#VU101984 Memory leak in Linux kernel - CVE-2024-56741
Published: December 30, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU101984
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-2024-56741
CWE-ID: CWE-401
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 leak within the policy_unpack_test_unpack_strdup_with_null_name(), policy_unpack_test_unpack_strdup_with_name() and policy_unpack_test_unpack_strdup_out_of_bounds() functions in security/apparmor/policy_unpack_test.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/2a9b68f2dc6812bd1b8880b5c00e60203d6f61f6
- https://git.kernel.org/stable/c/5354599855a9b5568e05ce686119ee3ff8b19bd5
- https://git.kernel.org/stable/c/59a149e7c38e7b76616c8b333fc6aa5b6fb2293c
- https://git.kernel.org/stable/c/7290f59231910ccba427d441a6e8b8c6f6112448
- https://git.kernel.org/stable/c/89265f88701e54dde255ddf862093baeca57548c
- https://git.kernel.org/stable/c/d62ee5739a66644b0e7f11e657d562458cdcdea3
- https://git.kernel.org/stable/c/f856246ff6da25c4f8fdd73a9c875e878b085e9f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.231