CVE record · CVE-2023-5178

Kernel: use after free in nvmet_tcp_free_crypto in nvme

CVSS 8.8 HighEPSS 0.096 · 95th percentile

Published by the CVE Program (CNA: redhat) at 1 Nov 2023, 16:32 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
Vendor	Product	Versions
Red Hat	Red Hat Enterprise Linux 8 Package name: kernel-rt https://access.redhat.com/downloads/content/package-browser/	unaffected 0:4.18.0-513.9.1.rt7.311.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 0:4.18.0-513.9.1.el8_9 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8 Package name: kpatch-patch https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat Enterprise Linux 8.2 Advanced Update Support Package name: kernel https://access.redhat.com/downloads/content/package-browser/	unaffected 0:4.18.0-193.128.1.el8_2 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.2 Telecommunications Update Service Package name: kernel-rt https://access.redhat.com/downloads/content/package-browser/	unaffected 0:4.18.0-193.128.1.rt13.179.el8_2 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.2 Telecommunications Update Service Package name: kernel https://access.redhat.com/downloads/content/package-browser/	unaffected 0:4.18.0-193.128.1.el8_2 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions Package name: kernel https://access.redhat.com/downloads/content/package-browser/	unaffected 0:4.18.0-193.128.1.el8_2 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions Package name: kpatch-patch https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Package name: kernel https://access.redhat.com/downloads/content/package-browser/	unaffected 0:4.18.0-305.114.1.el8_4 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.4 Telecommunications Update Service Package name: kernel-rt https://access.redhat.com/downloads/content/package-browser/	unaffected 0:4.18.0-305.114.1.rt7.190.el8_4 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.4 Telecommunications Update Service Package name: kernel https://access.redhat.com/downloads/content/package-browser/	unaffected 0:4.18.0-305.114.1.el8_4 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions Package name: kernel https://access.redhat.com/downloads/content/package-browser/	unaffected 0:4.18.0-305.114.1.el8_4 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions Package name: kpatch-patch https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat Enterprise Linux 8.6 Extended Update Support Package name: kpatch-patch https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
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: kpatch-patch https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
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 0:5.14.0-362.18.1.el9_3 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9 Package name: kpatch-patch https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat Enterprise Linux 9 Package name: kernel https://access.redhat.com/downloads/content/package-browser/	unaffected 0:5.14.0-362.18.1.el9_3 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9.0 Extended Update Support Package name: kernel https://access.redhat.com/downloads/content/package-browser/	unaffected 0:5.14.0-70.85.1.el9_0 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9.0 Extended Update Support Package name: kernel-rt https://access.redhat.com/downloads/content/package-browser/	unaffected 0:5.14.0-70.85.1.rt21.156.el9_0 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9.0 Extended Update Support Package name: kpatch-patch https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat Enterprise Linux 9.2 Extended Update Support Package name: kernel https://access.redhat.com/downloads/content/package-browser/	unaffected 0:5.14.0-284.40.1.el9_2 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9.2 Extended Update Support Package name: kernel-rt https://access.redhat.com/downloads/content/package-browser/	unaffected 0:5.14.0-284.40.1.rt14.325.el9_2 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9.2 Extended Update Support Package name: kpatch-patch https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
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: unaffected
Red Hat	Red Hat Enterprise Linux 7 Package name: kernel https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat Enterprise Linux 7 Package name: kernel-rt https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
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-2023-5178
CNA: redhat
Weakness (CWE): CWE-416
Tags: Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 8.2 Advanced Update Support
Red Hat Enterprise Linux 8.2 Telecommunications Update Service
Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
Red Hat Enterprise Linux 8.4 Telecommunications Update Service
Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions
Red Hat Enterprise Linux 8.6 Extended Update Support
Memory corruption
Published: 1 Nov 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

Score	Rating	CVSS	Vector	Source
8.8	High	3.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	CNA (redhat)

CISA KEV Not listed.
EPSS 0.096, the 95th 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 1 Nov 2023. New records show when each source confirmed them.

Sources

References from the CNA

access.redhat.com/errata/RHSA-2023:7370 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2023:7379 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2023:7418 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2023:7548 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2023:7549 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2023:7551 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2023:7554 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2023:7557 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2023:7559 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2024:0340 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2024:0378 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2024:0386 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2024:0412 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2024:0431 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2024:0432 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2024:0461 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2024:0554 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2024:0575 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2024:1268 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2024:1269 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2024:1278 vendor-advisoryredhat
access.redhat.com/security/cve/CVE-2023-5178 vdb-entryredhat
bugzilla.redhat.com/show_bug.cgi?id=2241924 issue-trackingredhat
lore.kernel.org/linux-nvme/[email protected]/

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.