Important: kernel security and bug fix update

2023-05-3000:00:00

Google

osv.dev

kernel security

bug fixes

linux operating system

netfilter

privilege escalation

cve

cvss score

acknowledgments

fips mode

intel qat update

scheduler frequency.

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

7.5

Confidence

Low

EPSS

Percentile

5.1%

JSON

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

kernel: netfilter: use-after-free in nf_tables when processing batch requests can lead to privilege escalation (CVE-2023-32233)

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.

Bug Fix(es):

The qede driver changes rx-usecs: to 256 causing performance impact (BZ#2176104)
Intel QAT Update - (kernel changes) (BZ#2176850)
In FIPS mode, kernel does not transition into error state when RCT or APT health tests fail (BZ#2181730)
“smpboot: Scheduler frequency invariance went wobbly, disabling!” on nohz_full CPUs after long run (BZ#2188067)