#VU61672 Heap-based buffer overflow


Published: 2022-03-30

Vulnerability identifier: #VU61672

Vulnerability risk: Low

CVSSv3.1:

CVE-ID: CVE-2022-27666

CWE-ID: CWE-122

Exploitation vector: Local

Exploit availability: Yes

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor:

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within IPsec ESP transformation code in net/ipv4/esp4.c and net/ipv6/esp6.c in Linux kernel. A local unprivileged user can pass specially crafted data to the system, trigger a heap-based buffer overflow and execute arbitrary code with elevated privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions


External links
http://bugzilla.redhat.com/show_bug.cgi?id=2061633
http://github.com/torvalds/linux/commit/ebe48d368e97d007bfeb76fcb065d6cfc4c96645


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?


Latest bulletins with this vulnerability