#VU96443 Buffer overflow in Linux kernel - CVE-2022-48923
Published: August 22, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU96443
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-2022-48923
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 lzo_decompress_bio() function in fs/btrfs/lzo.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/8df508b7a44cd8110c726057cd28e8f8116885eb
- https://git.kernel.org/stable/c/e326bd06cdde46df952361456232022298281d16
- https://git.kernel.org/stable/c/741b23a970a79d5d3a1db2d64fa2c7b375a4febb
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.26
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17