CVE-2022-24448 is a low-severity vulnerability affecting the Linux kernel, specifically versions prior to 5.16.5, including Debian distributions. It arises when an application attempts to open a regular file with the O_DIRECTORY flag, causing the NFS client to return uninitialized data in the file descriptor instead of the expected ENOTDIR error. The vulnerability has a CVSS score of 3.3, indicating a local attack vector with low complexity and a potential for limited confidentiality impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 5.16.5CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | ||
10.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | ||
11.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
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No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
An issue was discovered in fs/nfs/dir.c in the Linux kernel before 5.16.5. If an application sets the O_DIRECTORY flag and tries to open a regular file nfs_atomic_open() performs a regular lookup. If a regular file is found ENOTDIR should occur but the server instead returns uninitialized data in the file descriptor.
Feb 8, 2022kernel: nfs_atomic_open() returns uninitialized data instead of ENOTDIR
Feb 4, 2022OVMSA-2024-0010: Unbreakable Enterprise kernel security update (IMPORTANT)