NULL Pointer Dereference Affecting kernel-rt-debug-devel package, versions <0:4.18.0-348.rt7.130.el8
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Test your applications- Snyk ID SNYK-CENTOS8-KERNELRTDEBUGDEVEL-2127702
- published 26 Jul 2021
- disclosed 22 Mar 2021
Introduced: 22 Mar 2021
CVE-2021-28971 Open this link in a new tabHow to fix?
Upgrade Centos:8
kernel-rt-debug-devel
to version 0:4.18.0-348.rt7.130.el8 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug-devel
package and not the kernel-rt-debug-devel
package as distributed by Centos
.
See How to fix?
for Centos:8
relevant fixed versions and status.
In intel_pmu_drain_pebs_nhm in arch/x86/events/intel/ds.c in the Linux kernel through 5.11.8 on some Haswell CPUs, userspace applications (such as perf-fuzzer) can cause a system crash because the PEBS status in a PEBS record is mishandled, aka CID-d88d05a9e0b6.
References
- https://security.netapp.com/advisory/ntap-20210430-0003/
- https://access.redhat.com/security/cve/CVE-2021-28971
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4VCKIOXCOZGXBEZMO5LGGV5MWCHO6FT3/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PTRNPQTZ4GVS46SZ4OBXY5YDOGVPSTGQ/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T2S3I4SLRNRUQDOFYUS6IUAZMQNMPNLG/
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d88d05a9e0b6d9356e97129d4ff9942d765f46ea
- https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html
- https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html
- https://access.redhat.com/errata/RHSA-2021:4140
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4VCKIOXCOZGXBEZMO5LGGV5MWCHO6FT3/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PTRNPQTZ4GVS46SZ4OBXY5YDOGVPSTGQ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T2S3I4SLRNRUQDOFYUS6IUAZMQNMPNLG/