Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2022-48734

16
FAUCET Score

CVE-2022-48734 is a deadlock vulnerability in the Linux kernel's Btrfs filesystem, specifically affecting the interaction between quota disable operations and the qgroup rescan worker. This flaw can lead to a system hang. Rated as Medium severity (CVSS 5.5), it requires local access and low privileges (AV:L/PR:L) to trigger, resulting in high availability impact (A:H) by rendering the system unresponsive. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 5.4.178CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.10.99CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.11, < 5.15.22CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.16, < 5.16.8CPE 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
0.18%
Probability of exploitation in next 30 days
EPSS Percentile
7.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0018 is in the 41st percentile among its peer group of 15,940 CVEs.

Social Chatter

No social media mentions found for this CVE.

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-2022-48734Moderate

kernel: btrfs: fix deadlock between quota disable and qgroup rescan worker

Jun 20, 2024

References

git.kernel.org / stable/c/26b3901d20bf9da2c6a00cb1fb48932166f80a45
Patch
git.kernel.org / stable/c/31198e58c09e21d4f65c49d2361f76b87aca4c3f
Patch
git.kernel.org / stable/c/32747e01436aac8ef93fe85b5b523b4f3b52f040
Patch
git.kernel.org / stable/c/89d4cca583fc9594ee7d1a0bc986886d6fb587e6
Patch
git.kernel.org / stable/c/e804861bd4e69cc5fe1053eedcb024982dde8e48
Patch