CVE-2026-90165 Affecting linux-6.12 package, versions <6.12.111-1~deb12u1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIAN12-LINUX612-20506360
- published5 Oct 2026
- disclosed17 Sept 2026
Introduced: 17 Sep 2026
NewCVE-2026-90165 (opens in a new tab)How to fix?
Upgrade Debian:12 linux-6.12 to version 6.12.111-1~deb12u1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream linux-6.12 package and not the linux-6.12 package as distributed by Debian.
See How to fix? for Debian:12 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
smb/server: fix invalid pointer dereference in ksmbd_stop_durable_scavenger()
See the procedure below:
ksmbd_launch_ksmbd_durable_scavenger durable_scavenger_running = true server_conf.dh_task = kthread_run() // fail, dh_task is an ERR_PTR()
server_ctrl_handle_reset ksmbd_stop_durable_scavenger kthread_stop(server_conf.dh_task) // invalid pointer
References
- https://security-tracker.debian.org/tracker/CVE-2026-90165
- https://git.kernel.org/stable/c/3f8651f6bb52159c9e23993c77a2b51b9505ad64
- https://git.kernel.org/stable/c/a2eb72b4d53bb9d8d6c00f3f794eaccb4b1ce5ed
- https://git.kernel.org/stable/c/af9cb997d13a17029a0d3863e33f4c837e27a8ae
- https://git.kernel.org/stable/c/b2d78c199dfd983638662ace0612d4fade3dbea1
- https://git.kernel.org/stable/c/bef46b604732d83f8da29f782868de4d25bf972c