#VU104487 Use-after-free in Linux kernel - CVE-2022-49196
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104487
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-2022-49196
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 remove_phb_dynamic() function in arch/powerpc/platforms/pseries/pci_dlpar.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/33d39efb61a84e055ca2386157d39ebbdf6b7d31
- https://git.kernel.org/stable/c/403f9e0bc5535a0a5184d1352fa3a70e6ffacb6f
- https://git.kernel.org/stable/c/895ca4ae1f72e0a0160ab162723e59c9f265ec93
- https://git.kernel.org/stable/c/fe2640bd7a62f1f7c3f55fbda31084085075bc30
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.33
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18