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CVE record · CVE-2023-3772

Kernel: xfrm: null pointer dereference in xfrm_update_ae_params()

CVSS 5.5 MediumEPSS 0.0047 · 41st percentile

Published by the CVE Program (CNA: redhat) at 25 Jul 2023, 15:47 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Red Hat Red Hat Enterprise Linux 8 Package name: kernel-rt https://access.redhat.com/downloads/content/package-browser/
  • unaffected 0:4.18.0-513.5.1.rt7.307.el8_9 to before * rpm
Other versions: affected
Red Hat Red Hat Enterprise Linux 8 Package name: kernel https://access.redhat.com/downloads/content/package-browser/
  • unaffected 0:4.18.0-513.5.1.el8_9 to before * rpm
Other versions: affected
Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support Package name: kernel https://access.redhat.com/downloads/content/package-browser/
  • unaffected 0:4.18.0-372.87.1.el8_6 to before * rpm
Other versions: affected
Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support Package name: kernel https://access.redhat.com/downloads/content/package-browser/
  • unaffected 0:4.18.0-477.43.1.el8_8 to before * rpm
Other versions: affected
Red Hat Red Hat Enterprise Linux 9 Package name: kernel https://access.redhat.com/downloads/content/package-browser/
  • unaffected 0:5.14.0-362.8.1.el9_3 to before * rpm
Other versions: affected
Red Hat Red Hat Enterprise Linux 9 Package name: kernel https://access.redhat.com/downloads/content/package-browser/
  • unaffected 0:5.14.0-362.8.1.el9_3 to before * rpm
Other versions: affected
Red Hat Red Hat Virtualization 4 for Red Hat Enterprise Linux 8 Package name: kernel https://access.redhat.com/downloads/content/package-browser/
  • unaffected 0:4.18.0-372.87.1.el8_6 to before * rpm
Other versions: affected
Red Hat Red Hat Enterprise Linux 6 Package name: kernel https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: unknown
Red Hat Red Hat Enterprise Linux 7 Package name: kernel https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: unknown
Red Hat Red Hat Enterprise Linux 7 Package name: kernel-rt https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: unknown
Red Hat Red Hat Enterprise Linux 9 Package name: kernel-rt https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: affected
Identifiers
CVE-2023-3772
CNA
redhat
Weakness (CWE)
CWE-476
Tags
Published
25 Jul 2023
Updated
14 Oct 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
5.5 Medium 3.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CNA (redhat)
  • CISA KEV Not listed.
  • EPSS 0.0047, the 41st percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 25 Jul 2023. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.