CVE-2022-45919 Use after free in n/a
A use-after-free in the Linux kernel DVB CA driver allows local attackers to potentially execute code or escalate privileges via a race condition during device disconnect.
- 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-2022-45919?
CVE-2022-45919 is a high-severity use after free vulnerability in Linux kernel, published on 27 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An issue was discovered in the Linux kernel through 6.0.10. In drivers/media/dvb-core/dvb_ca_en50221.c, a use-after-free can occur is there is a disconnect after an open, because of the lack of a wait_event.
Weakness: CWE-416
Which versions are affected by CVE-2022-45919?
It affects 6 products.
Products include Linux kernel, Netapp H300s Firmware, Netapp H410c Firmware, Netapp H410s Firmware, Netapp H500s Firmware, Netapp H700s Firmware.
How do I fix CVE-2022-45919?
Apply the vendor's patch.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2022-45919 being exploited?
There is no known exploitation of CVE-2022-45919 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-11469, DEBIAN-CVE-2022-45919, GHSA-68h2-hwxh-w85g, UBUNTU-CVE-2022-45919.