Improper Handling of Exceptional Conditions Affecting kernel-uek-devel package, versions <0:5.4.17-2102.201.3.el8uek


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-ORACLE8-KERNELUEKDEVEL-2598738
  • published10 Apr 2022
  • disclosed22 Mar 2021

Introduced: 22 Mar 2021

CVE-2021-28971  (opens in a new tab)
CWE-755  (opens in a new tab)

How to fix?

Upgrade Oracle:8 kernel-uek-devel to version 0:5.4.17-2102.201.3.el8uek or higher.
This issue was patched in ELSA-2021-9220.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-uek-devel package and not the kernel-uek-devel package as distributed by Oracle. See How to fix? for Oracle: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.

CVSS Scores

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