#VU64259 Information disclosure in Linux kernel - CVE-2022-0494
Vulnerability identifier: #VU64259
Vulnerability risk: Low
CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID:
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 excessive data output in the scsi_ioctl() function in drivers/scsi/scsi_ioctl.c in the Linux kernel. A local user with a special user privilege (CAP_SYS_ADMIN or CAP_SYS_RAWIO) can gain unauthorized access to sensitive information on the system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Linux kernel: before 5.17, 5.17
External links
https://bugzilla.redhat.com/show_bug.cgi?id=2039448
https://lore.kernel.org/all/20220216084038.15635-1-tcs.kernel@gmail.com/
https://www.debian.org/security/2022/dsa-5161
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
