#VU108221 Use-after-free in Linux kernel - CVE-2022-49789
Published: May 2, 2025 / Updated: May 10, 2025
Vulnerability identifier: #VU108221
Vulnerability risk: Low
CVSSv4.0: 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-2022-49789
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
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 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.
External links
- 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