:*:*:*:*:*6.19 rc4VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.19:rc5:*:*:*:*:*:*6.19 rc5VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.19:rc6:*:*:*:*:*:*6.19 rc6VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.19:rc7:*:*:*:*:*:*6.19 rc7VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.19:rc8:*:*:*:*:*:*6.19 rc8VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:6.19:rc4:*:*:*:*:*:* Versions 6.19 rc4 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.19:rc5:*:*:*:*:*:* Versions 6.19 rc5 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.19:rc6:*:*:*:*:*:* Versions 6.19 rc6 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.19:rc7:*:*:*:*:*:* Versions 6.19 rc7 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.19:rc8:*:*:*:*:*:* Versions 6.19 rc8 Vulnerable ·Linux

Remediation

  • Fix · CNA Linux (Linux) Fixed in 5.10.260, 5.15.209, 6.1.167, 6.6.124, 6.12.70, 6.18.10, 6.19

Red Hat 18 advisories

  • RHSA-2026:19568 Released 2026-05-20 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-687.10.1.el9_8, kernel-64k-debug-devel-matched-5.14.0-687.10.1.el9_8, kernel-64k-devel-5.14.0-687.10.1.el9_8 +12
    • Red Hat Enterprise Linux BaseOS (v. 9) kernel-5.14.0-687.10.1.el9_8, kernel-64k-5.14.0-687.10.1.el9_8, kernel-64k-core-5.14.0-687.10.1.el9_8 +28
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) kernel-tools-libs-devel-5.14.0-687.10.1.el9_8, libperf-5.14.0-687.10.1.el9_8
    • Red Hat Enterprise Linux Real Time (v. 9) kernel-rt-5.14.0-687.10.1.el9_8, kernel-rt-64k-5.14.0-687.10.1.el9_8, kernel-rt-64k-core-5.14.0-687.10.1.el9_8 +21
    • Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt-5.14.0-687.10.1.el9_8, kernel-rt-core-5.14.0-687.10.1.el9_8, kernel-rt-debug-5.14.0-687.10.1.el9_8 +9
  • RHSA-2026:10756 Released 2026-04-27 · Red Hat rating Moderate
    kernel-rt security update
    • Red Hat Enterprise Linux for Real Time (v. 7 ELS) kernel-rt-3.10.0-1160.148.1.rt56.1300.el7, kernel-rt-debug-3.10.0-1160.148.1.rt56.1300.el7, kernel-rt-debug-devel-3.10.0-1160.148.1.rt56.1300.el7 +4
  • RHSA-2026:10108 Released 2026-04-23 · Red Hat rating Important
    kernel security update
    • Red Hat CodeReady Linux Builder EUS (v.9.4) kernel-tools-libs-devel-5.14.0-427.121.1.el9_4, libperf-5.14.0-427.121.1.el9_4
    • Red Hat Enterprise Linux AppStream EUS (v.9.4) kernel-64k-debug-devel-5.14.0-427.121.1.el9_4, kernel-64k-debug-devel-matched-5.14.0-427.121.1.el9_4, kernel-64k-devel-5.14.0-427.121.1.el9_4 +11
    • Red Hat Enterprise Linux BaseOS EUS (v.9.4) bpftool-7.3.0-427.121.1.el9_4, kernel-5.14.0-427.121.1.el9_4, kernel-64k-5.14.0-427.121.1.el9_4 +29
    • Red Hat Enterprise Linux Real Time EUS (v.9.4) kernel-rt-5.14.0-427.121.1.el9_4, kernel-rt-core-5.14.0-427.121.1.el9_4, kernel-rt-debug-5.14.0-427.121.1.el9_4 +9
    • Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4) kernel-rt-5.14.0-427.121.1.el9_4, kernel-rt-core-5.14.0-427.121.1.el9_4, kernel-rt-debug-5.14.0-427.121.1.el9_4 +11
Show 15 more Red Hat advisories
  • RHSA-2026:9870 Released 2026-04-22 · Red Hat rating Moderate
    kernel security update
    • Red Hat Enterprise Linux Server (v. 7 ELS) bpftool-3.10.0-1160.148.1.el7, kernel-3.10.0-1160.148.1.el7, kernel-abi-whitelists-3.10.0-1160.148.1.el7 +11
    • Red Hat Enterprise Linux Server Optional (v. 7 ELS) kernel-debug-devel-3.10.0-1160.148.1.el7, kernel-tools-libs-devel-3.10.0-1160.148.1.el7
  • RHSA-2026:9836 Released 2026-04-22 · Red Hat rating Moderate
    kernel security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.0) kernel-debug-devel-5.14.0-70.175.1.el9_0, kernel-debug-devel-matched-5.14.0-70.175.1.el9_0, kernel-devel-5.14.0-70.175.1.el9_0 +5
    • Red Hat Enterprise Linux BaseOS E4S (v.9.0) bpftool-5.14.0-70.175.1.el9_0, kernel-5.14.0-70.175.1.el9_0, kernel-abi-stablelists-5.14.0-70.175.1.el9_0 +14
  • RHSA-2026:9835 Released 2026-04-22 · Red Hat rating Moderate
    kernel-rt security update
    • Red Hat Enterprise Linux NFV E4S (v.9.0) kernel-rt-5.14.0-70.175.1.rt21.247.el9_0, kernel-rt-core-5.14.0-70.175.1.rt21.247.el9_0, kernel-rt-debug-5.14.0-70.175.1.rt21.247.el9_0 +9
    • Red Hat Enterprise Linux Real Time E4S (v.9.0) kernel-rt-5.14.0-70.175.1.rt21.247.el9_0, kernel-rt-core-5.14.0-70.175.1.rt21.247.el9_0, kernel-rt-debug-5.14.0-70.175.1.rt21.247.el9_0 +7
  • RHSA-2026:9644 Released 2026-04-22 · Red Hat rating Moderate
    kernel security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.2) kernel-64k-debug-devel-5.14.0-284.166.1.el9_2, kernel-64k-debug-devel-matched-5.14.0-284.166.1.el9_2, kernel-64k-devel-5.14.0-284.166.1.el9_2 +10
    • Red Hat Enterprise Linux BaseOS E4S (v.9.2) bpftool-7.0.0-284.166.1.el9_2, kernel-5.14.0-284.166.1.el9_2, kernel-64k-5.14.0-284.166.1.el9_2 +29
  • RHSA-2026:9643 Released 2026-04-22 · Red Hat rating Moderate
    kernel security update
    • Red Hat Enterprise Linux BaseOS AUS (v.8.4) bpftool-4.18.0-305.189.1.el8_4, kernel-4.18.0-305.189.1.el8_4, kernel-abi-stablelists-4.18.0-305.189.1.el8_4 +14
    • Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4) bpftool-4.18.0-305.189.1.el8_4, kernel-4.18.0-305.189.1.el8_4, kernel-abi-stablelists-4.18.0-305.189.1.el8_4 +14
  • RHSA-2026:9514 Released 2026-04-22 · Red Hat rating Moderate
    kernel security update
    • Red Hat Enterprise Linux BaseOS AUS (v.8.6) bpftool-4.18.0-372.188.1.el8_6, kernel-4.18.0-372.188.1.el8_6, kernel-abi-stablelists-4.18.0-372.188.1.el8_6 +14
    • Red Hat Enterprise Linux BaseOS E4S (v.8.6) bpftool-4.18.0-372.188.1.el8_6, kernel-4.18.0-372.188.1.el8_6, kernel-abi-stablelists-4.18.0-372.188.1.el8_6 +19
    • Red Hat Enterprise Linux BaseOS TUS (v.8.6) bpftool-4.18.0-372.188.1.el8_6, kernel-4.18.0-372.188.1.el8_6, kernel-abi-stablelists-4.18.0-372.188.1.el8_6 +14
  • RHSA-2026:9515 Released 2026-04-22 · Red Hat rating Moderate
    kernel security update
    • Red Hat Enterprise Linux BaseOS E4S (v.8.8) bpftool-4.18.0-477.136.1.el8_8, kernel-4.18.0-477.136.1.el8_8, kernel-abi-stablelists-4.18.0-477.136.1.el8_8 +14
    • Red Hat Enterprise Linux BaseOS TUS (v.8.8) bpftool-4.18.0-477.136.1.el8_8, kernel-4.18.0-477.136.1.el8_8, kernel-abi-stablelists-4.18.0-477.136.1.el8_8 +14
  • RHSA-2026:9512 Released 2026-04-22 · Red Hat rating Moderate
    kernel-rt security update
    • Red Hat Enterprise Linux Real Time E4S (v.9.2) kernel-rt-5.14.0-284.166.1.rt14.451.el9_2, kernel-rt-core-5.14.0-284.166.1.rt14.451.el9_2, kernel-rt-debug-5.14.0-284.166.1.rt14.451.el9_2 +9
    • Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2) kernel-rt-5.14.0-284.166.1.rt14.451.el9_2, kernel-rt-core-5.14.0-284.166.1.rt14.451.el9_2, kernel-rt-debug-5.14.0-284.166.1.rt14.451.el9_2 +11
  • RHSA-2026:9513 Released 2026-04-22 · Red Hat rating Moderate
    kernel security update
    • Red Hat Enterprise Linux BaseOS AUS (v. 8.2) bpftool-4.18.0-193.195.1.el8_2, kernel-4.18.0-193.195.1.el8_2, kernel-abi-whitelists-4.18.0-193.195.1.el8_2 +14
  • RHSA-2026:9112 Released 2026-04-20 · Red Hat rating Moderate
    kernel security update
    • Red Hat CodeReady Linux Builder EUS (v.9.6) kernel-tools-libs-devel-5.14.0-570.108.1.el9_6, libperf-5.14.0-570.108.1.el9_6
    • Red Hat Enterprise Linux AppStream EUS (v.9.6) kernel-64k-debug-devel-5.14.0-570.108.1.el9_6, kernel-64k-debug-devel-matched-5.14.0-570.108.1.el9_6, kernel-64k-devel-5.14.0-570.108.1.el9_6 +12
    • Red Hat Enterprise Linux BaseOS EUS (v.9.6) kernel-5.14.0-570.108.1.el9_6, kernel-64k-5.14.0-570.108.1.el9_6, kernel-64k-core-5.14.0-570.108.1.el9_6 +28
    • Red Hat Enterprise Linux Real Time EUS (v.9.6) kernel-rt-5.14.0-570.108.1.el9_6, kernel-rt-64k-5.14.0-570.108.1.el9_6, kernel-rt-64k-core-5.14.0-570.108.1.el9_6 +21
    • Red Hat Enterprise Linux Real Time for NFV EUS (v.9.6) kernel-rt-5.14.0-570.108.1.el9_6, kernel-rt-core-5.14.0-570.108.1.el9_6, kernel-rt-debug-5.14.0-570.108.1.el9_6 +11
  • RHSA-2026:8342 Released 2026-04-15 · Red Hat rating Moderate
    kernel security update
    • Red Hat Enterprise Linux AppStream EUS (v. 10.0) kernel-64k-debug-devel-6.12.0-55.68.1.el10_0, kernel-64k-debug-devel-matched-6.12.0-55.68.1.el10_0, kernel-64k-devel-6.12.0-55.68.1.el10_0 +12
    • Red Hat Enterprise Linux BaseOS EUS (v. 10.0) kernel-6.12.0-55.68.1.el10_0, kernel-64k-6.12.0-55.68.1.el10_0, kernel-64k-core-6.12.0-55.68.1.el10_0 +28
    • Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) kernel-tools-libs-devel-6.12.0-55.68.1.el10_0, libperf-6.12.0-55.68.1.el10_0
    • Red Hat Enterprise Linux Real Time EUS (v. 10.0) kernel-rt-6.12.0-55.68.1.el10_0, kernel-rt-64k-6.12.0-55.68.1.el10_0, kernel-rt-64k-core-6.12.0-55.68.1.el10_0 +21
    • Red Hat Enterprise Linux Real Time for NFV EUS (v. 10.0) kernel-rt-6.12.0-55.68.1.el10_0, kernel-rt-core-6.12.0-55.68.1.el10_0, kernel-rt-debug-6.12.0-55.68.1.el10_0 +11
  • RHSA-2026:6632 Released 2026-04-06 · Red Hat rating Moderate
    kernel security update
    • Red Hat Enterprise Linux AppStream (v. 10) kernel-64k-debug-devel-6.12.0-124.49.1.el10_1, kernel-64k-debug-devel-matched-6.12.0-124.49.1.el10_1, kernel-64k-devel-6.12.0-124.49.1.el10_1 +12
    • Red Hat Enterprise Linux BaseOS (v. 10) kernel-6.12.0-124.49.1.el10_1, kernel-64k-6.12.0-124.49.1.el10_1, kernel-64k-core-6.12.0-124.49.1.el10_1 +29
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) kernel-tools-libs-devel-6.12.0-124.49.1.el10_1, libperf-6.12.0-124.49.1.el10_1
    • Red Hat Enterprise Linux Real Time (v. 10) kernel-rt-6.12.0-124.49.1.el10_1, kernel-rt-64k-6.12.0-124.49.1.el10_1, kernel-rt-64k-core-6.12.0-124.49.1.el10_1 +21
    • Red Hat Enterprise Linux Real Time for NFV (v. 10) kernel-rt-6.12.0-124.49.1.el10_1, kernel-rt-core-6.12.0-124.49.1.el10_1, kernel-rt-debug-6.12.0-124.49.1.el10_1 +9
  • RHSA-2026:6153 Released 2026-03-30 · Red Hat rating Moderate
    kernel security update
    • Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-611.45.1.el9_7, kernel-64k-debug-devel-matched-5.14.0-611.45.1.el9_7, kernel-64k-devel-5.14.0-611.45.1.el9_7 +12
    • Red Hat Enterprise Linux BaseOS (v. 9) kernel-5.14.0-611.45.1.el9_7, kernel-64k-5.14.0-611.45.1.el9_7, kernel-64k-core-5.14.0-611.45.1.el9_7 +28
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) kernel-tools-libs-devel-5.14.0-611.45.1.el9_7, libperf-5.14.0-611.45.1.el9_7
    • Red Hat Enterprise Linux Real Time (v. 9) kernel-rt-5.14.0-611.45.1.el9_7, kernel-rt-64k-5.14.0-611.45.1.el9_7, kernel-rt-64k-core-5.14.0-611.45.1.el9_7 +21
    • Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt-5.14.0-611.45.1.el9_7, kernel-rt-core-5.14.0-611.45.1.el9_7, kernel-rt-debug-5.14.0-611.45.1.el9_7 +9
  • RHSA-2026:6037 Released 2026-03-30 · Red Hat rating Moderate
    kernel security update
    • Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-553.115.1.el8_10, kernel-4.18.0-553.115.1.el8_10, kernel-abi-stablelists-4.18.0-553.115.1.el8_10 +19
    • Red Hat Enterprise Linux CRB (v. 8) kernel-tools-libs-devel-4.18.0-553.115.1.el8_10
  • RHSA-2026:6036 Released 2026-03-30 · Red Hat rating Moderate
    kernel-rt security update
    • Red Hat Enterprise Linux NFV (v. 8) kernel-rt-4.18.0-553.115.1.rt7.456.el8_10, kernel-rt-core-4.18.0-553.115.1.rt7.456.el8_10, kernel-rt-debug-4.18.0-553.115.1.rt7.456.el8_10 +9
    • Red Hat Enterprise Linux RT (v. 8) kernel-rt-4.18.0-553.115.1.rt7.456.el8_10, kernel-rt-core-4.18.0-553.115.1.rt7.456.el8_10, kernel-rt-debug-4.18.0-553.115.1.rt7.456.el8_10 +7

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 9AffectedNo fix yet
Red Hat CodeReady Linux Builder EUS (v.9.4)Fixed RHSA-2026:10108
Red Hat CodeReady Linux Builder EUS (v.9.6)Fixed RHSA-2026:9112
Red Hat Enterprise Linux AppStream (v. 10)Fixed RHSA-2026:6632
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2026:19568, RHSA-2026:6153
Red Hat Enterprise Linux AppStream E4S (v.9.0)Fixed RHSA-2026:9836
Red Hat Enterprise Linux AppStream E4S (v.9.2)Fixed RHSA-2026:9644
Red Hat Enterprise Linux AppStream EUS (v. 10.0)Fixed RHSA-2026:8342
Red Hat Enterprise Linux AppStream EUS (v.9.4)Fixed RHSA-2026:10108
Red Hat Enterprise Linux AppStream EUS (v.9.6)Fixed RHSA-2026:9112
Red Hat Enterprise Linux BaseOS (v. 10)Fixed RHSA-2026:6632
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2026:6037
Red Hat Enterprise Linux BaseOS (v. 9)Fixed RHSA-2026:19568, RHSA-2026:6153
Red Hat Enterprise Linux BaseOS AUS (v. 8.2)Fixed RHSA-2026:9513
Red Hat Enterprise Linux BaseOS AUS (v.8.4)Fixed RHSA-2026:9643
Red Hat Enterprise Linux BaseOS AUS (v.8.6)Fixed RHSA-2026:9514
Red Hat Enterprise Linux BaseOS E4S (v.8.6)Fixed RHSA-2026:9514
Red Hat Enterprise Linux BaseOS E4S (v.8.8)Fixed RHSA-2026:9515
Red Hat Enterprise Linux BaseOS E4S (v.9.0)Fixed RHSA-2026:9836
Red Hat Enterprise Linux BaseOS E4S (v.9.2)Fixed RHSA-2026:9644
Red Hat Enterprise Linux BaseOS EUS (v. 10.0)Fixed RHSA-2026:8342
Red Hat Enterprise Linux BaseOS EUS (v.9.4)Fixed RHSA-2026:10108
Red Hat Enterprise Linux BaseOS EUS (v.9.6)Fixed RHSA-2026:9112
Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4)Fixed RHSA-2026:9643
Red Hat Enterprise Linux BaseOS TUS (v.8.6)Fixed RHSA-2026:9514
Red Hat Enterprise Linux BaseOS TUS (v.8.8)Fixed RHSA-2026:9515
Red Hat Enterprise Linux CRB (v. 8)Fixed RHSA-2026:6037
Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)Fixed RHSA-2026:6632
Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)Fixed RHSA-2026:19568, RHSA-2026:6153
Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)Fixed RHSA-2026:8342
Red Hat Enterprise Linux NFV (v. 8)Fixed RHSA-2026:6036
Red Hat Enterprise Linux NFV E4S (v.9.0)Fixed RHSA-2026:9835
Red Hat Enterprise Linux RT (v. 8)Fixed RHSA-2026:6036
Red Hat Enterprise Linux Real Time (v. 10)Fixed RHSA-2026:6632
Red Hat Enterprise Linux Real Time (v. 9)Fixed RHSA-2026:19568, RHSA-2026:6153
Red Hat Enterprise Linux Real Time E4S (v.9.0)Fixed RHSA-2026:9835
Red Hat Enterprise Linux Real Time E4S (v.9.2)Fixed RHSA-2026:9512
Red Hat Enterprise Linux Real Time EUS (v. 10.0)Fixed RHSA-2026:8342
Red Hat Enterprise Linux Real Time EUS (v.9.4)Fixed RHSA-2026:10108
Red Hat Enterprise Linux Real Time EUS (v.9.6)Fixed RHSA-2026:9112
Red Hat Enterprise Linux Real Time for NFV (v. 10)Fixed RHSA-2026:6632
Red Hat Enterprise Linux Real Time for NFV (v. 9)Fixed RHSA-2026:19568, RHSA-2026:6153
Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2)Fixed RHSA-2026:9512
Red Hat Enterprise Linux Real Time for NFV EUS (v. 10.0)Fixed RHSA-2026:8342
Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4)Fixed RHSA-2026:10108
Red Hat Enterprise Linux Real Time for NFV EUS (v.9.6)Fixed RHSA-2026:9112
Red Hat Enterprise Linux Server (v. 7 ELS)Fixed RHSA-2026:9870
Red Hat Enterprise Linux Server Optional (v. 7 ELS)Fixed RHSA-2026:9870
Red Hat Enterprise Linux for Real Time (v. 7 ELS)Fixed RHSA-2026:10756
Not affected: 1 product
  • Red Hat Enterprise Linux 6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-23204
  2. 2026-10-03 Alias added: GHSA-rf63-9f5h-hhg6
  3. 2026-10-19 Weakness changed · CISA ADP

References

Patch 4

Other 3

  • 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-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
  • TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
See all 15278 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences