CVE-2023-40791 The advisory has been revoked - it doesn't affect any version of package python-perf (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL7-PYTHONPERF-6008687
- published18 Oct 2023
- disclosed3 Aug 2023
Introduced: 3 Aug 2023
CVE-2023-40791 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:7.
NVD Description
Note: Versions mentioned in the description apply only to the upstream python-perf package and not the python-perf package as distributed by RHEL.
extract_user_to_sg in lib/scatterlist.c in the Linux kernel before 6.4.12 fails to unpin pages in a certain situation, as demonstrated by a WARNING for try_grab_page.
References
- https://access.redhat.com/security/cve/CVE-2023-40791
- https://lore.kernel.org/linux-crypto/20571.1690369076@warthog.procyon.org.uk/
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.12
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f443fd5af5dbd531f880d3645d5dd36976cf087f
- https://lkml.org/lkml/2023/8/3/323
- https://lore.kernel.org/linux-crypto/20571.1690369076%40warthog.procyon.org.uk/
- https://security.netapp.com/advisory/ntap-20231110-0009/