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redhatRedHatRHSA-2024:1960
HistoryApr 23, 2024 - 12:08 a.m.

(RHSA-2024:1960) Important: kpatch-patch security update

2024-04-2300:08:42
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13
(kpatch-patch module
security update
kernel code modification
use after free
unix_stream_sendpage
net/sched
sch_hfsc uaf
cve-2023-4622
cve-2023-4623
cvss score)

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

AI Score

8.1

Confidence

High

EPSS

0

Percentile

5.1%

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: use after free in unix_stream_sendpage (CVE-2023-4622)

  • kernel: net/sched: sch_hfsc UAF (CVE-2023-4623)

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

AI Score

8.1

Confidence

High

EPSS

0

Percentile

5.1%