Use-after-free in Linux kernel - CVE-2025-22024
Published: April 22, 2025 / Updated: May 10, 2025
Vulnerability identifier: #VU107679
CSH Severity: Low
CVSS v4: 8.5 [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]
CVE-ID: CVE-2025-22024
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the nfsd_nl_listener_set_doit() function in fs/nfsd/nfsctl.c. A local user can escalate privileges on the system.
Affected software
Linux kernel
Ubuntu
linux (Ubuntu package)
linux-lowlatency (Ubuntu package)
linux-azure (Ubuntu package)
linux-oem-6.11 (Ubuntu package)
linux-aws (Ubuntu package)
Ubuntu
linux (Ubuntu package)
linux-lowlatency (Ubuntu package)
linux-azure (Ubuntu package)
linux-oem-6.11 (Ubuntu package)
linux-aws (Ubuntu package)
How to mitigate CVE-2025-22024
Install update from vendor's website.
Linux kernel - addressed in versions 6.12.23, 6.13.11, 6.14.2
linux (Ubuntu package) - addressed in versions 6.11.0-28.28, 6.11.0-28.28~24.04.1, 6.11.0-1011.11, 6.11.0-1014.14, 6.11.0-1015.16, 6.11.0-1016.16, 6.11.0-1016.16~24.04.1, 6.11.0-1017.18, 6.14.0-22.22, 6.14.0-1004.4, 6.14.0-1007.7, 6.14.0-1008.8
linux-lowlatency (Ubuntu package) - addressed in versions 6.11.0-1015.16, 6.11.0-1015.16~24.04.2
linux-azure (Ubuntu package) - addressed in versions 6.11.0-1018.18, 6.11.0-1018.18~24.04.1, 6.14.0-1007.7
linux-oem-6.11 (Ubuntu package) - update to 6.11.0-1024.24
linux-aws (Ubuntu package) - addressed in versions 6.14.0-1007.7, 6.14.0-1007.7+1
linux (Ubuntu package) - addressed in versions 6.11.0-28.28, 6.11.0-28.28~24.04.1, 6.11.0-1011.11, 6.11.0-1014.14, 6.11.0-1015.16, 6.11.0-1016.16, 6.11.0-1016.16~24.04.1, 6.11.0-1017.18, 6.14.0-22.22, 6.14.0-1004.4, 6.14.0-1007.7, 6.14.0-1008.8
linux-lowlatency (Ubuntu package) - addressed in versions 6.11.0-1015.16, 6.11.0-1015.16~24.04.2
linux-azure (Ubuntu package) - addressed in versions 6.11.0-1018.18, 6.11.0-1018.18~24.04.1, 6.14.0-1007.7
linux-oem-6.11 (Ubuntu package) - update to 6.11.0-1024.24
linux-aws (Ubuntu package) - addressed in versions 6.14.0-1007.7, 6.14.0-1007.7+1
External References
- https://git.kernel.org/stable/c/052a34f093fb940a145493d1438e7abbfe507cdd
- https://git.kernel.org/stable/c/0f42df0ab2b11ea6b2884bdaf6dbc3be6dde7e82
- https://git.kernel.org/stable/c/a84c80515ca8a0cdf6d06f1b6ca721224b08453e
- https://git.kernel.org/stable/c/d093c90892607be505e801469d6674459e69ab89
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.23
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14.2