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CVE-2023-52897

16
FAUCET Score

CVE-2023-52897 is a medium-severity vulnerability affecting the Linux kernel's Btrfs filesystem. It involves a warning (WARN_ON) that triggers during a qgroup rescan operation due to an incorrect assumption about the 'old_roots' field in qgroup records. The vulnerability has a CVSS score of 4.7 (medium), indicating a local attack vector with high attack complexity and a potential impact of high availability loss. There is no evidence of active exploitation, nor are there any public exploit codes or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 6.1, < 6.1.8CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
6.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:6.2:rc1:*:*:*:*:*:*
6.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:6.2:rc2:*:*:*:*:*:*
6.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:6.2:rc3:*:*:*:*:*:*
6.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:6.2:rc4:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.7MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.0
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.20%
Probability of exploitation in next 30 days
EPSS Percentile
9.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0020 is in the 49th percentile among its peer group of 1,297 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 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 0.4 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2023-52897Moderate

kernel: btrfs: qgroup: do not warn on record without old_roots populated

Aug 21, 2024

References

git.kernel.org / stable/c/75181406b4eafacc531ff2ee5fb032bd93317e2b
Patch
git.kernel.org / stable/c/bb2c2e62539f2b63c5e0beb51501d328260c7595
Patch