CVE-2024-49962 ACPICA: check null return of ACPI_ALLOCATE_ZEROED() in acpi_db_convert_to_package()
A missing null check in the Linux kernel's ACPICA component can lead to a null pointer dereference, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-49962?
CVE-2024-49962 is a medium-severity vulnerability in Linux kernel, published on 21 Oct 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
ACPICA: check null return of ACPI_ALLOCATE_ZEROED() in acpi_db_convert_to_package()
ACPICA commit 4d4547cf13cca820ff7e0f859ba83e1a610b9fd0
ACPI_ALLOCATE_ZEROED() may fail, elements might be NULL and will cause NULL pointer dereference later.
[ rjw: Subject and changelog edits ]
Weakness: CWE-476
Which versions are affected by CVE-2024-49962?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-49962?
Apply the vendor's patch.
Is CVE-2024-49962 being exploited?
There is no known exploitation of CVE-2024-49962 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-51778, BELL-CVE-2024-49962, DEBIAN-CVE-2024-49962, GHSA-p237-mjc7-7qqj, UBUNTU-CVE-2024-49962.