Out-of-bounds Write Affecting kernel-debug-devel package, versions <0:4.18.0-240.el8
Threat Intelligence
EPSS
0.05% (16th
percentile)
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Test your applications- Snyk ID SNYK-RHEL8-KERNELDEBUGDEVEL-3826502
- published 26 Jul 2021
- disclosed 4 Apr 2020
Introduced: 4 Apr 2020
CVE-2019-20636 Open this link in a new tabHow to fix?
Upgrade RHEL:8 kernel-debug-devel to version 0:4.18.0-240.el8 or higher.
This issue was patched in RHSA-2020:4431.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-debug-devel package and not the kernel-debug-devel package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
In the Linux kernel before 5.4.12, drivers/input/input.c has out-of-bounds writes via a crafted keycode table, as demonstrated by input_set_keycode, aka CID-cb222aed03d7.
References
- https://security.netapp.com/advisory/ntap-20200430-0004/
- https://access.redhat.com/security/cve/CVE-2019-20636
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.12
- https://github.com/torvalds/linux/commit/cb222aed03d798fc074be55e59d9a112338ee784
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cb222aed03d798fc074be55e59d9a112338ee784
- https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
- https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
- https://access.redhat.com/errata/RHSA-2020:4431
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