Vulnerability identifier: #VU51452

Vulnerability risk: Low

CVSSv3.1:

CVE-ID: CVE-2021-27364

CWE-ID: CWE-264

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 iscsi_if_recv_msg() allows non-root users to connect and send commands to the Linux kernel. A local user can escalate privileges on the system.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Linux kernel: All versions

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CPE

• cpe:2.3:o:linux_foundation:linux_kernel:*:*:*:*:*:*:*:*

External links
http://bugzilla.suse.com/show_bug.cgi?id=1182717
http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=688e8128b7a92df982709a4137ea4588d16f24aa
http://lists.debian.org/debian-lts-announce/2021/03/msg00010.html
http://www.openwall.com/lists/oss-security/2021/03/06/1

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?