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
0.32% (71st percentile)

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  • Snyk IDSNYK-RHEL8-BPFTOOL-4078631
  • published17 Aug 2021
  • disclosed13 Jun 2021

Introduced: 13 Jun 2021

CVE-2021-38201  (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.

net/sunrpc/xdr.c in the Linux kernel before 5.13.4 allows remote attackers to cause a denial of service (xdr_set_page_base slab-out-of-bounds access) by performing many NFS 4.2 READ_PLUS operations.

CVSS Scores

version 3.1