Use-after-free in Linux kernel - CVE-2025-22068
Published: April 22, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU107669
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-22068
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the ublk_abort_queue() and ublk_abort_requests() functions in drivers/block/ublk_drv.c. A local user can escalate privileges on the system.
How to mitigate CVE-2025-22068
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/5491400589e7572c2d2627ed6384302f7672aa1d
- https://git.kernel.org/stable/c/7e3497d7dacb5aee69dd9be842b778083cae0e75
- https://git.kernel.org/stable/c/8741d0737921ec1c03cf59aebf4d01400c2b461a
- https://git.kernel.org/stable/c/9158359015f0eda00e521e35b7bc7ebce176aebf
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14.2