CVE-2024-27046 Affecting bpftool package, versions <0:7.3.0-427.28.1.el9_4


Severity

Recommended
medium

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (15th percentile)

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  • Snyk IDSNYK-ORACLE9-BPFTOOL-7577766
  • published2 Aug 2024
  • disclosed1 May 2024

Introduced: 1 May 2024

CVE-2024-27046  (opens in a new tab)

How to fix?

Upgrade Oracle:9 bpftool to version 0:7.3.0-427.28.1.el9_4 or higher.
This issue was patched in ELSA-2024-4928.

NVD Description

Note: Versions mentioned in the description apply only to the upstream bpftool package and not the bpftool package as distributed by Oracle. See How to fix? for Oracle:9 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

nfp: flower: handle acti_netdevs allocation failure

The kmalloc_array() in nfp_fl_lag_do_work() will return null, if the physical memory has run out. As a result, if we dereference the acti_netdevs, the null pointer dereference bugs will happen.

This patch adds a check to judge whether allocation failure occurs. If it happens, the delayed work will be rescheduled and try again.

CVSS Scores

version 3.1