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CVE PROGRAM SOURCE RECORD7.5 High

CVE-2026-97523

mptcp: close race between scheduler and state change

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Status
Published
Published
Updated
Assigning organization
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: mptcp: close race between scheduler and state change The mptcp scheduler may race with subflow sockets state change: data transmission on the selected socket may fail and a later release could try to use mss_now reset to 0 for a divide operation. Address the issue by explicitly checking for the critical scenario.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • fb9c73ef2ac2ec816efdc8b9267bc04e1369c20b to < d74b2e26b54a7dae1d87c1f19ae0d6db500e5e03affected
  • c886d70286bf3ad411eb3d689328a67f7102c6ae to < 5883ae880f51edc4b1484e787473b865b6159eadaffected
  • c886d70286bf3ad411eb3d689328a67f7102c6ae to < 0a926b5df8efdfbac07e2fb7fafb21849a2ad9c0affected
  • c886d70286bf3ad411eb3d689328a67f7102c6ae to < 8f11430d51ff8365bc51b670bc3002b65ae4c6b7affected
  • c886d70286bf3ad411eb3d689328a67f7102c6ae to < a09c87abf10a0a7e203137c75b5381aa63d9b31daffected
  • c886d70286bf3ad411eb3d689328a67f7102c6ae to < 4c856f3c151a2f3fa237caa651c44015916ca584affected
  • c886d70286bf3ad411eb3d689328a67f7102c6ae to < 42064de57fb83231fcc89663a94885f228a1ee53affected
  • 8caf5c15b5288d52d9c89374d6c10fa32ee84ec5affected
  • 5.15.190 to < 5.15.222affected
  • 5.19.4 to < 5.20affected

Linux Linux

Default version status: affected

  • 6.0affected
  • 0 to < 6.0unaffected
  • 5.15.222 to ≤ 5.15.*unaffected
  • 6.1.189 to ≤ 6.1.*unaffected
  • 6.6.158 to ≤ 6.6.*unaffected
  • 6.12.111 to ≤ 6.12.*unaffected
  • 6.18.53 to ≤ 6.18.*unaffected
  • 7.2.7 to ≤ 7.2.*unaffected
  • 7.3 to ≤ *unaffected

References