Out-of-bounds Read Affecting kernel-debug-devel package, versions <0:4.18.0-372.13.1.el8_6
Threat Intelligence
EPSS
0.04% (6th
percentile)
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Test your applications- Snyk ID SNYK-RHEL8-KERNELDEBUGDEVEL-4313120
- published 26 Jul 2021
- disclosed 16 Nov 2020
Introduced: 16 Nov 2020
CVE-2020-28915 Open this link in a new tabHow to fix?
Upgrade RHEL:8 kernel-debug-devel to version 0:4.18.0-372.13.1.el8_6 or higher.
This issue was patched in RHSA-2022:5316.
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.
A buffer over-read (at the framebuffer layer) in the fbcon code in the Linux kernel before 5.8.15 could be used by local attackers to read kernel memory, aka CID-6735b4632def.
References
- https://access.redhat.com/security/cve/CVE-2020-28915
- https://bugzilla.suse.com/show_bug.cgi?id=1178886
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.15
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5af08640795b2b9a940c9266c0260455377ae262
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6735b4632def0640dbdf4eb9f99816aca18c4f16
- https://syzkaller.appspot.com/bug?id=08b8be45afea11888776f897895aef9ad1c3ecfd
- https://access.redhat.com/errata/RHSA-2022:5316
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