SB20250619188 - Use-after-free in Linux kernel cifs
Published: June 19, 2025
Security Bulletin ID
SB20250619188
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-2025-38051)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the find_cifs_entry() function in fs/cifs/readdir.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/1b197931fbc821bc7e9e91bf619400db563e3338
- https://git.kernel.org/stable/c/73cadde98f67f76c5eba00ac0b72c453383cec8b
- https://git.kernel.org/stable/c/9bea368648ac46f8593a780760362e40291d22a9
- https://git.kernel.org/stable/c/9c9aafbacc183598f064902365e107b5e856531f
- https://git.kernel.org/stable/c/a24c2f05ac3c5b0aaa539d9d913826d2643dfd0e
- https://git.kernel.org/stable/c/a7a8fe56e932a36f43e031b398aef92341bf5ea0
- https://git.kernel.org/stable/c/aee067e88d61eb72e966f094e4749c6b14e7008f
- https://git.kernel.org/stable/c/c8623231e0edfcccb7cc6add0288fa0f0594282f