mptcp: prevent race between disconnect() and rtx
Priority LOW 22Published · Updated
Key facts
- Attack vector
- —
- Privileges required
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- User interaction
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- Attack complexity
- —
- Impact type
- —
- Confidentiality · integrity · availability
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- Fix status
- Partial Red Hat: 4 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: mptcp: prevent race between disconnect() and rtx Sashiko noted that the two event can race, leading to inconsistent status. Prevent the race using the synchronous timer stop operation.
Why it matters now
EPSS 0.00212 11th percentileScored 2026-11-07
Fix Partial Linux (Linux): 6.1.191, 6.6.160, 6.12.113 +3Red Hat: 4 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA Linux (Linux) Fixed in 6.1.191, 6.6.160, 6.12.113, 6.18.53, 7.2.7, 7.3
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 |
| Red Hat OpenShift Container Platform 4 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 5 | 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 OpenShift Container Platform 4
Timeline
- 2026-10-02 Threatist record created from CVE-2026-97567
- 2026-10-03 Alias added: GHSA-qqvj-8jm5-2jc9
- 2026-10-16 Fix available: Linux/Linux@2261f857ef4e0d21eb1a8b47b06640cf7ab16d3e, Linux/[email protected] · CNA
- 2026-10-16 1 new reference · CNA
- 2026-10-19 Fix available: Linux/[email protected] · CNA
- 2026-10-21 Fix available: Linux/[email protected], Linux/Linux@75b3b30ae4ee6aa0572595f6b48544ed4f479eb6 · CNA
- 2026-10-21 1 new reference · CNA
- 2026-10-30 Fix available: Linux/Linux@1a68a88369c0ab6309bd17f7e408290c5cb80dcf, Linux/[email protected] · CNA
- 2026-10-30 1 new reference · CNA
- 2026-11-06 Affected versions changed · Red Hat
References
Other 6
- https://git.kernel.org/stable/c/1a68a88369c0ab6309bd17f7e408290c5cb80dcf
- https://git.kernel.org/stable/c/75b3b30ae4ee6aa0572595f6b48544ed4f479eb6
- https://git.kernel.org/stable/c/2261f857ef4e0d21eb1a8b47b06640cf7ab16d3e
- https://git.kernel.org/stable/c/374da2b9be1280695ce41f108334a8f16e3e54be
- https://git.kernel.org/stable/c/69a7b2a912672159dda7dcf325d27752d448dfdf
- https://git.kernel.org/stable/c/85c580b0d8590520ae00a15c29e9fb9c99427a3e
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Sources
- CVE-2026-97567 · CVE Program
- CVE-2026-97567 · NVD
- FIRST EPSS
- GHSA-qqvj-8jm5-2jc9 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-97567 · Red Hat security data · CC BY 4.0
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