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CVE-2022-49033

17
FAUCET Score

CVE-2022-49033 is a medium-severity vulnerability affecting the Linux kernel, specifically within the Btrfs filesystem's qgroup functionality. It involves a "sleep from invalid context" bug in the btrfs_qgroup_inherit() function, which could lead to system instability or crashes. The vulnerability has a CVSS score of 5.5, indicating a local attack vector with low complexity, requiring low privileges, and resulting in high availability impact (denial of service). There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.14.301CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.15, < 4.19.268CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.20, < 5.4.226CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.10.158CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.11, < 5.15.82CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.25%
Probability of exploitation in next 30 days
EPSS Percentile
16.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0025 is in the 69th percentile among its peer group of 15,940 CVEs.

Social Chatter

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.

Media 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.

Remediation

Vendor Advisories (1)

redhatCVE-2022-49033Moderate

kernel: btrfs: qgroup: fix sleep from invalid context bug in btrfs_qgroup_inherit()

Oct 21, 2024

References

git.kernel.org / stable/c/01d7c41eac9129fba80d8aed0060caab4a7dbe09
Patch
git.kernel.org / stable/c/044da1a371a0da579e805e89c96865f62d8f6f69
Patch
git.kernel.org / stable/c/3c98e91be6aea4c7acf09da6eb0c107ea9186bb5
Patch
git.kernel.org / stable/c/588ae4fdd8b11788a797776b10d6c44ae12bc133
Patch
git.kernel.org / stable/c/89840b12c8fad7200eb6478525c13261512c01be
Patch
git.kernel.org / stable/c/8eb912af525042a7365295eb62f6d5270c2a6462
Patch
git.kernel.org / stable/c/f4b930a1602b05e77fee31f9616599b25e910a86
Patch
git.kernel.org / stable/c/f7e942b5bb35d8e3af54053d19a6bf04143a3955
Patch