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TI-2024-17523 Aliases CVE-2024-26643GHSA-ph5r-c8gc-xg6f

netfilter: nf_tables: mark set as dead when unbinding anonymous set with timeout

Priority LOW 33CWE-667Published · 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: 14 fixed, 2 without a fix

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-667 and the CVSS impact.

Summary

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: mark set as dead when unbinding anonymous set with timeout While the rhashtable set gc runs asynchronously, a race allows it to collect elements from anonymous sets with timeouts while it is being released from the commit path. Mingi Cho originally reported this issue in a different path in 6.1.x with a pipapo set with low timeouts which is not possible upstream since 7395dfacfff6 ("netfilter: nf_tables: use timestamp to check for set element timeout"). Fix this by setting on the dead flag for anonymous sets to skip async gc in this case. According to 08e4c8c5919f ("netfilter: nf_tables: mark newset as dead on transaction abort"), Florian plans to accelerate abort path by releasing objects via workqueue, therefore, this sets on the dead flag for abort path too.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00204 10th percentileScored 2026-11-07
Fix Partial Linux (Linux): 5.4.274, 5.10.215, 5.15.154 +5Red Hat: 5 advisoriesRed Hat: 14 fixed, 2 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
LinuxLinux5.4.262 to before 5.4.274; 5.10.198 to before 5.10.215; 5.15.134 to before 5.15.154; 6.1.56 to before 6.1.84; 6.4.11 to before 6.55.4.274, 5.10.215, 5.15.154, 6.1.84, 6.5Patch availableCNA
LinuxLinux6.5 and later5.4.274, 5.10.215, 5.15.154, 6.1.84, 6.6.24, 6.7.12, 6.8Patch availableCNA
  • Linux VendorLinux Affected 5.4.262 to before 5.4.274; 5.10.198 to before 5.10.215; 5.15.134 to before 5.15.154; 6.1.56 to before 6.1.84; 6.4.11 to before 6.5 Fixed in 5.4.274, 5.10.215, 5.15.154, 6.1.84, 6.5 Patch available CNA
  • Linux VendorLinux Affected 6.5 and later Fixed in 5.4.274, 5.10.215, 5.15.154, 6.1.84, 6.6.24, 6.7.12, 6.8 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*before 5.4.274; 5.5 to before 5.10.215; 5.11 to before 5.15.154; 5.16 to before 6.1.84; 6.2 to before 6.6.24; 6.7 to before 6.7.12VulnerableLinux
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*10.0VulnerableDebian
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 5.4.274; 5.5 to before 5.10.215; 5.11 to before 5.15.154; 5.16 to before 6.1.84; 6.2 to before 6.6.24; 6.7 to before 6.7.12 Vulnerable ·Linux
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian

Remediation

  • Fix · CNA Linux (Linux) Fixed in 5.4.274, 5.10.215, 5.15.154, 6.1.84, 6.5
  • Fix · CNA Linux (Linux) Fixed in 5.4.274, 5.10.215, 5.15.154, 6.1.84, 6.6.24, 6.7.12, 6.8

Red Hat 5 advisories

  • RHSA-2024:3627 Released 2024-06-05 · Red Hat rating Moderate
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux NFV (v. 8) kernel-rt-4.18.0-553.5.1.rt7.346.el8_10, kernel-rt-core-4.18.0-553.5.1.rt7.346.el8_10, kernel-rt-debug-4.18.0-553.5.1.rt7.346.el8_10 +9
    • Red Hat Enterprise Linux RT (v. 8) kernel-rt-4.18.0-553.5.1.rt7.346.el8_10, kernel-rt-core-4.18.0-553.5.1.rt7.346.el8_10, kernel-rt-debug-4.18.0-553.5.1.rt7.346.el8_10 +7
  • RHSA-2024:3618 Released 2024-06-05 · Red Hat rating Moderate
    kernel update
    • Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-553.5.1.el8_10, kernel-4.18.0-553.5.1.el8_10, kernel-abi-stablelists-4.18.0-553.5.1.el8_10 +19
    • Red Hat Enterprise Linux CRB (v. 8) kernel-tools-libs-devel-4.18.0-553.5.1.el8_10
  • 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: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 7AffectedNo fix planned: Out of support scope
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 EUS (v.9.2)Fixed RHSA-2024:3461
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2024:3618
Red Hat Enterprise Linux BaseOS (v. 9)Fixed RHSA-2024:3306
Red Hat Enterprise Linux BaseOS EUS (v.9.2)Fixed RHSA-2024:3461
Red Hat Enterprise Linux CRB (v. 8)Fixed RHSA-2024:3618
Red Hat Enterprise Linux CRB (v. 9)Fixed RHSA-2024:3306
Red Hat Enterprise Linux NFV (v. 8)Fixed RHSA-2024:3627
Red Hat Enterprise Linux NFV (v. 9)Fixed RHSA-2024:3306
Red Hat Enterprise Linux RT (v. 8)Fixed RHSA-2024:3627
Red Hat Enterprise Linux RT (v. 9)Fixed RHSA-2024:3306
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: 2 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux AppStream EUS (v.9.2)

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-26643
  2. 2026-10-03 Alias added: GHSA-ph5r-c8gc-xg6f

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-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