Buffer overflow in Linux kernel - CVE-2024-46823
Published: September 30, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU97819
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-2024-46823
CWE-ID: CWE-119
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 memory corruption within the DEFINE_TEST_ALLOC() and overflow_allocation_test() functions in lib/overflow_kunit.c. A local user can escalate privileges on the system.
How to mitigate CVE-2024-46823
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/d1207f07decc66546a7fa463d2f335a856c986ef
- https://git.kernel.org/stable/c/92e9bac18124682c4b99ede9ee3bcdd68f121e92
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.134
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.87