#VU93248 Buffer overflow in Linux kernel - CVE-2022-48769
Published: June 25, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU93248
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-48769
CWE-ID: CWE-119
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 perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the efi_systab_report_header() function in drivers/firmware/efi/efi.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/b0f1cc093bc2493ac259c53766fd2b800e085807
- https://git.kernel.org/stable/c/3df52448978802ae15dcebf66beba1029df957b4
- https://git.kernel.org/stable/c/a4085859411c825c321c9b55b8a9dc5a128a6684
- https://git.kernel.org/stable/c/f5390cd0b43c2e54c7cf5506c7da4a37c5cef746
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.96
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17