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TI-2024-17552 Aliases CVE-2024-26673GHSA-v854-7g2j-4x32

netfilter: nft_ct: sanitize layer 3 and 4 protocol number in custom expectations

Priority LOW 31Published · 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: 14 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: netfilter: nft_ct: sanitize layer 3 and 4 protocol number in custom expectations - Disallow families other than NFPROTO_{IPV4,IPV6,INET}. - Disallow layer 4 protocol with no ports, since destination port is a mandatory attribute for this object.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00237 14th percentileScored 2026-11-07
Fix Partial Linux (Linux): 5.4.269, 5.10.210, 5.15.149 +4Red Hat: 5 advisoriesRed Hat: 14 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
LinuxLinux5.3 and later5.4.269, 5.10.210, 5.15.149, 6.1.77, 6.6.16, 6.7.4, 6.8Patch availableCNA
  • Linux VendorLinux Affected 5.3 and later Fixed in 5.4.269, 5.10.210, 5.15.149, 6.1.77, 6.6.16, 6.7.4, 6.8 Patch available CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*5.3 to before 5.4.269; 5.5 to before 5.10.210; 5.11 to before 5.15.149; 5.16 to before 6.1.77; 6.2 to before 6.6.16; 6.7 to before 6.7.4VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.8:rc1:*:*:*:*:*:*6.8 rc1VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.8:rc2:*:*:*:*:*:*6.8 rc2VulnerableLinux
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*10.0VulnerableDebian
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 5.3 to before 5.4.269; 5.5 to before 5.10.210; 5.11 to before 5.15.149; 5.16 to before 6.1.77; 6.2 to before 6.6.16; 6.7 to before 6.7.4 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.8:rc1:*:*:*:*:*:* Versions 6.8 rc1 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.8:rc2:*:*:*:*:*:* Versions 6.8 rc2 Vulnerable ·Linux
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian

Remediation

  • Fix · CNA Linux (Linux) Fixed in 5.4.269, 5.10.210, 5.15.149, 6.1.77, 6.6.16, 6.7.4, 6.8

Red Hat 5 advisories

  • RHSA-2024:4415 Released 2024-07-09 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux AppStream E4S (v.9.0) kernel-debug-devel-5.14.0-70.105.1.el9_0, kernel-debug-devel-matched-5.14.0-70.105.1.el9_0, kernel-devel-5.14.0-70.105.1.el9_0 +5
    • Red Hat Enterprise Linux BaseOS E4S (v.9.0) bpftool-5.14.0-70.105.1.el9_0, kernel-5.14.0-70.105.1.el9_0, kernel-abi-stablelists-5.14.0-70.105.1.el9_0 +14
  • RHSA-2024:4412 Released 2024-07-09 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux NFV E4S (v.9.0) kernel-rt-5.14.0-70.105.1.rt21.177.el9_0, kernel-rt-core-5.14.0-70.105.1.rt21.177.el9_0, kernel-rt-debug-5.14.0-70.105.1.rt21.177.el9_0 +9
    • Red Hat Enterprise Linux Real Time E4S (v.9.0) kernel-rt-5.14.0-70.105.1.rt21.177.el9_0, kernel-rt-core-5.14.0-70.105.1.rt21.177.el9_0, kernel-rt-debug-5.14.0-70.105.1.rt21.177.el9_0 +7
  • RHSA-2024:3461 Released 2024-05-29 · Red Hat rating Moderate
    kernel security and bug fix update
    • Red Hat CodeReady Linux Builder EUS (v.9.2) kernel-tools-libs-devel-5.14.0-284.67.1.el9_2
    • Red Hat Enterprise Linux AppStream EUS (v.9.2) kernel-64k-debug-devel-5.14.0-284.67.1.el9_2, kernel-64k-debug-devel-matched-5.14.0-284.67.1.el9_2, kernel-64k-devel-5.14.0-284.67.1.el9_2 +9
    • Red Hat Enterprise Linux BaseOS EUS (v.9.2) bpftool-7.0.0-284.67.1.el9_2, kernel-5.14.0-284.67.1.el9_2, kernel-64k-5.14.0-284.67.1.el9_2 +29
Show 2 more Red Hat advisories
  • RHSA-2024:3460 Released 2024-05-29 · Red Hat rating Moderate
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux Real Time EUS (v.9.2) kernel-rt-5.14.0-284.67.1.rt14.352.el9_2, kernel-rt-core-5.14.0-284.67.1.rt14.352.el9_2, kernel-rt-debug-5.14.0-284.67.1.rt14.352.el9_2 +9
    • Red Hat Enterprise Linux Real Time for NFV EUS (v.9.2) kernel-rt-5.14.0-284.67.1.rt14.352.el9_2, kernel-rt-core-5.14.0-284.67.1.rt14.352.el9_2, kernel-rt-debug-5.14.0-284.67.1.rt14.352.el9_2 +11
  • RHSA-2024:3306 Released 2024-05-23 · Red Hat rating Moderate
    kernel security and bug fix update
    • Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-427.18.1.el9_4, kernel-64k-debug-devel-matched-5.14.0-427.18.1.el9_4, kernel-64k-devel-5.14.0-427.18.1.el9_4 +11
    • Red Hat Enterprise Linux BaseOS (v. 9) bpftool-7.3.0-427.18.1.el9_4, kernel-5.14.0-427.18.1.el9_4, kernel-64k-5.14.0-427.18.1.el9_4 +29
    • Red Hat Enterprise Linux CRB (v. 9) kernel-tools-libs-devel-5.14.0-427.18.1.el9_4, libperf-5.14.0-427.18.1.el9_4
    • Red Hat Enterprise Linux NFV (v. 9) kernel-rt-5.14.0-427.18.1.el9_4, kernel-rt-core-5.14.0-427.18.1.el9_4, kernel-rt-debug-5.14.0-427.18.1.el9_4 +11
    • Red Hat Enterprise Linux RT (v. 9) kernel-rt-5.14.0-427.18.1.el9_4, kernel-rt-core-5.14.0-427.18.1.el9_4, kernel-rt-debug-5.14.0-427.18.1.el9_4 +9

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 9AffectedNo fix yet
Red Hat CodeReady Linux Builder EUS (v.9.2)Fixed RHSA-2024:3461
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2024:3306
Red Hat Enterprise Linux AppStream E4S (v.9.0)Fixed RHSA-2024:4415
Red Hat Enterprise Linux AppStream EUS (v.9.2)Fixed RHSA-2024:3461
Red Hat Enterprise Linux BaseOS (v. 9)Fixed RHSA-2024:3306
Red Hat Enterprise Linux BaseOS E4S (v.9.0)Fixed RHSA-2024:4415
Red Hat Enterprise Linux BaseOS EUS (v.9.2)Fixed RHSA-2024:3461
Red Hat Enterprise Linux CRB (v. 9)Fixed RHSA-2024:3306
Red Hat Enterprise Linux NFV (v. 9)Fixed RHSA-2024:3306
Red Hat Enterprise Linux NFV E4S (v.9.0)Fixed RHSA-2024:4412
Red Hat Enterprise Linux RT (v. 9)Fixed RHSA-2024:3306
Red Hat Enterprise Linux Real Time E4S (v.9.0)Fixed RHSA-2024:4412
Red Hat Enterprise Linux Real Time EUS (v.9.2)Fixed RHSA-2024:3460
Red Hat Enterprise Linux Real Time for NFV EUS (v.9.2)Fixed RHSA-2024:3460
Not affected: 4 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux AppStream EUS (v.9.2)

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-26673
  2. 2026-10-03 Alias added: GHSA-v854-7g2j-4x32
  3. 2026-11-06 Affected versions changed · Red Hat

References

Patch 7

  • 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