Improper Access Control Affecting kernel-rt-modules package, versions <0:4.18.0-193.14.3.rt13.67.el8_2
Threat Intelligence
EPSS
0.05% (19th
percentile)
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Test your applications- Snyk ID SNYK-CENTOS8-KERNELRTMODULES-2045113
- published 26 Jul 2021
- disclosed 15 Jun 2020
Introduced: 15 Jun 2020
CVE-2020-15780 Open this link in a new tabHow to fix?
Upgrade Centos:8 kernel-rt-modules to version 0:4.18.0-193.14.3.rt13.67.el8_2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt-modules package and not the kernel-rt-modules package as distributed by Centos.
See How to fix? for Centos:8 relevant fixed versions and status.
An issue was discovered in drivers/acpi/acpi_configfs.c in the Linux kernel before 5.7.7. Injection of malicious ACPI tables via configfs could be used by attackers to bypass lockdown and secure boot restrictions, aka CID-75b0cea7bf30.
References
- https://access.redhat.com/security/cve/CVE-2020-15780
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.7
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=75b0cea7bf307f362057cc778efe89af4c615354
- https://git.zx2c4.com/american-unsigned-language/tree/american-unsigned-language-2.sh
- https://www.openwall.com/lists/oss-security/2020/06/15/3
- http://www.openwall.com/lists/oss-security/2020/07/20/7
- http://www.openwall.com/lists/oss-security/2020/07/29/3
- http://www.openwall.com/lists/oss-security/2020/07/30/2
- http://www.openwall.com/lists/oss-security/2020/07/30/3
- https://access.redhat.com/errata/RHSA-2020:3219
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00047.html
- https://usn.ubuntu.com/4425-1/
- https://usn.ubuntu.com/4426-1/
- https://usn.ubuntu.com/4439-1/
- https://usn.ubuntu.com/4440-1/
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