netfilter: nft_meta_bridge: fix NFT_META_BRI_IIFPVID stack leak
Priority LOW 22Published · Updated
Key facts
- Attack vector
- —
- Privileges required
- —
- User interaction
- —
- Attack complexity
- —
- Impact type
- —
- Confidentiality · integrity · availability
- —
- Fix status
- Partial Red Hat: 2 without a fix
No CVSS vector from any source. Fix status from CNA and Red Hat.
Summary
In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_meta_bridge: fix NFT_META_BRI_IIFPVID stack leak This needs to test for nonzero retval.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00216 12th percentileScored 2026-11-07
Fix Partial Linux (Linux): 5.10.261, 5.15.212, 6.1.178 +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
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.10.261, 5.15.212, 6.1.178, 6.6.145, 6.12.97, 6.18.40, 7.1.5, 7.2
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-2026-72433
- 2026-10-03 Alias added: GHSA-c523-5r9j-wqh7
- 2026-11-06 CISA SSVC decision points changed
References
Other 8
- https://git.kernel.org/stable/c/c37a39b963034cc2d141baf46017614cb1fc275f
- https://git.kernel.org/stable/c/a853c3769b73ceb2d2b735aff621d1d51fe0553d
- https://git.kernel.org/stable/c/b1b0b9efe641afa5c2d4ba2ec77aed7b6f4bc398
- https://git.kernel.org/stable/c/f73b7de5338fcca7f63ca88597a050c119501531
- https://git.kernel.org/stable/c/92c9682b36f0c8f7a1f14d4558b72793f62e90a1
- https://git.kernel.org/stable/c/7e23965d44f06ed93fb5362fb1e321b769eecc3b
- https://git.kernel.org/stable/c/4dce8bf588a89bef99b446136d15685a837e7acf
- https://git.kernel.org/stable/c/27dd2997746d54ebc079bb13161cc1bdd401d4a6
More Linux 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-2021-02452 Incorrect authorization in Ubuntu linux kernel 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
Sources
- CVE-2026-72433 · CVE Program
- CVE-2026-72433 · NVD
- FIRST EPSS
- GHSA-c523-5r9j-wqh7 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-72433 · Red Hat security data · CC BY 4.0
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