Use After Free Affecting python3-perf package, versions <0:5.14.0-570.12.1.0.1.el9_6


Severity

Recommended
medium

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.03% (7th percentile)

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  • Snyk IDSNYK-ORACLE9-PYTHON3PERF-10237769
  • published24 May 2025
  • disclosed21 Oct 2024

Introduced: 21 Oct 2024

CVE-2024-49960  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Oracle:9 python3-perf to version 0:5.14.0-570.12.1.0.1.el9_6 or higher.
This issue was patched in ELSA-2025-6966.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python3-perf package and not the python3-perf package as distributed by Oracle. See How to fix? for Oracle:9 relevant fixed versions and status.

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

ext4: fix timer use-after-free on failed mount

Syzbot has found an ODEBUG bug in ext4_fill_super

The del_timer_sync function cancels the s_err_report timer, which reminds about filesystem errors daily. We should guarantee the timer is no longer active before kfree(sbi).

When filesystem mounting fails, the flow goes to failed_mount3, where an error occurs when ext4_stop_mmpd is called, causing a read I/O failure. This triggers the ext4_handle_error function that ultimately re-arms the timer, leaving the s_err_report timer active before kfree(sbi) is called.

Fix the issue by canceling the s_err_report timer after calling ext4_stop_mmpd.

CVSS Base Scores

version 3.1