#VU101992 Memory leak in Linux kernel - CVE-2024-56644
Vulnerability identifier: #VU101992
Vulnerability risk: Low
CVSSv4.0: 4.3 [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-2024-56644
CWE-ID:
CWE-401
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
Linux kernel
Operating systems & Components /
Operating system
Vendor: 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 ip6_negative_advice() function in net/ipv6/route.c. A local user can perform a denial of service (DoS) attack.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Linux kernel: All versions
External links
https://git.kernel.org/stable/c/0b8903e6c881f72c6849d4952de742c656eb5ab9
https://git.kernel.org/stable/c/3301ab7d5aeb0fe270f73a3d4810c9d1b6a9f045
https://git.kernel.org/stable/c/535add1e9f274502209cb997801208bbe1ae6c6f
https://git.kernel.org/stable/c/8b591bd522b71c42a82898290e35d32b482047e4
https://git.kernel.org/stable/c/a95808252e8acc0123bacd2dff8b9af10bc145b7
https://git.kernel.org/stable/c/b90d061345bb8cd51fece561a800bae1c95448a6
https://git.kernel.org/stable/c/f43d12fd0fa8ee5b9caf8a3927e10d06431764d2
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
