Reachable assertion in Linux kernel - CVE-2017-12168
Published: September 20, 2017 / Updated: January 25, 2024
Vulnerability identifier: #VU90919
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-12168
CWE-ID: CWE-617
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local privileged user to a crash the entire system.
The vulnerability exists due to reachable assertion within the access_pmu_evcntr() function in arch/arm64/kvm/sys_regs.c. A local privileged user can a crash the entire system.
How to mitigate CVE-2017-12168
Install update from vendor's website.
Sources
- https://github.com/torvalds/linux/commit/9e3f7a29694049edd728e2400ab57ad7553e5aa9
- https://bugzilla.redhat.com/show_bug.cgi?id=1492984
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.11
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9e3f7a29694049edd728e2400ab57ad7553e5aa9