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redhatRedHatRHSA-2023:4380
HistoryAug 01, 2023 - 8:56 a.m.

(RHSA-2023:4380) Important: kpatch-patch security update

2023-08-0108:56:30
access.redhat.com
30
kernel
security fix
out-of-bounds write
ipvlan
cls_flower

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

28.7%

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: ipvlan: out-of-bounds write caused by unclear skb->cb (CVE-2023-3090)

  • kernel: cls_flower: out-of-bounds write in fl_set_geneve_opt() (CVE-2023-35788)

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

28.7%