CVE-2023-0458

2023-04-2600:00:00

ubuntu.com

linux kernel

speculative pointer dereference

do_prlimit()

version 6.1.8

commit 739790605705ddcf18f21782b9c99ad7d53a8c11

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

0.0004 Low

EPSS

Percentile

14.2%

JSON

A speculative pointer dereference problem exists in the Linux Kernel on the
do_prlimit() function. The resource argument value is controlled and is
used in pointer arithmetic for the ‘rlim’ variable and can be used to leak
the contents. We recommend upgrading past version 6.1.8 or commit
739790605705ddcf18f21782b9c99ad7d53a8c11

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-209.220UNKNOWN
ubuntu20.04noarchlinux< 5.4.0-147.164UNKNOWN
ubuntu22.04noarchlinux< 5.15.0-70.77UNKNOWN
ubuntu22.10noarchlinux< 5.19.0-42.43UNKNOWN
ubuntu14.04noarchlinux< 3.13.0-193.244UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-243.277UNKNOWN
ubuntu22.04noarchlinux-allwinner-5.19< 5.19.0-1012.12~22.04.1UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1154.167UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1100.108UNKNOWN
ubuntu22.04noarchlinux-aws< 5.15.0-1034.38UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	linux	< 4.15.0-209.220	UNKNOWN
ubuntu	20.04	noarch	linux	< 5.4.0-147.164	UNKNOWN
ubuntu	22.04	noarch	linux	< 5.15.0-70.77	UNKNOWN
ubuntu	22.10	noarch	linux	< 5.19.0-42.43	UNKNOWN
ubuntu	14.04	noarch	linux	< 3.13.0-193.244	UNKNOWN
ubuntu	16.04	noarch	linux	< 4.4.0-243.277	UNKNOWN
ubuntu	22.04	noarch	linux-allwinner-5.19	< 5.19.0-1012.12~22.04.1	UNKNOWN
ubuntu	18.04	noarch	linux-aws	< 4.15.0-1154.167	UNKNOWN
ubuntu	20.04	noarch	linux-aws	< 5.4.0-1100.108	UNKNOWN
ubuntu	22.04	noarch	linux-aws	< 5.15.0-1034.38	UNKNOWN