CVE-2026-97568 Affecting python3-perf6.12-debuginfo package, versions <1:6.12.111-136.204.amzn2023


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.21% (11th percentile)

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  • Snyk IDSNYK-AMZN2023-PYTHON3PERF612DEBUGINFO-20859484
  • published13 Oct 2026
  • disclosed25 Sept 2026

Introduced: 25 Sep 2026

NewCVE-2026-97568  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 python3-perf6.12-debuginfo to version 1:6.12.111-136.204.amzn2023 or higher.
This issue was patched in ALAS2023-2026-3193.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python3-perf6.12-debuginfo package and not the python3-perf6.12-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:

mptcp: syncookies: remember the request backup flag

Instead of using an uninitialised bit when copying the info in subflow_ulp_clone().

To fix this, no need to extend the join_entry structure: backup is coming from struct mptcp_subflow_request_sock, only one bit. Do the same here by using one bit for both.