CVE-2023-0597

2023-02-2300:00:00

ubuntu.com

linux kernel

memory leak

unauthorized access

cpu data

exception stack

bugzilla redhat.

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

0.0004 Low

EPSS

Percentile

5.1%

JSON

A flaw possibility of memory leak in the Linux kernel cpu_entry_area
mapping of X86 CPU data to memory was found in the way user can guess
location of exception stack(s) or other important data. A local user could
use this flaw to get access to some important data with expected location
in memory.

Bugs

<https://bugzilla.redhat.com/show_bug.cgi?id=2165926>

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-219.230UNKNOWN
ubuntu20.04noarchlinux< 5.4.0-166.183UNKNOWN
ubuntu22.04noarchlinux< 5.15.0-79.86UNKNOWN
ubuntu23.04noarchlinux< 6.2.0-18.18UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1162.175UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1113.123UNKNOWN
ubuntu22.04noarchlinux-aws< 5.15.0-1042.47UNKNOWN
ubuntu20.04noarchlinux-aws-5.15< 5.15.0-1041.46~20.04.1UNKNOWN
ubuntu18.04noarchlinux-aws-5.4< 5.4.0-1113.123~18.04.1UNKNOWN
ubuntu16.04noarchlinux-aws-hwe< 4.15.0-1162.175~16.04.1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	linux	< 4.15.0-219.230	UNKNOWN
ubuntu	20.04	noarch	linux	< 5.4.0-166.183	UNKNOWN
ubuntu	22.04	noarch	linux	< 5.15.0-79.86	UNKNOWN
ubuntu	23.04	noarch	linux	< 6.2.0-18.18	UNKNOWN
ubuntu	18.04	noarch	linux-aws	< 4.15.0-1162.175	UNKNOWN
ubuntu	20.04	noarch	linux-aws	< 5.4.0-1113.123	UNKNOWN
ubuntu	22.04	noarch	linux-aws	< 5.15.0-1042.47	UNKNOWN
ubuntu	20.04	noarch	linux-aws-5.15	< 5.15.0-1041.46~20.04.1	UNKNOWN
ubuntu	18.04	noarch	linux-aws-5.4	< 5.4.0-1113.123~18.04.1	UNKNOWN
ubuntu	16.04	noarch	linux-aws-hwe	< 4.15.0-1162.175~16.04.1	UNKNOWN