#VU94410 Use-after-free in Linux kernel - CVE-2022-48861
Published: July 17, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU94410
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-2022-48861
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 vp_vdpa_remove() function in drivers/vdpa/virtio_pci/vp_vdpa.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/4b1743bc715a3691a63ac21b349079b07bf1b19e
- https://git.kernel.org/stable/c/dc54ba9932aeaaa1a21fe214af1f446593a78274
- https://git.kernel.org/stable/c/eb057b44dbe35ae14527830236a92f51de8f9184
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.29
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.15
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17