CVE-2023-52696 powerpc/powernv: Add a null pointer check in opal_powercap_init()
A missing null pointer check in the Linux kernel's powerpc/powernv driver can cause a crash if memory allocation fails.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-52696?
CVE-2023-52696 is a high-severity vulnerability in Debian Debian Linux, published on 17 May 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
powerpc/powernv: Add a null pointer check in opal_powercap_init()
kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure.
Weakness: CWE-476
Which versions are affected by CVE-2023-52696?
It affects 2 products.
Products include Debian Debian Linux, Linux kernel.
How do I fix CVE-2023-52696?
Apply the vendor's patch.
Is CVE-2023-52696 being exploited?
There is no known exploitation of CVE-2023-52696 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as AZL-43242, AZL-43303, BELL-CVE-2023-52696, DEBIAN-CVE-2023-52696, GHSA-g9gx-3ccx-85w8, UBUNTU-CVE-2023-52696.