rxrpc: Fix leak of released call in recvmsg(MSG_PEEK)
Priority LOW 22Published · Updated
Key facts
- Attack vector
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- Privileges required
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- User interaction
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- Attack complexity
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- Impact type
- —
- Confidentiality · integrity · availability
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- Fix status
- Partial Red Hat: 1 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: rxrpc: Fix leak of released call in recvmsg(MSG_PEEK) Fix rxrpc_recvmsg() to also drop the ref it holds on an already-released call if MSG_PEEK is in force (the function holds a ref on the call irrespective of whether MSG_PEEK is specified or not).
Why it matters now
EPSS 0.00209 11th percentileScored 2026-11-07
Fix Partial Linux (Linux): 6.6.145, 6.12.97, 5.11 +5Red Hat: 1 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 6.6.100 to before 6.6.145; 6.12.40 to before 6.12.97; 5.10.266 to before 5.11; 6.1.191 to before 6.2; 6.15.8 to before 6.16 | 6.6.145, 6.12.97, 5.11, 6.2, 6.16 | Patch available | CNA |
| Linux | Linux | 6.16 and later | 6.6.145, 6.12.97, 6.18.40, 7.1.5, 7.2 | Patch available | CNA |
- Linux VendorLinux Affected 6.6.100 to before 6.6.145; 6.12.40 to before 6.12.97; 5.10.266 to before 5.11; 6.1.191 to before 6.2; 6.15.8 to before 6.16 Fixed in 6.6.145, 6.12.97, 5.11, 6.2, 6.16 Patch available CNA
- Linux VendorLinux Affected 6.16 and later Fixed in 6.6.145, 6.12.97, 6.18.40, 7.1.5, 7.2 Patch available CNA
Remediation
- Fix · CNA Linux (Linux) Fixed in 6.6.145, 6.12.97, 5.11, 6.2, 6.16
- Fix · CNA Linux (Linux) Fixed in 6.6.145, 6.12.97, 6.18.40, 7.1.5, 7.2
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 10 | Affected | No fix yet: Fix deferred |
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-2026-74432
- 2026-10-03 Alias added: GHSA-mhvf-j96m-638q
- 2026-10-30 Fix available: Linux/[email protected] · CNA
References
Other 5
- https://git.kernel.org/stable/c/86eff3140c9d4b52bba13d1cba266da933403e51
- https://git.kernel.org/stable/c/e473cd3046a1aaec1e39af5df2042ce7c04d5e74
- https://git.kernel.org/stable/c/2b69b61057eb0b3db9ad754ef0f1436b7af3a9f5
- https://git.kernel.org/stable/c/04c7103dc0923cc6ac95b97aa66bab70da7ace84
- https://git.kernel.org/stable/c/4bdb9e471f5b1ac9cbe4add5de7ff085a0ec303c
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- 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-2026-74432 · CVE Program
- CVE-2026-74432 · NVD
- FIRST EPSS
- GHSA-mhvf-j96m-638q · GitHub Advisory Database · CC BY 4.0
- CVE-2026-74432 · Red Hat security data · CC BY 4.0
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