#VU104475 Use-after-free in Linux kernel - CVE-2022-49082
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104475
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-2022-49082
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 _scsih_expander_node_remove() function in drivers/scsi/mpt3sas/mpt3sas_scsih.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/17d66b1c92bcb41e72271ec60069d3684aaa1c9c
- https://git.kernel.org/stable/c/1bb8a7fc64d63ec818e367e1b37676ea2ef2d20c
- https://git.kernel.org/stable/c/25c1353dca74ad7cf3fd7ce258fe7c957a147d5e
- https://git.kernel.org/stable/c/87d663d40801dffc99a5ad3b0188ad3e2b4d1557
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.34
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.20
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18