#VU67587 Improper access control


Published: 2022-09-22

Vulnerability identifier: #VU67587

Vulnerability risk: Low

CVSSv3.1:

CVE-ID: CVE-2022-40768

CWE-ID: CWE-284

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 sensitive information.

The vulnerability exists due to improper access restrictions in the drivers/scsi/stex.c in the Linux kernel. A local user can obtain sensitive information from kernel memory because stex_queuecommand_lck lacks a memset for the PASSTHRU_CMD case.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Linux kernel: All versions


CPE

External links
http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/drivers/scsi/stex.c
http://www.openwall.com/lists/oss-security/2022/09/09/1
http://lore.kernel.org/all/20220908145154.2284098-1-gregkh@linuxfoundation.org/
http://www.openwall.com/lists/oss-security/2022/09/19/1


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?


Latest bulletins with this vulnerability