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redhatRedHatRHSA-2024:0386
HistoryJan 24, 2024 - 8:54 a.m.

(RHSA-2024:0386) Important: kpatch-patch security update

2024-01-2408:54:34
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21
rhsa-2024-0386
kpatch-patch
security update
kernel
net/sched: sch_hfsc uaf
use after free
nvmet_tcp_free_crypto
igb driver
cve-2023-4623
cve-2023-5178
cve-2023-45871
cvss score
references

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.8

Confidence

High

EPSS

0.024

Percentile

90.0%

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

  • kernel: use after free in nvmet_tcp_free_crypto in NVMe (CVE-2023-5178)

  • kernel: IGB driver inadequate buffer size for frames larger than MTU (CVE-2023-45871)

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

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.8

Confidence

High

EPSS

0.024

Percentile

90.0%