NULL Pointer Dereference Affecting perf-debuginfo package, versions <1:6.1.159-181.297.amzn2023


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.18% (8th percentile)

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  • Snyk IDSNYK-AMZN2023-PERFDEBUGINFO-14903996
  • published9 Jan 2026
  • disclosed4 Dec 2025

Introduced: 4 Dec 2025

CVE-2025-40264  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 perf-debuginfo to version 1:6.1.159-181.297.amzn2023 or higher.
This issue was patched in ALAS2023-2025-1350.

NVD Description

Note: Versions mentioned in the description apply only to the upstream perf-debuginfo package and not the perf-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

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

be2net: pass wrb_params in case of OS2BMC

be_insert_vlan_in_pkt() is called with the wrb_params argument being NULL at be_send_pkt_to_bmc() call site.  This may lead to dereferencing a NULL pointer when processing a workaround for specific packet, as commit bc0c3405abbb ("be2net: fix a Tx stall bug caused by a specific ipv6 packet") states.

The correct way would be to pass the wrb_params from be_xmit().

CVSS Base Scores

version 3.1