Buffer overflow in Linux kernel - CVE-2022-49851
Published: May 2, 2025 / Updated: May 10, 2025
Vulnerability identifier: #VU108386
CSH Severity: Low
CVSS v4: 6.8 [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]
CVE-ID: CVE-2022-49851
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the setup_bootmem() function in arch/riscv/mm/init.c, within the setup_arch() function in arch/riscv/kernel/setup.c. A local user can perform a denial of service (DoS) attack.
Affected software
Linux kernel
How to mitigate CVE-2022-49851
Install update from vendor's website.
Linux kernel - update to 5.10.155
External References
- https://git.kernel.org/stable/c/50e63dd8ed92045eb70a72d7ec725488320fb68b
- https://git.kernel.org/stable/c/518e49f0590de66555503aabe199ba8d3f2e24ac
- https://git.kernel.org/stable/c/93598deb101540c4f9e7de15099ea8255b965fc2
- https://git.kernel.org/stable/c/94ab8f88feb75e3b1486102c0c9c550f37d9d137
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.155