#VU51453 Information disclosure in Linux kernel


Published: 2021-03-15

Vulnerability identifier: #VU51453

Vulnerability risk: Low

CVSSv3.1:

CVE-ID: CVE-2021-27363

CWE-ID: CWE-200

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 gain access to potentially sensitive information.

The vulnerability exists due to the show_transport_handle() shows iSCSI transport handle to non-root users. A local user can gain unauthorized access to sensitive information and use it along with another vulnerability, such as #VU51452, to 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


CPE

External links
http://www.openwall.com/lists/oss-security/2021/03/06/1
http://bugzilla.suse.com/show_bug.cgi?id=1182716
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


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?


Latest bulletins with this vulnerability