CVE-2026-97567

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.

Package Linux Kernel
Published 2026-09-25
Last modified 2026-09-25
Patch available
Yes

Affected versions

Linux kernel versions 5.17 and later are affected. Fixed in 6.18.53, 7.2.7, 7.3-rc3 and their respective stable series.

Affected from
≥ 5.17
Fixed in
✓ 6.18.53 6.18.x ✓ 7.2.7 7.2.x ✓ 7.3-rc3

Frequently asked questions

  • What is CVE-2026-97567?

    CVE-2026-97567 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 5.17 onward and has been patched in 6.18.53, 7.2.7 and 7.3-rc3. CVE-2026-97567 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • Is there a patch available for CVE-2026-97567?

    Yes. CVE-2026-97567 has been patched. Fixed versions include 6.18.53, 7.2.7 and 7.3-rc3. If you are running Linux kernel 5.17 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2026-97567 actively exploited?

    No. CVE-2026-97567 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.