CVE-2024-0582

2024-01-1600:00:00

ubuntu.com

linux kernel

memory leak

io_uring

buffer ring

privilege escalation

bugzilla

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

7.6 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

JSON

A memory leak flaw was found in the Linux kernel’s io_uring functionality
in how a user registers a buffer ring with IORING_REGISTER_PBUF_RING,
mmap() it, and then frees it. This flaw allows a local user to crash or
potentially escalate their privileges on the system.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu23.10noarchlinux< 6.5.0-21.21UNKNOWN
ubuntu24.04noarchlinux< anyUNKNOWN
ubuntu23.10noarchlinux-aws< 6.5.0-1014.14UNKNOWN
ubuntu24.04noarchlinux-aws< anyUNKNOWN
ubuntu23.10noarchlinux-azure< 6.5.0-1015.15UNKNOWN
ubuntu24.04noarchlinux-azure< anyUNKNOWN
ubuntu23.10noarchlinux-gcp< 6.5.0-1014.14UNKNOWN
ubuntu24.04noarchlinux-gcp< anyUNKNOWN
ubuntu24.04noarchlinux-gke< anyUNKNOWN
ubuntu22.04noarchlinux-hwe-6.5< 6.5.0-21.21~22.04.1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	23.10	noarch	linux	< 6.5.0-21.21	UNKNOWN
ubuntu	24.04	noarch	linux	< any	UNKNOWN
ubuntu	23.10	noarch	linux-aws	< 6.5.0-1014.14	UNKNOWN
ubuntu	24.04	noarch	linux-aws	< any	UNKNOWN
ubuntu	23.10	noarch	linux-azure	< 6.5.0-1015.15	UNKNOWN
ubuntu	24.04	noarch	linux-azure	< any	UNKNOWN
ubuntu	23.10	noarch	linux-gcp	< 6.5.0-1014.14	UNKNOWN
ubuntu	24.04	noarch	linux-gcp	< any	UNKNOWN
ubuntu	24.04	noarch	linux-gke	< any	UNKNOWN
ubuntu	22.04	noarch	linux-hwe-6.5	< 6.5.0-21.21~22.04.1	UNKNOWN