Missing Initialization of a Variable Affecting kernel-modules-extra package, versions <0:4.18.0-147.el8
Threat Intelligence
EPSS
0.04% (12th
percentile)
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk ID SNYK-CENTOS8-KERNELMODULESEXTRA-1998420
- published 26 Jul 2021
- disclosed 11 May 2019
How to fix?
Upgrade Centos:8 kernel-modules-extra to version 0:4.18.0-147.el8 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-modules-extra package and not the kernel-modules-extra package as distributed by Centos.
See How to fix? for Centos:8 relevant fixed versions and status.
fs/ext4/extents.c in the Linux kernel through 5.1.2 does not zero out the unused memory region in the extent tree block, which might allow local users to obtain sensitive information by reading uninitialized data in the filesystem.
References
- http://www.securityfocus.com/bid/108372
- https://seclists.org/bugtraq/2019/Jun/26
- https://access.redhat.com/security/cve/CVE-2019-11833
- https://www.debian.org/security/2019/dsa-4465
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GJGZIMGB72TL7OGWRMHIL43WHXFQWU4X/
- http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html
- https://github.com/torvalds/linux/commit/592acbf16821288ecdc4192c47e3774a4c48bb64
- https://lists.debian.org/debian-lts-announce/2019/06/msg00010.html
- https://lists.debian.org/debian-lts-announce/2019/06/msg00011.html
- https://access.redhat.com/errata/RHSA-2019:3517
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00071.html
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html
- https://usn.ubuntu.com/4068-1/
- https://usn.ubuntu.com/4068-2/
- https://usn.ubuntu.com/4069-1/
- https://usn.ubuntu.com/4069-2/
- https://usn.ubuntu.com/4076-1/
- https://usn.ubuntu.com/4095-2/
- https://usn.ubuntu.com/4118-1/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GJGZIMGB72TL7OGWRMHIL43WHXFQWU4X/
CVSS Scores
version 3.1