High severity7.5NVD Advisory· Published Sep 25, 2026· Updated Oct 19, 2026
CVE-2026-97523
CVE-2026-97523
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- osv-coords2 versions
< 5.15.222+ 1 more
- (no CPE)range: < 5.15.222
- (no CPE)range: < 7.2.9-1.1
Patches
Vulnerability mechanics
References
7- git.kernel.org/stable/c/0a926b5df8efdfbac07e2fb7fafb21849a2ad9c0nvd
- git.kernel.org/stable/c/42064de57fb83231fcc89663a94885f228a1ee53nvd
- git.kernel.org/stable/c/4c856f3c151a2f3fa237caa651c44015916ca584nvd
- git.kernel.org/stable/c/5883ae880f51edc4b1484e787473b865b6159eadnvd
- git.kernel.org/stable/c/8f11430d51ff8365bc51b670bc3002b65ae4c6b7nvd
- git.kernel.org/stable/c/a09c87abf10a0a7e203137c75b5381aa63d9b31dnvd
- git.kernel.org/stable/c/d74b2e26b54a7dae1d87c1f19ae0d6db500e5e03nvd
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