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CVE-2022-48833

17
FAUCET Score

CVE-2022-48833 is a vulnerability in the Linux kernel's Btrfs filesystem that can lead to a denial of service (system crash) during unmount operations. This occurs when log tree extent buffers fail to clean up space reservations after a transaction abort, causing an I/O error and a subsequent kernel warning. The vulnerability has a CVSS v3.1 score of 5.5 (Medium), indicating a local attack vector with low attack complexity, requiring low privileges, and resulting in high availability impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.4.165, < 5.5CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.10.85, < 5.11CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.15.8, < 5.15.31CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.15.11, < 5.16CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.16.1, < 5.16.17CPE 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
0.24%
Probability of exploitation in next 30 days
EPSS Percentile
14.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0024 is in the 65th 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 (2)

redhatCVE-2022-48833Moderate

kernel: btrfs: skip reserved bytes warning on unmount after log cleanup failure

Jul 16, 2024
microsoft2024-Jul/CVE-2022-48833Moderate

btrfs: skip reserved bytes warning on unmount after log cleanup failure

Jul 9, 2024

References

git.kernel.org / stable/c/40cdc509877bacb438213b83c7541c5e24a1d9ec
Patch
git.kernel.org / stable/c/44557a8f539a822c91238c1f95a95f98a5093d82
Patch
git.kernel.org / stable/c/4c5d94990fa2fd609360ecd0f7e183212a7d115c
Patch