Memory Leak Affecting kernel-libbpf-static package, versions <0:6.1.124-134.200.amzn2023


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.07% (21st percentile)

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  • Snyk IDSNYK-AMZN2023-KERNELLIBBPFSTATIC-9523873
  • published27 Mar 2025
  • disclosed27 Dec 2024

Introduced: 27 Dec 2024

CVE-2024-56645  (opens in a new tab)
CWE-401  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 kernel-libbpf-static to version 0:6.1.124-134.200.amzn2023 or higher.
This issue was patched in ALAS2023-2025-809.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-libbpf-static package and not the kernel-libbpf-static 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:

can: j1939: j1939_session_new(): fix skb reference counting

Since j1939_session_skb_queue() does an extra skb_get() for each new skb, do the same for the initial one in j1939_session_new() to avoid refcount underflow.

[mkl: clean up commit message]

CVSS Base Scores

version 3.1