CVE-2023-52686

Name: CVE-2023-52686
Creator: NVD / NIST
Published: 2024-05-17T15:15:19.733+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.26%

Last modified Jun 17, 2026

CVE-2023-52686 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. In the Linux kernel, the following vulnerability has been resolved: powerpc/powernv: Add a null pointer check in opal_event_init() kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure.. EPSS estimates a 0.26% chance of exploitation in the next 30 days.

Description

In the Linux kernel, the following vulnerability has been resolved: powerpc/powernv: Add a null pointer check in opal_event_init() kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.26%

17.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	>= 4.11, < 4.19.306
Linux	Linux Kernel	>= 4.20, < 5.4.268
Linux	Linux Kernel	>= 5.5, < 5.10.209
Linux	Linux Kernel	>= 5.11, < 5.15.148
Linux	Linux Kernel	>= 5.16, < 6.1.75
Linux	Linux Kernel	>= 6.2, < 6.6.14
Linux	Linux Kernel	>= 6.7, < 6.7.2
Debian	Debian Linux	10.0

References

https://git.kernel.org/stable/c/8422d179cf46889c15ceff9ede48c5bfa4e7f0b4Mailing List, Patch
https://git.kernel.org/stable/c/8649829a1dd25199bbf557b2621cedb4bf9b3050Mailing List, Patch
https://git.kernel.org/stable/c/9a523e1da6d88c2034f946adfa4f74b236c95ca9Mailing List, Patch
https://git.kernel.org/stable/c/a14c55eb461d630b836f80591d8caf1f74e62877Mailing List, Patch
https://git.kernel.org/stable/c/c0b111ea786ddcc8be0682612830796ece9436c7Mailing List, Patch
https://git.kernel.org/stable/c/e08c2e275fa1874de945b87093f925997722ee42Mailing List, Patch
https://git.kernel.org/stable/c/e6ad05e3ae9c84c5a71d7bb2d44dc845ae7990cfMailing List, Patch
https://git.kernel.org/stable/c/e93d7cf4c1ddbcd846739e7ad849f955a4f18031Mailing List, Patch
https://git.kernel.org/stable/c/8422d179cf46889c15ceff9ede48c5bfa4e7f0b4Mailing List, Patch
https://git.kernel.org/stable/c/8649829a1dd25199bbf557b2621cedb4bf9b3050Mailing List, Patch
https://git.kernel.org/stable/c/9a523e1da6d88c2034f946adfa4f74b236c95ca9Mailing List, Patch
https://git.kernel.org/stable/c/a14c55eb461d630b836f80591d8caf1f74e62877Mailing List, Patch
https://git.kernel.org/stable/c/c0b111ea786ddcc8be0682612830796ece9436c7Mailing List, Patch
https://git.kernel.org/stable/c/e08c2e275fa1874de945b87093f925997722ee42Mailing List, Patch
https://git.kernel.org/stable/c/e6ad05e3ae9c84c5a71d7bb2d44dc845ae7990cfMailing List, Patch
https://git.kernel.org/stable/c/e93d7cf4c1ddbcd846739e7ad849f955a4f18031Mailing List, Patch
https://lists.debian.org/debian-lts-announce/2024/06/msg00016.htmlMailing List

Timeline

Published: May 17, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2023-52686?

How severe is CVE-2023-52686?

CVE-2023-52686 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.26% probability of exploitation in the next 30 days.

How do I fix CVE-2023-52686?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-52686?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST