SB20250619187 - Use-after-free in Linux kernel tipc
Published: June 19, 2025
Security Bulletin ID
SB20250619187
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2025-38052)
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() and tipc_aead_encrypt_done() functions in net/tipc/crypto.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/4a0fddc2c0d5c28aec8c262ad4603be0bef1938c
- https://git.kernel.org/stable/c/689a205cd968a1572ab561b0c4c2d50a10e9d3b0
- https://git.kernel.org/stable/c/b19fc1d0be3c3397e5968fe2627f22e7f84673b1
- https://git.kernel.org/stable/c/b8fcae6d2e93c54cacb8f579a77d827c1c643eb5
- https://git.kernel.org/stable/c/d42ed4de6aba232d946d20653a70f79158a6535b
- https://git.kernel.org/stable/c/e279024617134c94fd3e37470156534d5f2b3472
- https://git.kernel.org/stable/c/f5c2c4eaaa5a8e7e0685ec031d480e588e263e59