CVE-2023-52838

Medium

In the Linux kernel, the following vulnerability has been resolved: fbdev: imsttfb: fix a resource leak in probe I've re-written the error handling but the bug is that if init_imstt() fails we need to call iounmap(par->cmap_regs).

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

CVSS 3.1 score

6.2

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

Weakness type

CWE-416

CVE-2023-52838 is a Use After Free vulnerability

What is Use After Free?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. Learn more on MITRE CWE

Affected versions

Linux kernel versions 4.19.291, 5.4.251, 5.10.188, 5.15.116, 6.1.33, 4.14.322, 6.3.7, 6.4 and later are affected. Fixed in 4.19.299, 5.4.261, 5.10.201, 5.15.139, 6.1.63, 6.5.12, 6.6.2, 6.7 and their respective stable series.

Affected from
≥ 4.19.291 ≥ 5.4.251 ≥ 5.10.188 ≥ 5.15.116 ≥ 6.1.33 ≥ 4.14.322 ≥ 6.3.7 ≥ 6.4
Fixed in
✓ 4.19.299 4.19.x ✓ 5.4.261 5.4.x ✓ 5.10.201 5.10.x ✓ 5.15.139 5.15.x ✓ 6.1.63 6.1.x ✓ 6.5.12 6.5.x ✓ 6.6.2 6.6.x ✓ 6.7

References

8 total
Showing 5 of 8 references View all on NVD

Frequently asked questions

  • What is CVE-2023-52838?

    CVE-2023-52838 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.2 out of 10 , classified as an Use After Free flaw (CWE-416) . It affects Linux kernel versions from 4.19.291 onward and has been patched in 4.19.299, 5.4.261, 5.10.201 and others. CVE-2023-52838 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2023-52838?

    CVE-2023-52838 has a CVSS score of 6.2 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H .

  • Is there a patch available for CVE-2023-52838?

    Yes. CVE-2023-52838 has been patched. Fixed versions include 4.19.299, 5.4.261, 5.10.201 and others. If you are running Linux kernel 4.19.291 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2023-52838 actively exploited?

    No. CVE-2023-52838 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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