Use-after-free in Linux kernel - CVE-2025-38273
Published: July 10, 2025
Vulnerability identifier: #VU112746
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-2025-38273
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 tipc_aead_encrypt() function in net/tipc/crypto.c. A local user can escalate privileges on the system.
How to mitigate CVE-2025-38273
Install update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/307391e8fe70401a6d39ecc9978e13c2c0cdf81f
- https://git.kernel.org/stable/c/445d59025d76d0638b03110f8791d5b89ed5162d
- https://git.kernel.org/stable/c/9ff60e0d9974dccf24e89bcd3ee7933e538d929f
- https://git.kernel.org/stable/c/acab7ca5ff19889b80a8ee7dec220ee1a96dede9
- https://git.kernel.org/stable/c/c762fc79d710d676b793f9d98b1414efe6eb51e6
- https://git.kernel.org/stable/c/e0b11227c4e8eb4bdf1b86aa8f0f3abb24e0f029
- https://git.kernel.org/stable/c/f29ccaa07cf3d35990f4d25028cc55470d29372b