CVE-2026-43215

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix locking usage for tcon fields We used to use the cifs_tcp_ses_lock to protect a lot of objects that are not just the server, ses or tcon lists. We later introduced srv_lock, ses_lock and tc_lock to protect fields within the corresponding structs. This was done to provide a more granular protection and avoid unnecessary serialization. There were still a couple of uses of cifs_tcp_ses_lock to provide tcon fields. In this patch, I've replaced them with tc_lock.

The following products are affected by CVE-2026-43215 vulnerability.

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-43215.

URL	Resource
https://git.kernel.org/stable/c/3969db6b22e3d90d8c5f22ac1a7fe0350a94c136
https://git.kernel.org/stable/c/601dd3b79769b38d30b693c40afdb2a4b7edf9d0
https://git.kernel.org/stable/c/8c59eeeeffa1524ef57e173a89a1a3ff539888d5
https://git.kernel.org/stable/c/953953abb66e52c224057ab91e404284fefeab62
https://git.kernel.org/stable/c/96c4af418586ee9a6aab61738644366426e05316
https://lore.kernel.org/linux-cve-announce/2026050650-CVE-2026-43215-7e04@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2026-43215
https://www.cve.org/CVERecord?id=CVE-2026-43215