#VU63659 Use-after-free in Linux kernel


Published: 2022-05-25

Vulnerability identifier: #VU63659

Vulnerability risk: Low

CVSSv3.1:

CVE-ID: CVE-2021-3483

CWE-ID: CWE-416

Exploitation vector: Local

Exploit availability: No

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

Vendor: Linux Foundation

Description

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

The vulnerability exists due to a use-after-free error in the Nosy driver in the Linux kernel. A local user can trigger use-after-free and to escalate privileges on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Linux kernel: All versions


CPE

External links
http://www.openwall.com/lists/oss-security/2021/04/07/1
http://bugzilla.redhat.com/show_bug.cgi?id=1948045
http://lists.debian.org/debian-lts-announce/2021/06/msg00019.html
http://lists.debian.org/debian-lts-announce/2021/06/msg00020.html
http://security.netapp.com/advisory/ntap-20210629-0002/


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?


Latest bulletins with this vulnerability