CVE record · CVE-2024-0443

Kernel: blkio memory leakage due to blkcg and some blkgs are not freed after they are made offline.

CVSS 5.5 MediumEPSS 0.0025 · 16th percentile

Published by the CVE Program (CNA: redhat) at 11 Jan 2024, 23:30 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
Not given	Not given Package name: kernel https://git.kernel.org/pub/scm/linux/kernel	affected before 6.4-rc7 semver Other versions: unaffected
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 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 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 8 Package name: kernel-rt https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: affected
Red Hat	Red Hat Enterprise Linux 9 Package name: kernel https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: affected
Red Hat	Red Hat Enterprise Linux 9 Package name: kernel-rt https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected

Identifiers: CVE-2024-0443
CNA: redhat
Weakness (CWE): CWE-402
Tags: Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 9.2 Extended Update Support
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 9
CWE-402
Published: 11 Jan 2024
Updated: 5 Nov 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
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 0.0025, the 16th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

11 Jan 2024, 23:30 UTC Confirmed by the CVE List
12 Jan 2024, 00:15 UTC Confirmed by NVD

Sources

References from the CNA

access.redhat.com/errata/RHSA-2023:6583 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2023:7077 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2023:7370 vendor-advisoryredhat
access.redhat.com/security/cve/CVE-2024-0443 vdb-entryredhat
bugzilla.redhat.com/show_bug.cgi?id=2257968 issue-trackingredhat
lore.kernel.org/linux-block/[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.