SB20250502125 - Use-after-free in Linux kernel s390 scsi driver
Published: May 2, 2025 Updated: May 10, 2025
Security Bulletin ID
SB20250502125
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-2022-49789)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the zfcp_fsf_req_send() function in drivers/s390/scsi/zfcp_fsf.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0954256e970ecf371b03a6c9af2cf91b9c4085ff
- https://git.kernel.org/stable/c/11edbdee4399401f533adda9bffe94567aa08b96
- https://git.kernel.org/stable/c/1bf8ed585501bb2dd0b5f67c824eab45adfbdccd
- https://git.kernel.org/stable/c/90a49a6b015fa439cd62e45121390284c125a91f
- https://git.kernel.org/stable/c/d2c7d8f58e9cde8ac8d1f75e9d66c2a813ffe0ab
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.156