#VU104343 Memory leak in Linux kernel - CVE-2022-49697
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104343
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-2022-49697
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 __bpf_sk_lookup() and bpf_sk_lookup() functions in net/core/filter.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/3046a827316c0e55fc563b4fb78c93b9ca5c7c37
- https://git.kernel.org/stable/c/516760f1d2979903eaad5b437256913c5cd98416
- https://git.kernel.org/stable/c/5a62b5ba4c0ce8315b6382cd4ace81b48cd121cd
- https://git.kernel.org/stable/c/8ffe2e50e9678c8373027492035f094b130437f1
- https://git.kernel.org/stable/c/b03607437ea81b850599f705096b05b85e7a4a71
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.51