Use After Free Affecting kernel-bootwrapper package, versions <0:3.10.0-957.72.1.el7
Threat Intelligence
EPSS
0.04% (6th
percentile)
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Test your applications- Snyk ID SNYK-RHEL7-KERNELBOOTWRAPPER-4954767
- published 26 Jul 2021
- disclosed 8 Jun 2020
Introduced: 8 Jun 2020
CVE-2020-15436 Open this link in a new tabHow to fix?
Upgrade RHEL:7 kernel-bootwrapper to version 0:3.10.0-957.72.1.el7 or higher.
This issue was patched in RHSA-2021:1376.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-bootwrapper package and not the kernel-bootwrapper package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
Use-after-free vulnerability in fs/block_dev.c in the Linux kernel before 5.8 allows local users to gain privileges or cause a denial of service by leveraging improper access to a certain error field.
CVSS Scores
version 3.1