Description
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix rlist race and missing initialization TCP_Server_Info.rlist is allocated via kzalloc which zeros both ->next and ->prev to NULL instead of pointing to itself, making list_empty() always return false and list_add() dereference a NULL ->prev pointer. Also, cifs_signal_cifsd_for_reconnect() can be called concurrently from multiple cifsd threads, allowing the same server's rlist node to be added twice into the local list, corrupting it.
References5
- git.kernel.org/stable/c/04082b1833856cb9ed87e0d3d5f04cbf836cf7da
- git.kernel.org/stable/c/5a8f82f9c5839389cf4036029dd75a9911049e83
- git.kernel.org/stable/c/5f270f091256da1338c3631083e15d7f83cc05e1
- git.kernel.org/stable/c/b5f924ffbfa976e4b97f17e8132c595b97482c2d
- git.kernel.org/stable/c/c037d6bde3dd5fa00b017b6b98a5389ec0ebc02f
Metrics
- CVSS 3.1
-
7.5
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 0% percentile: 26 · as of 10 November 2026
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