CVE-2026-43215

We used to use the cifstcpseslock to protect a lot of objects that are not just the server, ses or tcon lists. We later introduced srvlock, seslock and tclock 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 cifstcpseslock to provide tcon fields. In this patch, I've replaced them with tclock.

Database specific

{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43215.json",
    "cna_assigner": "Linux"
}

References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type: GIT
Repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events: Introduced

d7d7a66aacd6fd8ca57baf08a7bac5421282f6f8

Fixed

953953abb66e52c224057ab91e404284fefeab62

Fixed

601dd3b79769b38d30b693c40afdb2a4b7edf9d0

Fixed

3969db6b22e3d90d8c5f22ac1a7fe0350a94c136

Fixed

8c59eeeeffa1524ef57e173a89a1a3ff539888d5

Fixed

96c4af418586ee9a6aab61738644366426e05316

Database specific

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-43215.json"

Linux / Kernel

Package

Name: Kernel

Affected ranges

Type: ECOSYSTEM
Events: Introduced

6.0.0

Fixed

6.6.128

Type: ECOSYSTEM
Events: Introduced

6.7.0

Fixed

6.12.75

Type: ECOSYSTEM
Events: Introduced

6.13.0

Fixed

6.18.16

Type: ECOSYSTEM
Events: Introduced

6.19.0

Fixed

6.19.6

Database specific

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-43215.json"