#VU26406 Resource management error in Linux kernel - CVE-2019-19338
Published: March 26, 2020 / Updated: July 15, 2020
Vulnerability identifier: #VU26406
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2019-19338
CWE-ID: CWE-399
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to incomplete fix for Transaction Asynchronous Abort (TAA) issue on certain Intel CPUs (CVE-2019-11135). A local user on a guest operating system can exploit this vulnerability to gain access to sensitive information.
Remediation
Install updates from vendor's website.
External links
- https://www.openwall.com/lists/oss-security/2019/12/10/3
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cbbaa2727aa3ae9e0a844803da7cef7fd3b94f2b
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c11f83e0626bdc2b6c550fc8b9b6eeefbd8cefaa
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b07a5c53d42a8c87b208614129e947dd2338ff9c