CVE-2022-49068 is a vulnerability in the Linux kernel's Btrfs filesystem, specifically affecting the direct I/O write path. It occurs when the system fails to correctly release reserved delalloc amounts, leading to outstanding extents and a kernel warning during inode destruction. This issue has a CVSSv3.1 score of 5.5 (Medium), indicating a local attack vector with low complexity, requiring local privileges, and resulting in high availability impact (system crash/denial of service). There is no evidence of active exploitation, public exploit code, or significant community discussion, suggesting it is not currently a high-profile threat.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 5.15.27, < 5.15.35CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.16.13, < 5.17.4CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
5.18CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:5.18:rc1:*:*:*:*:*:* | ||
5.18CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:5.18:rc2:*:*:*:*:*:* | ||
>= 5.15.27, < 5.15.35CPE match | cpe:2.3:a: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.