CVE-2023-53136 is a memory leak vulnerability in the Linux kernel's af_unix subsystem, specifically affecting its out-of-band (OOB) message handling. The flaw occurs because the system fails to properly release references to process IDs (PIDs) when processing OOB messages, leading to resource exhaustion. Rated as HIGH severity with a CVSS score of 7.1, this local vulnerability (AV:L) could allow an authenticated attacker to cause a denial of service (A:H) or potentially gain access to sensitive information (C:H) due to the memory leak. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 5.15, < 5.15.103CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.16, < 6.1.20CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 6.2, < 6.2.7CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
6.3CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:6.3:rc1:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.