Improper Input Validation Affecting bpftool package, versions <0:4.18.0-305.17.1.el8_4


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.07% (35th percentile)

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  • Snyk IDSNYK-RHEL8-BPFTOOL-4099773
  • published30 Jul 2021
  • disclosed23 Jul 2021

Introduced: 23 Jul 2021

CVE-2021-37576  (opens in a new tab)
CWE-20  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade RHEL:8 bpftool to version 0:4.18.0-305.17.1.el8_4 or higher.
This issue was patched in RHSA-2021:3447.

NVD Description

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

arch/powerpc/kvm/book3s_rtas.c in the Linux kernel through 5.13.5 on the powerpc platform allows KVM guest OS users to cause host OS memory corruption via rtas_args.nargs, aka CID-f62f3c20647e.

CVSS Scores

version 3.1