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-2023-52810

22
FAUCET Score

CVE-2023-52810 is a shift-out-of-bounds vulnerability in the Linux kernel's JFS filesystem, specifically affecting the 'db_l2nbperpage' variable. This flaw, discovered by Syzbot, arises when 'l2nbperpage' becomes negative, leading to an error during subsequent use as a shift exponent. It carries a CVSS score of 8.4 (HIGH), indicating a local attack vector with low complexity, potentially leading to high impact on confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.14.331CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.15, < 4.19.300CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.20, < 5.4.262CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.10.202CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.11, < 5.15.140CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.4HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.5
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.27%
Probability of exploitation in next 30 days
EPSS Percentile
18.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0027 is in the 19th percentile among its peer group of 3,237 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.5 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-2023-52810Moderate

kernel: fs/jfs: Add check for negative db_l2nbperpage

May 21, 2024

References

git.kernel.org / stable/c/0cb567e727339a192f9fd0db00781d73a91d15a6
Patch
git.kernel.org / stable/c/1a7c53fdea1d189087544d9a606d249e93c4934b
Patch
git.kernel.org / stable/c/491085258185ffc4fb91555b0dba895fe7656a45
Patch
git.kernel.org / stable/c/524b4f203afcf87accfe387e846f33f916f0c907
Patch
git.kernel.org / stable/c/525b861a008143048535011f3816d407940f4bfa
Patch
git.kernel.org / stable/c/5f148b16972e5f4592629b244d5109b15135f53f
Patch
git.kernel.org / stable/c/8f2964df6bfce9d92d81ca552010b8677af8d9dc
Patch
git.kernel.org / stable/c/a81a56b4cbe3142cc99f6b98e8f9b3a631c768e1
Patch
git.kernel.org / stable/c/cc61fcf7d1c99f148fe8ddfb5c6ed0bb75861f01
Patch