Integer Overflow or Wraparound Affecting kernel-uek-doc package, versions <0:5.4.17-2136.302.6.1.el8uek


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-ORACLE8-KERNELUEKDOC-2602822
  • published10 Apr 2022
  • disclosed2 Oct 2021

Introduced: 2 Oct 2021

CVE-2021-41864  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

Upgrade Oracle:8 kernel-uek-doc to version 0:5.4.17-2136.302.6.1.el8uek or higher.
This issue was patched in ELSA-2021-9621.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-uek-doc package and not the kernel-uek-doc package as distributed by Oracle. See How to fix? for Oracle:8 relevant fixed versions and status.

prealloc_elems_and_freelist in kernel/bpf/stackmap.c in the Linux kernel before 5.14.12 allows unprivileged users to trigger an eBPF multiplication integer overflow with a resultant out-of-bounds write.

CVSS Scores

version 3.1