Lucene search

K
redhatRedHatRHSA-2023:0858
HistoryFeb 21, 2023 - 9:57 a.m.

(RHSA-2023:0858) Important: kpatch-patch security update

2023-02-2109:57:04
access.redhat.com
19
kernel live patch
security update
memory corruption
use-after-free
stack overflow
cve-2022-2964
cve-2022-3564
cve-2022-4378

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

17.9%

This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel.

Security Fix(es):

  • kernel: memory corruption in AX88179_178A based USB ethernet device. (CVE-2022-2964)

  • kernel: use-after-free caused by l2cap_reassemble_sdu() in net/bluetooth/l2cap_core.c (CVE-2022-3564)

  • kernel: stack overflow in do_proc_dointvec and proc_skip_spaces (CVE-2022-4378)

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

17.9%