Out-of-bounds write in Linux kernel - CVE-2023-52464
Published: April 22, 2024
Vulnerability identifier: #VU88895
CSH Severity: Low
CVSS v4.0: 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-2023-52464
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error within the thunderx_ocx_com_threaded_isr() function in drivers/edac/thunderx_edac.c. A local user can trigger an out-of-bounds write and execute arbitrary code on the target system.
How to mitigate CVE-2023-52464
Install updates from vendor's website.
Sources
- https://git.kernel.org/stable/c/71c17ee02538802ceafc830f0736aa35b564e601
- https://git.kernel.org/stable/c/5da3b6e7196f0b4f3728e4e25eb20233a9ddfaf6
- https://git.kernel.org/stable/c/6aa7865ba7ff7f0ede0035180fb3b9400ceb405a
- https://git.kernel.org/stable/c/700cf4bead80fac994dcc43ae1ca5d86d8959b21
- https://git.kernel.org/stable/c/9dbac9fdae6e3b411fc4c3fca3bf48f70609c398
- https://git.kernel.org/stable/c/e1c86511241588efffaa49556196f09a498d5057
- https://git.kernel.org/stable/c/426fae93c01dffa379225eb2bd4d3cdc42c6eec5
- https://git.kernel.org/stable/c/475c58e1a471e9b873e3e39958c64a2d278275c8