CVE-2023-4881

2023-09-1100:00:00

ubuntu.com

linux kernel

non-security bug

denial of service

user namespaces

zdi-can-21950

zdi-can-21951

zdi-can-21961

0.0004 Low

EPSS

Percentile

9.1%

JSON

CVE-2023-4881 was wrongly assigned to a bug that was deemed to be a
non-security issue by the Linux kernel security team.

Bugs

<https://bugzilla.redhat.com/show_bug.cgi?id=2238312>

Notes

Author	Note
	Priority reason: By using unprivileged user namespaces, this can be exploited to achieve denial of service.
rodrigo-zaiden	ZDI-CAN-21950, ZDI-CAN-21951, ZDI-CAN-21961.

OSVersionArchitecturePackageVersionFilename
ubuntuupstreamnoarchlinux-hwe< 6.6~rc1UNKNOWN
ubuntu16.04noarchlinux-hwe< 4.15.0-219.230UNKNOWN
ubuntuupstreamnoarchlinux-hwe-5.4< 6.6~rc1UNKNOWN
ubuntu18.04noarchlinux-hwe-5.4< 5.4.0-165.182UNKNOWN
ubuntuupstreamnoarchlinux-hwe-5.15< 6.6~rc1UNKNOWN
ubuntu20.04noarchlinux-hwe-5.15< 5.15.0-87.97~20.04.1UNKNOWN
ubuntuupstreamnoarchlinux-hwe-6.2< 6.6~rc1UNKNOWN
ubuntu22.04noarchlinux-hwe-6.2< 6.2.0-35.35~22.04.1UNKNOWN
ubuntu14.04noarchlinux-lts-xenial< 4.4.0-246.280UNKNOWN
ubuntuupstreamnoarchlinux-lts-xenial< 6.6~rc1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	upstream	noarch	linux-hwe	< 6.6~rc1	UNKNOWN
ubuntu	16.04	noarch	linux-hwe	< 4.15.0-219.230	UNKNOWN
ubuntu	upstream	noarch	linux-hwe-5.4	< 6.6~rc1	UNKNOWN
ubuntu	18.04	noarch	linux-hwe-5.4	< 5.4.0-165.182	UNKNOWN
ubuntu	upstream	noarch	linux-hwe-5.15	< 6.6~rc1	UNKNOWN
ubuntu	20.04	noarch	linux-hwe-5.15	< 5.15.0-87.97~20.04.1	UNKNOWN
ubuntu	upstream	noarch	linux-hwe-6.2	< 6.6~rc1	UNKNOWN
ubuntu	22.04	noarch	linux-hwe-6.2	< 6.2.0-35.35~22.04.1	UNKNOWN
ubuntu	14.04	noarch	linux-lts-xenial	< 4.4.0-246.280	UNKNOWN
ubuntu	upstream	noarch	linux-lts-xenial	< 6.6~rc1	UNKNOWN