NULL Pointer Dereference Affecting kernel-azure package, versions <4.12.14-5.19.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-SLES150-KERNELAZURE-2757518
- published14 Apr 2022
- disclosed23 Jan 2019
Introduced: 23 Jan 2019
CVE-2018-19407 (opens in a new tab)How to fix?
Upgrade SLES:15.0 kernel-azure to version 4.12.14-5.19.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-azure package and not the kernel-azure package as distributed by SLES.
See How to fix? for SLES:15.0 relevant fixed versions and status.
The vcpu_scan_ioapic function in arch/x86/kvm/x86.c in the Linux kernel through 4.19.2 allows local users to cause a denial of service (NULL pointer dereference and BUG) via crafted system calls that reach a situation where ioapic is uninitialized.
References
- https://www.suse.com/security/cve/CVE-2018-19407.html
- https://bugzilla.suse.com/1116841
- http://www.securityfocus.com/bid/105987
- https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html
- https://lkml.org/lkml/2018/11/20/580
- https://usn.ubuntu.com/3871-1/
- https://usn.ubuntu.com/3871-3/
- https://usn.ubuntu.com/3871-4/
- https://usn.ubuntu.com/3871-5/
- https://usn.ubuntu.com/3872-1/
- https://usn.ubuntu.com/3878-1/
- https://usn.ubuntu.com/3878-2/
- https://usn.ubuntu.com/3879-1/
- https://usn.ubuntu.com/3879-2/