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osvGoogleOSV:RLSA-2023:1470
HistoryApr 06, 2023 - 3:23 p.m.

Important: kernel security, bug fix, and enhancement update

2023-04-0615:23:59
Google
osv.dev
5

7.8 High

CVSS3

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

6.9 Medium

AI Score

Confidence

High

4.3 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:S/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

40.1%

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

Security Fix(es):

  • kernel: tun: avoid double free in tun_free_netdev (CVE-2022-4744)

  • ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF (CVE-2023-0266)

  • kernel: net: CPU soft lockup in TC mirred egress-to-ingress action (CVE-2022-4269)

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):

  • Rocky Linux9.0 - zfcp: fix missing auto port scan and thus missing target ports (BZ#2127880)

  • Cgroups_v2, when creating new cgroup/container, resets the cpu affinity masks for all usr processes on the system. (BZ#2143766)

  • Rocky Linux9.0 - boot: Add secure boot trailer (BZ#2151528)

  • kernel-rt-debug: WARNING: possible circular locking dependency detected (&n->list_lock->&p->pi_lock->&lock->wait_lock) (BZ#2160614)

  • Support cpuset.sched_load_balance by changing default CPUset directory structure (BZ#2161105)

  • Rocky Linux9.0 - s390/kexec: fix ipl report address for kdump (BZ#2166903)

  • libgpiod doesn’t seem to work with Interphase gpiochip (BZ#2166956)

  • Azure Rocky Linux9 scsi: storvsc: Fix swiotlb bounce buffer leak in confidential VM (BZ#2170227)

Enhancement(s):

  • IBM 9.2 FEAT: Upgrade the QETH driver to latest from upstream, e.g. kernel 6.0 (BZ#2166304)

  • Intel 9.2 FEAT SPR CPU: AMX: Improve the init_fpstate setup code (BZ#2168382)

7.8 High

CVSS3

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

6.9 Medium

AI Score

Confidence

High

4.3 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:S/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

40.1%