Lucene search

K
osvGoogleOSV:ALSA-2023:1470
HistoryMar 27, 2023 - 12:00 a.m.

Important: kernel security, bug fix, and enhancement update

2023-03-2700:00:00
Google
osv.dev
13
kernel
security
bugfix
enhancement
linux
cve-2022-4744
cve-2023-0266
cve-2022-4269
almalinux9.0
bz#2127880
cgroups_v2
kernel-rt-debug
libgpiod
azure
ibm 9.2 feat
intel 9.2 feat spr cpu

CVSS3

7.9

Attack Vector

ADJACENT

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

6.9

Confidence

High

EPSS

0.001

Percentile

35.5%

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):

  • AlmaLinux9.0 - 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)
  • AlmaLinux9.0 - 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)
  • AlmaLinux9.0 - s390/kexec: fix ipl report address for kdump (BZ#2166903)
  • libgpiod doesn’t seem to work with Interphase gpiochip (BZ#2166956)
  • Azure AlmaLinux9 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)

CVSS3

7.9

Attack Vector

ADJACENT

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

6.9

Confidence

High

EPSS

0.001

Percentile

35.5%