Information Exposure Affecting kernel-rt-doc package, versions <0:3.10.0-957.rt56.910.el7
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-RHEL7-KERNELRTDOC-4880572
- published26 Jul 2021
- disclosed23 Apr 2018
Introduced: 23 Apr 2018
CVE-2018-1118 (opens in a new tab)How to fix?
Upgrade RHEL:7 kernel-rt-doc to version 0:3.10.0-957.rt56.910.el7 or higher.
This issue was patched in RHSA-2018:3096.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt-doc package and not the kernel-rt-doc package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
Linux kernel vhost since version 4.8 does not properly initialize memory in messages passed between virtual guests and the host operating system in the vhost/vhost.c:vhost_new_msg() function. This can allow local privileged users to read some kernel memory contents when reading from the /dev/vhost-net device file.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1118
- https://access.redhat.com/security/cve/CVE-2018-1118
- https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html
- https://access.redhat.com/errata/RHSA-2018:3096
- https://usn.ubuntu.com/3762-1/
- https://usn.ubuntu.com/3762-2/
- https://bugzilla.redhat.com/show_bug.cgi?id=1573699