netfilter: nft_set_pipapo: release elements in clone only from destroy path
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_pipapo: release elements in clone only from destroy path Clone already always provides a current view of the lookup table, use it to destroy the set, otherwise it is possible to destroy elements twice. This fix requires: 212ed75dc5fb ("netfilter: nf_tables: integrate pipapo into commit protocol") which came after: 9827a0e6e23b ("netfilter: nft_set_pipapo: release elements in clone from abort path").
Why it matters now
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 | 5.10.130 to before 5.10.214; 5.15.54 to before 5.15.153; 5.18.11 to before 5.19 | 5.10.214, 5.15.153, 5.19 | Patch available | CNA |
| Linux | Linux | 5.19 and later | 5.10.214, 5.15.153, 6.1.83, 6.6.23, 6.7.11, 6.8.2, 6.9 | Patch available | CNA |
- Linux VendorLinux Affected 5.10.130 to before 5.10.214; 5.15.54 to before 5.15.153; 5.18.11 to before 5.19 Fixed in 5.10.214, 5.15.153, 5.19 Patch available CNA
- Linux VendorLinux Affected 5.19 and later Fixed in 5.10.214, 5.15.153, 6.1.83, 6.6.23, 6.7.11, 6.8.2, 6.9 Patch available CNA
CPE configurations NVD · 2
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.10.214, 5.15.153, 5.19
- Fix · CNA Linux (Linux) Fixed in 5.10.214, 5.15.153, 6.1.83, 6.6.23, 6.7.11, 6.8.2, 6.9
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 4 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2024-26809
- 2026-10-03 Alias added: GHSA-pfjp-fv5p-fjx7
References
Patch 7
- https://git.kernel.org/stable/c/b36b83297ff4910dfc8705402c8abffd4bbf8144
- https://git.kernel.org/stable/c/362508506bf545e9ce18c72a2c48dcbfb891ab9c
- https://git.kernel.org/stable/c/5ad233dc731ab64cdc47b84a5c1f78fff6c024af
- https://git.kernel.org/stable/c/ff90050771412b91e928093ccd8736ae680063c2
- https://git.kernel.org/stable/c/821e28d5b506e6a73ccc367ff792bd894050d48b
- https://git.kernel.org/stable/c/9384b4d85c46ce839f51af01374062ce6318b2f2
- https://git.kernel.org/stable/c/b0e256f3dd2ba6532f37c5c22e07cb07a36031ee
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-2024-26809 · CVE Program
- CVE-2024-26809 · NVD
- FIRST EPSS
- GHSA-pfjp-fv5p-fjx7 · GitHub Advisory Database · CC BY 4.0
- CVE-2024-26809 · Red Hat security data · CC BY 4.0
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