CVE-2023-52810

High

In the Linux kernel, the following vulnerability has been resolved: fs/jfs: Add check for negative db_l2nbperpage l2nbperpage is log2(number of blks per page), and the minimum legal value should be 0, not negative. In the case of l2nbperpage being negative, an error will occur when subsequently used as shift exponent. Syzbot reported this bug: UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:799:12 shift exponent -16777216 is negative

Package Linux Kernel
Published 2024-05-21
Last modified 2025-04-02
CVSS version 3.1
Patch available
Awaiting data

CVSS 3.1 score

8.4

out of 10
High
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Vector string
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness type

CWE-1335

CVE-2023-52810 is classified as CWE-1335

See CWE-1335 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2023-52810 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Frequently asked questions

  • What is CVE-2023-52810?

    CVE-2023-52810 is a High severity Linux kernel vulnerability with a CVSS score of 8.4 out of 10 . CVE-2023-52810 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2023-52810?

    CVE-2023-52810 has a CVSS score of 8.4 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H .

  • Is there a patch available for CVE-2023-52810?

    No patch is currently available for CVE-2023-52810. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • Is CVE-2023-52810 actively exploited?

    No — CVE-2023-52810 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.