CVE-2019-25045 Use after free in n/a
A use-after-free in the Linux kernel XFRM subsystem allows attackers to cause a system panic or potentially execute code.
- 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-2019-25045?
CVE-2019-25045 is a high-severity use after free vulnerability in Linux kernel, published on 7 Jun 2021. 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 before 5.0.19. The XFRM subsystem has a use-after-free, related to an xfrm_state_fini panic, aka CID-dbb2483b2a46.
Weakness: CWE-416
Which versions are affected by CVE-2019-25045?
It affects 22 products.
Products include Linux kernel, Netapp Aff 8300 Firmware, Netapp Aff 8700 Firmware, Netapp Aff A400 Firmware, Netapp Aff A700s Firmware, Netapp Cloud Backup and 16 more.
How do I fix CVE-2019-25045?
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-2019-25045 being exploited?
There is no known exploitation of CVE-2019-25045 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as A-191191823, DEBIAN-CVE-2019-25045, GHSA-fg9g-84vm-38p5, PUB-A-191191823, UBUNTU-CVE-2019-25045.