CVE-2023-52837 Affecting python3-perf package, versions <0:5.14.0-503.11.1.el9_5


Severity

Recommended
medium

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.05% (18th percentile)

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  • Snyk IDSNYK-ORACLE9-PYTHON3PERF-8391142
  • published20 Nov 2024
  • disclosed21 May 2024

Introduced: 21 May 2024

CVE-2023-52837  (opens in a new tab)

How to fix?

Upgrade Oracle:9 python3-perf to version 0:5.14.0-503.11.1.el9_5 or higher.
This issue was patched in ELSA-2024-9315.

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:

nbd: fix uaf in nbd_open

Commit 4af5f2e03013 ("nbd: use blk_mq_alloc_disk and blk_cleanup_disk") cleans up disk by blk_cleanup_disk() and it won't set disk->private_data as NULL as before. UAF may be triggered in nbd_open() if someone tries to open nbd device right after nbd_put() since nbd has been free in nbd_dev_remove().

Fix this by implementing ->free_disk and free private data in it.

CVSS Scores

version 3.1