#VU91054 Use-after-free in Linux kernel - CVE-2023-52847
Published: June 4, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU91054
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-2023-52847
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 bttv_remove() function in drivers/media/pci/bt8xx/bttv-driver.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/bbc3b8dd2cb7817e703f112d988e4f4728f0f2a9
- https://git.kernel.org/stable/c/b35fdade92c5058a5e727e233fe263b828de2c9a
- https://git.kernel.org/stable/c/2f3d9198cdae1cb079ec8652f4defacd481eab2b
- https://git.kernel.org/stable/c/51c94256a83fe4e17406c66ff3e1ad7d242d8574
- https://git.kernel.org/stable/c/20568d06f6069cb835e05eed432edf962645d226
- https://git.kernel.org/stable/c/1871014d6ef4812ad11ef7d838d73ce09d632267
- https://git.kernel.org/stable/c/847599fffa528b2cdec4e21b6bf7586dad982132
- https://git.kernel.org/stable/c/bd5b50b329e850d467e7bcc07b2b6bde3752fbda
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.299
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.201
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.139
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.261
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.63
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7