CVE-2023-52686
What it is
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.
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of service disruption.
- Exploit odds
- 0.3% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.3% in the next 30 days (EPSS).
- Severity: 5.5 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.3% · EPSS, next 30 days
- Weakness
- CWE-476 · NULL pointer dereference
- Record status
- Analyzed
Affected
- Linux Kernel < 4.19.306
- Linux Kernel < 5.4.268
- Linux Kernel < 5.10.209
- Linux Kernel < 5.15.148
- Linux Kernel < 6.1.75
- Linux Kernel < 6.6.14
- Linux Kernel < 6.7.2
- Debian Linux 10.0
Attack profile CVSS 3.1 · 5.5
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2023-52686.md and follow it. Check whether this project is affected by CVE-2023-52686. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://git.kernel.org/stable/c/8422d179cf46889c15ceff9ede48c5bfa4e7f0b4
- https://git.kernel.org/stable/c/8649829a1dd25199bbf557b2621cedb4bf9b3050
- https://git.kernel.org/stable/c/9a523e1da6d88c2034f946adfa4f74b236c95ca9
- https://git.kernel.org/stable/c/a14c55eb461d630b836f80591d8caf1f74e62877
- https://git.kernel.org/stable/c/c0b111ea786ddcc8be0682612830796ece9436c7
- https://git.kernel.org/stable/c/e08c2e275fa1874de945b87093f925997722ee42
- https://git.kernel.org/stable/c/e6ad05e3ae9c84c5a71d7bb2d44dc845ae7990cf
- https://git.kernel.org/stable/c/e93d7cf4c1ddbcd846739e7ad849f955a4f18031
- https://git.kernel.org/stable/c/8422d179cf46889c15ceff9ede48c5bfa4e7f0b4
- https://git.kernel.org/stable/c/8649829a1dd25199bbf557b2621cedb4bf9b3050
References
- https://git.kernel.org/stable/c/8422d179cf46889c15ceff9ede48c5bfa4e7f0b4
- https://git.kernel.org/stable/c/8649829a1dd25199bbf557b2621cedb4bf9b3050
- https://git.kernel.org/stable/c/9a523e1da6d88c2034f946adfa4f74b236c95ca9
- https://git.kernel.org/stable/c/a14c55eb461d630b836f80591d8caf1f74e62877
- https://git.kernel.org/stable/c/c0b111ea786ddcc8be0682612830796ece9436c7
- https://git.kernel.org/stable/c/e08c2e275fa1874de945b87093f925997722ee42
- https://git.kernel.org/stable/c/e6ad05e3ae9c84c5a71d7bb2d44dc845ae7990cf
- https://git.kernel.org/stable/c/e93d7cf4c1ddbcd846739e7ad849f955a4f18031
- https://git.kernel.org/stable/c/8422d179cf46889c15ceff9ede48c5bfa4e7f0b4
- https://git.kernel.org/stable/c/8649829a1dd25199bbf557b2621cedb4bf9b3050
- https://git.kernel.org/stable/c/9a523e1da6d88c2034f946adfa4f74b236c95ca9
- https://git.kernel.org/stable/c/a14c55eb461d630b836f80591d8caf1f74e62877
- https://git.kernel.org/stable/c/c0b111ea786ddcc8be0682612830796ece9436c7
- https://git.kernel.org/stable/c/e08c2e275fa1874de945b87093f925997722ee42
- https://git.kernel.org/stable/c/e6ad05e3ae9c84c5a71d7bb2d44dc845ae7990cf
- https://git.kernel.org/stable/c/e93d7cf4c1ddbcd846739e7ad849f955a4f18031
- https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html