CVE-2023-2612: Canonical Ltd. ubuntu-linux

shiftfs lock unbalance in Ubuntu-specific kernels

CVSS 4.4 MediumEPSS 0.0028 · 21st percentile

Published by the CVE Program (CNA: canonical) at 30 May 2023, 23:12 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
Canonical Ltd.	ubuntu-linux Package name: ubuntu-linux https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/kinetic/refs/	affected before 02b47547824b1cd0d55c6744f91886f04de8947e commit

Identifiers

CVE-2023-2612

CNA

canonical

Weakness (CWE)

CWE-667

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
4.4	Medium	3.1	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H	CNA (canonical)

CISA KEV Not listed.
EPSS 0.0028, the 21st percentile, on 6 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 30 May 2023. New records show when each source confirmed them.

Sources

References from the CNA

git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/kinetic/commit/?id=02b47547824b1cd0d55c6744f91886f04de8947e patch
ubuntu.com/security/CVE-2023-2612 vendor-advisory
ubuntu.com/security/notices/USN-6122-1 vendor-advisory
ubuntu.com/security/notices/USN-6123-1 vendor-advisory
ubuntu.com/security/notices/USN-6124-1 vendor-advisory
ubuntu.com/security/notices/USN-6127-1 vendor-advisory
packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html

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.