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TI-2026-31257 Aliases CVE-2026-43077GHSA-6m8x-q95v-ph67

crypto: algif_aead - Fix minimum RX size check for decryption

Priority LOW 24Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 44 fixed, 1 without a fix

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

Summary

In the Linux kernel, the following vulnerability has been resolved: crypto: algif_aead - Fix minimum RX size check for decryption The check for the minimum receive buffer size did not take the tag size into account during decryption. Fix this by adding the required extra length.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00123 2nd percentileScored 2026-11-07
Fix Partial Linux (Linux): 5.10.254, 5.15.204, 6.1.170 +5Red Hat: 14 advisoriesRed Hat: 44 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
LinuxLinux4.14 and later5.10.254, 5.15.204, 6.1.170, 6.6.136, 6.12.83, 6.18.24, 6.19.14, 7.0Patch availableCNA
  • Linux VendorLinux Affected 4.14 and later Fixed in 5.10.254, 5.15.204, 6.1.170, 6.6.136, 6.12.83, 6.18.24, 6.19.14, 7.0 Patch available CNA

CPE configurations NVD · 9

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*4.14.1 to before 5.10.254; 5.11 to before 5.15.204; 5.16 to before 6.1.170; 6.2 to before 6.6.136; 6.7 to before 6.12.83; 6.13 to before 6.18.24; 6.19 to before 6.19.14VulnerableLinux
cpe:2.3:o:linux:linux_kernel:4.14:-:*:*:*:*:*:*4.14VulnerableLinux
cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*7.0 rc1VulnerableLinux
cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*7.0 rc2VulnerableLinux
cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*7.0 rc3VulnerableLinux
cpe:2.3:o:linux:linux_kernel:7.0:rc4:*:*:*:*:*:*7.0 rc4VulnerableLinux
cpe:2.3:o:linux:linux_kernel:7.0:rc5:*:*:*:*:*:*7.0 rc5VulnerableLinux
cpe:2.3:o:linux:linux_kernel:7.0:rc6:*:*:*:*:*:*7.0 rc6VulnerableLinux
cpe:2.3:o:linux:linux_kernel:7.0:rc7:*:*:*:*:*:*7.0 rc7VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 4.14.1 to before 5.10.254; 5.11 to before 5.15.204; 5.16 to before 6.1.170; 6.2 to before 6.6.136; 6.7 to before 6.12.83; 6.13 to before 6.18.24; 6.19 to before 6.19.14 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:4.14:-:*:*:*:*:*:* Versions 4.14 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:* Versions 7.0 rc1 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:* Versions 7.0 rc2 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:* Versions 7.0 rc3 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:7.0:rc4:*:*:*:*:*:* Versions 7.0 rc4 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:7.0:rc5:*:*:*:*:*:* Versions 7.0 rc5 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:7.0:rc6:*:*:*:*:*:* Versions 7.0 rc6 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:7.0:rc7:*:*:*:*:*:* Versions 7.0 rc7 Vulnerable ·Linux

Remediation

  • Fix · CNA Linux (Linux) Fixed in 5.10.254, 5.15.204, 6.1.170, 6.6.136, 6.12.83, 6.18.24, 6.19.14, 7.0

Red Hat 14 advisories

  • RHSA-2026:14339 Released 2026-05-06 · Red Hat rating Important
    kernel security update
    • Red Hat CodeReady Linux Builder EUS (v.9.6) kernel-tools-libs-devel-5.14.0-570.112.1.el9_6, libperf-5.14.0-570.112.1.el9_6
    • Red Hat Enterprise Linux AppStream EUS (v.9.6) kernel-64k-debug-devel-5.14.0-570.112.1.el9_6, kernel-64k-debug-devel-matched-5.14.0-570.112.1.el9_6, kernel-64k-devel-5.14.0-570.112.1.el9_6 +12
    • Red Hat Enterprise Linux BaseOS EUS (v.9.6) kernel-5.14.0-570.112.1.el9_6, kernel-64k-5.14.0-570.112.1.el9_6, kernel-64k-core-5.14.0-570.112.1.el9_6 +28
    • Red Hat Enterprise Linux Real Time EUS (v.9.6) kernel-rt-5.14.0-570.112.1.el9_6, kernel-rt-64k-5.14.0-570.112.1.el9_6, kernel-rt-64k-core-5.14.0-570.112.1.el9_6 +21
    • Red Hat Enterprise Linux Real Time for NFV EUS (v.9.6) kernel-rt-5.14.0-570.112.1.el9_6, kernel-rt-core-5.14.0-570.112.1.el9_6, kernel-rt-debug-5.14.0-570.112.1.el9_6 +11
  • RHSA-2026:14301 Released 2026-05-06 · Red Hat rating Important
    kernel-rt security update
    • Red Hat Enterprise Linux Real Time E4S (v.9.2) kernel-rt-5.14.0-284.169.1.rt14.454.el9_2, kernel-rt-core-5.14.0-284.169.1.rt14.454.el9_2, kernel-rt-debug-5.14.0-284.169.1.rt14.454.el9_2 +9
    • Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2) kernel-rt-5.14.0-284.169.1.rt14.454.el9_2, kernel-rt-core-5.14.0-284.169.1.rt14.454.el9_2, kernel-rt-debug-5.14.0-284.169.1.rt14.454.el9_2 +11
  • RHSA-2026:14230 Released 2026-05-06 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux BaseOS AUS (v.8.6) bpftool-4.18.0-372.191.1.el8_6, kernel-4.18.0-372.191.1.el8_6, kernel-abi-stablelists-4.18.0-372.191.1.el8_6 +14
    • Red Hat Enterprise Linux BaseOS E4S (v.8.6) bpftool-4.18.0-372.191.1.el8_6, kernel-4.18.0-372.191.1.el8_6, kernel-abi-stablelists-4.18.0-372.191.1.el8_6 +19
    • Red Hat Enterprise Linux BaseOS TUS (v.8.6) bpftool-4.18.0-372.191.1.el8_6, kernel-4.18.0-372.191.1.el8_6, kernel-abi-stablelists-4.18.0-372.191.1.el8_6 +14
Show 11 more Red Hat advisories
  • RHSA-2026:14165 Released 2026-05-06 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux BaseOS AUS (v.8.4) bpftool-4.18.0-305.190.1.el8_4, kernel-4.18.0-305.190.1.el8_4, kernel-abi-stablelists-4.18.0-305.190.1.el8_4 +14
    • Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4) bpftool-4.18.0-305.190.1.el8_4, kernel-4.18.0-305.190.1.el8_4, kernel-abi-stablelists-4.18.0-305.190.1.el8_4 +14
  • RHSA-2026:14137 Released 2026-05-06 · Red Hat rating Important
    kernel-rt security update
    • Red Hat Enterprise Linux NFV E4S (v.9.0) kernel-rt-5.14.0-70.178.1.rt21.250.el9_0, kernel-rt-core-5.14.0-70.178.1.rt21.250.el9_0, kernel-rt-debug-5.14.0-70.178.1.rt21.250.el9_0 +9
    • Red Hat Enterprise Linux Real Time E4S (v.9.0) kernel-rt-5.14.0-70.178.1.rt21.250.el9_0, kernel-rt-core-5.14.0-70.178.1.rt21.250.el9_0, kernel-rt-debug-5.14.0-70.178.1.rt21.250.el9_0 +7
  • RHSA-2026:13932 Released 2026-05-06 · Red Hat rating Important
    kernel security update
    • Red Hat CodeReady Linux Builder EUS (v.9.4) kernel-tools-libs-devel-5.14.0-427.124.1.el9_4, libperf-5.14.0-427.124.1.el9_4
    • Red Hat Enterprise Linux AppStream EUS (v.9.4) kernel-64k-debug-devel-5.14.0-427.124.1.el9_4, kernel-64k-debug-devel-matched-5.14.0-427.124.1.el9_4, kernel-64k-devel-5.14.0-427.124.1.el9_4 +11
    • Red Hat Enterprise Linux BaseOS EUS (v.9.4) bpftool-7.3.0-427.124.1.el9_4, kernel-5.14.0-427.124.1.el9_4, kernel-64k-5.14.0-427.124.1.el9_4 +29
    • Red Hat Enterprise Linux Real Time EUS (v.9.4) kernel-rt-5.14.0-427.124.1.el9_4, kernel-rt-core-5.14.0-427.124.1.el9_4, kernel-rt-debug-5.14.0-427.124.1.el9_4 +9
    • Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4) kernel-rt-5.14.0-427.124.1.el9_4, kernel-rt-core-5.14.0-427.124.1.el9_4, kernel-rt-debug-5.14.0-427.124.1.el9_4 +11
  • RHSA-2026:13936 Released 2026-05-06 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.0) kernel-debug-devel-5.14.0-70.178.1.el9_0, kernel-debug-devel-matched-5.14.0-70.178.1.el9_0, kernel-devel-5.14.0-70.178.1.el9_0 +5
    • Red Hat Enterprise Linux BaseOS E4S (v.9.0) bpftool-5.14.0-70.178.1.el9_0, kernel-5.14.0-70.178.1.el9_0, kernel-abi-stablelists-5.14.0-70.178.1.el9_0 +14
  • RHSA-2026:13887 Released 2026-05-05 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux AppStream EUS (v. 10.0) kernel-64k-debug-devel-6.12.0-55.71.1.el10_0, kernel-64k-debug-devel-matched-6.12.0-55.71.1.el10_0, kernel-64k-devel-6.12.0-55.71.1.el10_0 +12
    • Red Hat Enterprise Linux BaseOS EUS (v. 10.0) kernel-6.12.0-55.71.1.el10_0, kernel-64k-6.12.0-55.71.1.el10_0, kernel-64k-core-6.12.0-55.71.1.el10_0 +28
    • Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) kernel-tools-libs-devel-6.12.0-55.71.1.el10_0, libperf-6.12.0-55.71.1.el10_0
    • Red Hat Enterprise Linux Real Time EUS (v. 10.0) kernel-rt-6.12.0-55.71.1.el10_0, kernel-rt-64k-6.12.0-55.71.1.el10_0, kernel-rt-64k-core-6.12.0-55.71.1.el10_0 +21
    • Red Hat Enterprise Linux Real Time for NFV EUS (v. 10.0) kernel-rt-6.12.0-55.71.1.el10_0, kernel-rt-core-6.12.0-55.71.1.el10_0, kernel-rt-debug-6.12.0-55.71.1.el10_0 +11
  • RHSA-2026:13734 Released 2026-05-05 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.2) kernel-64k-debug-devel-5.14.0-284.169.1.el9_2, kernel-64k-debug-devel-matched-5.14.0-284.169.1.el9_2, kernel-64k-devel-5.14.0-284.169.1.el9_2 +10
    • Red Hat Enterprise Linux BaseOS E4S (v.9.2) bpftool-7.0.0-284.169.1.el9_2, kernel-5.14.0-284.169.1.el9_2, kernel-64k-5.14.0-284.169.1.el9_2 +29
  • RHSA-2026:13681 Released 2026-05-05 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux BaseOS E4S (v.8.8) bpftool-4.18.0-477.139.1.el8_8, kernel-4.18.0-477.139.1.el8_8, kernel-abi-stablelists-4.18.0-477.139.1.el8_8 +14
    • Red Hat Enterprise Linux BaseOS TUS (v.8.8) bpftool-4.18.0-477.139.1.el8_8, kernel-4.18.0-477.139.1.el8_8, kernel-abi-stablelists-4.18.0-477.139.1.el8_8 +14
  • RHSA-2026:13577 Released 2026-05-05 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-553.123.1.el8_10, kernel-4.18.0-553.123.1.el8_10, kernel-abi-stablelists-4.18.0-553.123.1.el8_10 +19
    • Red Hat Enterprise Linux CRB (v. 8) kernel-tools-libs-devel-4.18.0-553.123.1.el8_10
  • RHSA-2026:13578 Released 2026-05-05 · Red Hat rating Important
    kernel-rt security update
    • Red Hat Enterprise Linux NFV (v. 8) kernel-rt-4.18.0-553.123.1.rt7.464.el8_10, kernel-rt-core-4.18.0-553.123.1.rt7.464.el8_10, kernel-rt-debug-4.18.0-553.123.1.rt7.464.el8_10 +9
    • Red Hat Enterprise Linux RT (v. 8) kernel-rt-4.18.0-553.123.1.rt7.464.el8_10, kernel-rt-core-4.18.0-553.123.1.rt7.464.el8_10, kernel-rt-debug-4.18.0-553.123.1.rt7.464.el8_10 +7
  • RHSA-2026:13566 Released 2026-05-04 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux AppStream (v. 10) kernel-64k-debug-devel-6.12.0-124.55.1.el10_1, kernel-64k-debug-devel-matched-6.12.0-124.55.1.el10_1, kernel-64k-devel-6.12.0-124.55.1.el10_1 +12
    • Red Hat Enterprise Linux BaseOS (v. 10) kernel-6.12.0-124.55.1.el10_1, kernel-64k-6.12.0-124.55.1.el10_1, kernel-64k-core-6.12.0-124.55.1.el10_1 +29
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) kernel-tools-libs-devel-6.12.0-124.55.1.el10_1, libperf-6.12.0-124.55.1.el10_1
    • Red Hat Enterprise Linux Real Time (v. 10) kernel-rt-6.12.0-124.55.1.el10_1, kernel-rt-64k-6.12.0-124.55.1.el10_1, kernel-rt-64k-core-6.12.0-124.55.1.el10_1 +21
    • Red Hat Enterprise Linux Real Time for NFV (v. 10) kernel-rt-6.12.0-124.55.1.el10_1, kernel-rt-core-6.12.0-124.55.1.el10_1, kernel-rt-debug-6.12.0-124.55.1.el10_1 +9
  • RHSA-2026:13565 Released 2026-05-04 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-611.54.1.el9_7, kernel-64k-debug-devel-matched-5.14.0-611.54.1.el9_7, kernel-64k-devel-5.14.0-611.54.1.el9_7 +12
    • Red Hat Enterprise Linux BaseOS (v. 9) kernel-5.14.0-611.54.1.el9_7, kernel-64k-5.14.0-611.54.1.el9_7, kernel-64k-core-5.14.0-611.54.1.el9_7 +28
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) kernel-tools-libs-devel-5.14.0-611.54.1.el9_7, libperf-5.14.0-611.54.1.el9_7
    • Red Hat Enterprise Linux Real Time (v. 9) kernel-rt-5.14.0-611.54.1.el9_7, kernel-rt-64k-5.14.0-611.54.1.el9_7, kernel-rt-64k-core-5.14.0-611.54.1.el9_7 +21
    • Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt-5.14.0-611.54.1.el9_7, kernel-rt-core-5.14.0-611.54.1.el9_7, kernel-rt-debug-5.14.0-611.54.1.el9_7 +9

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-2026:13932
Red Hat CodeReady Linux Builder EUS (v.9.6)Fixed RHSA-2026:14339
Red Hat Enterprise Linux AppStream (v. 10)Fixed RHSA-2026:13566
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2026:13565
Red Hat Enterprise Linux AppStream E4S (v.9.0)Fixed RHSA-2026:13936
Red Hat Enterprise Linux AppStream E4S (v.9.2)Fixed RHSA-2026:13734
Red Hat Enterprise Linux AppStream EUS (v. 10.0)Fixed RHSA-2026:13887
Red Hat Enterprise Linux AppStream EUS (v.9.4)Fixed RHSA-2026:13932
Red Hat Enterprise Linux AppStream EUS (v.9.6)Fixed RHSA-2026:14339
Red Hat Enterprise Linux BaseOS (v. 10)Fixed RHSA-2026:13566
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2026:13577
Red Hat Enterprise Linux BaseOS (v. 9)Fixed RHSA-2026:13565
Red Hat Enterprise Linux BaseOS AUS (v.8.4)Fixed RHSA-2026:14165
Red Hat Enterprise Linux BaseOS AUS (v.8.6)Fixed RHSA-2026:14230
Red Hat Enterprise Linux BaseOS E4S (v.8.6)Fixed RHSA-2026:14230
Red Hat Enterprise Linux BaseOS E4S (v.8.8)Fixed RHSA-2026:13681
Red Hat Enterprise Linux BaseOS E4S (v.9.0)Fixed RHSA-2026:13936
Red Hat Enterprise Linux BaseOS E4S (v.9.2)Fixed RHSA-2026:13734
Red Hat Enterprise Linux BaseOS EUS (v. 10.0)Fixed RHSA-2026:13887
Red Hat Enterprise Linux BaseOS EUS (v.9.4)Fixed RHSA-2026:13932
Red Hat Enterprise Linux BaseOS EUS (v.9.6)Fixed RHSA-2026:14339
Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4)Fixed RHSA-2026:14165
Red Hat Enterprise Linux BaseOS TUS (v.8.6)Fixed RHSA-2026:14230
Red Hat Enterprise Linux BaseOS TUS (v.8.8)Fixed RHSA-2026:13681
Red Hat Enterprise Linux CRB (v. 8)Fixed RHSA-2026:13577
Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)Fixed RHSA-2026:13566
Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)Fixed RHSA-2026:13565
Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)Fixed RHSA-2026:13887
Red Hat Enterprise Linux NFV (v. 8)Fixed RHSA-2026:13578
Red Hat Enterprise Linux NFV E4S (v.9.0)Fixed RHSA-2026:14137
Red Hat Enterprise Linux RT (v. 8)Fixed RHSA-2026:13578
Red Hat Enterprise Linux Real Time (v. 10)Fixed RHSA-2026:13566
Red Hat Enterprise Linux Real Time (v. 9)Fixed RHSA-2026:13565
Red Hat Enterprise Linux Real Time E4S (v.9.0)Fixed RHSA-2026:14137
Red Hat Enterprise Linux Real Time E4S (v.9.2)Fixed RHSA-2026:14301
Red Hat Enterprise Linux Real Time EUS (v. 10.0)Fixed RHSA-2026:13887
Red Hat Enterprise Linux Real Time EUS (v.9.4)Fixed RHSA-2026:13932
Red Hat Enterprise Linux Real Time EUS (v.9.6)Fixed RHSA-2026:14339
Red Hat Enterprise Linux Real Time for NFV (v. 10)Fixed RHSA-2026:13566
Red Hat Enterprise Linux Real Time for NFV (v. 9)Fixed RHSA-2026:13565
Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2)Fixed RHSA-2026:14301
Red Hat Enterprise Linux Real Time for NFV EUS (v. 10.0)Fixed RHSA-2026:13887
Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4)Fixed RHSA-2026:13932
Red Hat Enterprise Linux Real Time for NFV EUS (v.9.6)Fixed RHSA-2026:14339
Not affected: 2 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-43077
  2. 2026-10-03 Alias added: GHSA-6m8x-q95v-ph67
  3. 2026-11-06 CISA SSVC decision points changed

References

Patch 8

  • 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