netfilter: nf_tables: join hook list via splice_list_rcu() in commit phase
Priority LOW 30CWE-362Published · 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: 2 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: netfilter: nf_tables: join hook list via splice_list_rcu() in commit phase Publish new hooks in the list into the basechain/flowtable using splice_list_rcu() to ensure netlink dump list traversal via rcu is safe while concurrent ruleset update is going on.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00102 0th percentileScored 2026-11-07
Fix Partial Linux (Linux): 5.10.271, 5.15.222, 6.1.189 +5Red Hat: 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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 5.8 and later | 5.10.271, 5.15.222, 6.1.189, 6.6.158, 6.12.112, 6.18.55, 7.0.10, 7.1 | Patch available | CNA |
- Linux VendorLinux Affected 5.8 and later Fixed in 5.10.271, 5.15.222, 6.1.189, 6.6.158, 6.12.112, 6.18.55, 7.0.10, 7.1 Patch available CNA
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.10.271, 5.15.222, 6.1.189, 6.6.158, 6.12.112, 6.18.55, 7.0.10, 7.1
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 10 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 9 | Affected | No fix yet: Fix deferred |
Not affected: 3 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
Timeline
- 2026-10-02 Threatist record created from CVE-2026-52988
- 2026-10-03 Alias added: GHSA-g3ch-wcx8-mmq7
- 2026-10-03 Fix available: Linux/Linux@00e370627f2e1fb3585f9d26348b1abddc75442b, Linux/Linux@28ecfb3d1fe8dea70319de7051cb6718c25b5b52, Linux/[email protected] +9 · CNA
- 2026-10-03 6 new references · CNA
- 2026-10-16 CISA SSVC decision points changed
- 2026-10-19 Weakness changed · CISA ADP
References
Patch 2
Other 6
- https://git.kernel.org/stable/c/ed8d3bd8272e49ea987100de2abfb13710329a9b
- https://git.kernel.org/stable/c/8fdd2204503ab1ce07dc000c277e2c3edf96a67b
- https://git.kernel.org/stable/c/5593c640f9daedec8de61555c41e1019fa675aa6
- https://git.kernel.org/stable/c/00e370627f2e1fb3585f9d26348b1abddc75442b
- https://git.kernel.org/stable/c/28ecfb3d1fe8dea70319de7051cb6718c25b5b52
- https://git.kernel.org/stable/c/a557816c6e38e9473d99aa9ea8c662f55fc85847
More Linux Kernel vulnerabilities
- 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
Sources
- CVE-2026-52988 · CVE Program
- CVE-2026-52988 · NVD
- FIRST EPSS
- GHSA-g3ch-wcx8-mmq7 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-52988 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences