CVE-2023-1652

2023-03-2900:00:00

ubuntu.com

use-after-free

nfsd4_ssc_setup_dul

nfs filesystem

linux kernel

local attacker

system crash

kernel information leak

7.1 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

5.1%

JSON

A use-after-free flaw was found in nfsd4_ssc_setup_dul in
fs/nfsd/nfs4proc.c in the NFS filesystem in the Linux Kernel. This issue
could allow a local attacker to crash the system or it may lead to a kernel
information leak problem.

Bugs

<https://bugzilla.redhat.com/show_bug.cgi?id=2182031>

OSVersionArchitecturePackageVersionFilename
ubuntu22.04noarchlinux< 5.15.0-70.77UNKNOWN
ubuntu22.10noarchlinux< 5.19.0-42.43UNKNOWN
ubuntu22.04noarchlinux-aws< 5.15.0-1034.38UNKNOWN
ubuntu22.10noarchlinux-aws< 5.19.0-1025.26UNKNOWN
ubuntu20.04noarchlinux-aws-5.15< 5.15.0-1034.38~20.04.1UNKNOWN
ubuntu22.04noarchlinux-azure< 5.15.0-1036.43UNKNOWN
ubuntu22.10noarchlinux-azure< 5.19.0-1026.29UNKNOWN
ubuntu20.04noarchlinux-azure-5.15< 5.15.0-1036.43~20.04.1UNKNOWN
ubuntu22.04noarchlinux-azure-5.19< 5.19.0-1026.29~22.04.1UNKNOWN
ubuntu22.04noarchlinux-azure-fde< 5.15.0-1036.43UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	22.04	noarch	linux	< 5.15.0-70.77	UNKNOWN
ubuntu	22.10	noarch	linux	< 5.19.0-42.43	UNKNOWN
ubuntu	22.04	noarch	linux-aws	< 5.15.0-1034.38	UNKNOWN
ubuntu	22.10	noarch	linux-aws	< 5.19.0-1025.26	UNKNOWN
ubuntu	20.04	noarch	linux-aws-5.15	< 5.15.0-1034.38~20.04.1	UNKNOWN
ubuntu	22.04	noarch	linux-azure	< 5.15.0-1036.43	UNKNOWN
ubuntu	22.10	noarch	linux-azure	< 5.19.0-1026.29	UNKNOWN
ubuntu	20.04	noarch	linux-azure-5.15	< 5.15.0-1036.43~20.04.1	UNKNOWN
ubuntu	22.04	noarch	linux-azure-5.19	< 5.19.0-1026.29~22.04.1	UNKNOWN
ubuntu	22.04	noarch	linux-azure-fde	< 5.15.0-1036.43	UNKNOWN