CVE-2022-49697 is a memory leak vulnerability in the Linux kernel's BPF socket lookup helpers. It occurs when a BPF program performs a socket lookup, finds a request_socket, but fails to decrement its reference count before returning the parent LISTEN socket, leading to a request_sock slab object leak. This vulnerability is rated Medium severity (CVSS 5.5) with a local attack vector and low attack complexity, primarily impacting availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 5.2, < 5.4.202CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.5, < 5.10.127CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.11, < 5.15.51CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.16, < 5.18.8CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
5.19CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.