vulnerability
Ubuntu: (CVE-2017-12168): linux-hwe-edge vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:N/C:N/I:N/A:C) | Sep 20, 2017 | Nov 19, 2024 | Nov 19, 2024 |
Severity
5
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
Published
Sep 20, 2017
Added
Nov 19, 2024
Modified
Nov 19, 2024
Description
The access_pmu_evcntr function in arch/arm64/kvm/sys_regs.c in the Linux kernel before 4.8.11 allows privileged KVM guest OS users to cause a denial of service (assertion failure and host OS crash) by accessing the Performance Monitors Cycle Count Register (PMCCNTR).
Solution
ubuntu-upgrade-linux-hwe-edge
References
- CVE-2017-12168
- https://attackerkb.com/topics/CVE-2017-12168
- URL-http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9e3f7a29694049edd728e2400ab57ad7553e5aa9
- URL-http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.11
- URL-https://bugzilla.redhat.com/show_bug.cgi?id=1492984
- URL-https://git.kernel.org/linus/9e3f7a29694049edd728e2400ab57ad7553e5aa9
- URL-https://github.com/torvalds/linux/commit/9e3f7a29694049edd728e2400ab57ad7553e5aa9
- URL-https://www.cve.org/CVERecord?id=CVE-2017-12168
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