CVE-2022-49999 describes a race condition in the Linux kernel's Btrfs filesystem, specifically affecting the space cache mechanism. This flaw can lead to corruption of the free space cache, resulting in errors like "unable to add free space," missing free space information, or double-accounted space. The vulnerability impacts Linux kernel versions utilizing Btrfs. The vulnerability is rated HIGH with a CVSS score of 7.8. It involves a local attack vector (AV:L) with low attack complexity (AC:L) and requires low privileges (PR:L). Successful exploitation can lead to high impacts on confidentiality, integrity, and availability (C:H/I:H/A:H) due to potential filesystem corruption and data loss. There is currently no evidence of active exploitation for CVE-2022-49999. No public exploit code or Metasploit modules are available, and there is no significant community discussion or media coverage surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 5.12, < 5.15.65CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.16, < 5.19.6CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
6.0CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:6.0:rc1:*:*:*:*:*:* | ||
6.0CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:6.0:rc2:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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.