Use After Free Affecting perf-debuginfo package, versions <0:6.1.109-118.189.amzn2023


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.24% (15th percentile)

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  • Snyk IDSNYK-AMZN2023-PERFDEBUGINFO-9296588
  • published7 Mar 2025
  • disclosed4 Sept 2024

Introduced: 4 Sep 2024

CVE-2024-44986  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 perf-debuginfo to version 0:6.1.109-118.189.amzn2023 or higher.
This issue was patched in ALAS2023-2024-779.

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:

ipv6: fix possible UAF in ip6_finish_output2()

If skb_expand_head() returns NULL, skb has been freed and associated dst/idev could also have been freed.

We need to hold rcu_read_lock() to make sure the dst and associated idev are alive.

CVSS Base Scores

version 3.1