VDB
DEBIAN-CVE-2026-23226
DEBIAN-CVE-2026-23226
PUBLISHED
CVSS 7.800000190734863 HIGH
In the Linux kernel, the following vulnerability has been resolved: ksmbd: add chann_lock to protect ksmbd_chann_list xarray ksmbd_chann_list xarray lacks synchronization, allowing use-after-free in multi-channel sessions (between lookup_chann_list() and ksmbd_chann_del). Adds rw_semaphore chann_lock to struct ksmbd_session and protects all xa_load/xa_store/xa_erase accesses.
Risk Scores
CVSS 3.1
7.800000190734863
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:13 | linux | 0, 6.12.85-1~bpo12+1, 6.12.74-2~bpo12+1 |
| Debian:12 | linux | 7.0.7-1~bpo13+1, 6.4.4-2, 6.4.4-3 |
| Debian:14 | linux | 6.12.73-1~bpo12+1, 6.12.74-1, 6.12.74-2 |
Timeline
- Feb 18, 2026 CVE Published
- Oct 23, 2026 CVE Updated