Improper Cleanup on Thrown Exception Affecting kernel-rt-kvm package, versions <0:3.10.0-862.rt56.804.el7
Threat Intelligence
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Test your applications- Snyk IDSNYK-CENTOS7-KERNELRTKVM-2099122
- published26 Jul 2021
- disclosed8 Dec 2017
Introduced: 8 Dec 2017
CVE-2017-15127 (opens in a new tab)How to fix?
Upgrade Centos:7 kernel-rt-kvm to version 0:3.10.0-862.rt56.804.el7 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt-kvm package and not the kernel-rt-kvm package as distributed by Centos.
See How to fix? for Centos:7 relevant fixed versions and status.
A flaw was found in the hugetlb_mcopy_atomic_pte function in mm/hugetlb.c in the Linux kernel before 4.13. A superfluous implicit page unlock for VM_SHARED hugetlbfs mapping could trigger a local denial of service (BUG).
References
- http://www.securityfocus.com/bid/102517
- https://access.redhat.com/security/cve/CVE-2017-15127
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5af10dfd0afc559bb4b0f7e3e8227a1578333995
- https://bugzilla.redhat.com/show_bug.cgi?id=1525218
- https://github.com/torvalds/linux/commit/5af10dfd0afc559bb4b0f7e3e8227a1578333995
- https://access.redhat.com/errata/RHSA-2018:0676