Improper Locking Affecting python-perf-debuginfo package, versions <0:4.14.355-271.569.amzn2


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-AMZN2-PYTHONPERFDEBUGINFO-8382978
  • published16 Nov 2024
  • disclosed27 Sept 2024

Introduced: 27 Sep 2024

CVE-2024-46829  (opens in a new tab)
CWE-667  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 python-perf-debuginfo to version 0:4.14.355-271.569.amzn2 or higher.
This issue was patched in ALAS2-2024-2696.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python-perf-debuginfo package and not the python-perf-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

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

rtmutex: Drop rt_mutex::wait_lock before scheduling

rt_mutex_handle_deadlock() is called with rt_mutex::wait_lock held. In the good case it returns with the lock held and in the deadlock case it emits a warning and goes into an endless scheduling loop with the lock held, which triggers the 'scheduling in atomic' warning.

Unlock rt_mutex::wait_lock in the dead lock case before issuing the warning and dropping into the schedule for ever loop.

[ tglx: Moved unlock before the WARN(), removed the pointless comment, massaged changelog, added Fixes tag ]

CVSS Scores

version 3.1