CVE-2023-53396 is a memory leak vulnerability in the Linux kernel's UBIFS file system, specifically affecting the do_rename function when renaming files in encrypted directories. The vulnerability, rated Medium (CVSS 5.5), is due to unfreed memory allocated by fscrypt_setup_filename, leading to a denial of service (A:H) through memory exhaustion. This local (AV:L) vulnerability requires low privileges (PR:L) and has low attack complexity (AC:L). There is currently no evidence of active exploitation, public exploit code, or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 5.15.33, < 5.15.112CPE match | cpe:2.3:a:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.16.19, < 5.17CPE match | cpe:2.3:a:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.17.2, < 5.18CPE match | cpe:2.3:a:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.15.33, < 5.15.112CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.16.19, < 5.17CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
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
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.