Race Condition The advisory has been revoked - it doesn't affect any version of package kernel-cross-headers  (opens in a new tab)


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EPSS
0.17% (7th percentile)

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  • Snyk IDSNYK-RHEL9-KERNELCROSSHEADERS-9339861
  • published7 Mar 2025
  • disclosed3 Apr 2024

Introduced: 3 Apr 2024

CVE-2024-26708  (opens in a new tab)
CWE-362  (opens in a new tab)

Amendment

The Red Hat security team deemed this advisory irrelevant for RHEL:9.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-cross-headers package and not the kernel-cross-headers package as distributed by RHEL.

In the Linux kernel, the following vulnerability has been resolved:

mptcp: really cope with fastopen race

Fastopen and PM-trigger subflow shutdown can race, as reported by syzkaller.

In my first attempt to close such race, I missed the fact that the subflow status can change again before the subflow_state_change callback is invoked.

Address the issue additionally copying with all the states directly reachable from TCP_FIN_WAIT1.