Lucene search

K
redhatRedHatRHSA-2023:4023
HistoryJul 11, 2023 - 7:39 a.m.

(RHSA-2023:4023) Important: kpatch-patch security update

2023-07-1107:39:10
access.redhat.com
21
rhsa-2023
kpatch-patch
kernel patching
use-after-free
privilege escalation
cvss score
security update
cve-2022-2588

CVSS3

7.8

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

EPSS

0.001

Percentile

21.8%

The kpatch management tool provides a kernel patching infrastructure which
allows you to patch a running kernel without rebooting or restarting any
processes.

Security Fix(es):

  • kernel: a use-after-free in cls_route filter implementation may lead to privilege escalation (CVE-2022-2588)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

CVSS3

7.8

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

EPSS

0.001

Percentile

21.8%