Linux Kernel: CVSS (Max): 7.8

=========================================================================== 
                         ZMCIRT Vulnerability Bulletin

                             ZMC-2022.15.08.0910
                        Linux Kernel: CVSS (Max): 7.8
                               15th August 2022

===========================================================================
Product:           Linux Kernel
Publisher:         SUSE
Operating System:  SUSE
Resolution:        Patch/Upgrade
CVE Names:         CVE-2022-28390 CVE-2022-28389 CVE-2022-26490
                   CVE-2022-20141 CVE-2022-1679 

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2022/suse-su-20222783-1

Comment: CVSS (Max):  7.8 CVE-2022-26490 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
         CVSS Source: SUSE
         Calculator:  https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

- --------------------------BEGIN INCLUDED TEXT--------------------

SUSE Security Update: Security update for the Linux Kernel (Live Patch 21 for
SLE 15 SP2)

______________________________________________________________________________

Announcement ID:   SUSE-SU-2022:2783-1
Rating:            important
References:        #1200605 #1201080 #1201517 #1201656 #1201657
Cross-References:  CVE-2022-1679 CVE-2022-20141 CVE-2022-26490 CVE-2022-28389
                   CVE-2022-28390
Affected Products:
                   SUSE Linux Enterprise High Performance Computing 15-SP2
                   SUSE Linux Enterprise Module for Live Patching 15-SP2
                   SUSE Linux Enterprise Server 15-SP2
                   SUSE Linux Enterprise Server for SAP Applications 15-SP2
______________________________________________________________________________

An update that fixes 5 vulnerabilities is now available.

Description:

This update for the Linux Kernel 5.3.18-24_93 fixes several issues.
The following security issues were fixed:

  o CVE-2022-28389: Fixed a double free in drivers/net/can/usb/mcba_usb.c
    vulnerability in the Linux kernel. (bnc#1198033)
  o CVE-2022-26490: Fixed a buffer overflow in the st21nfca driver. An attacker
    with adjacent NFC access could crash the system or corrupt the system
    memory. (bsc#1196830)
  o CVE-2022-28390: Fixed a double free in drivers/net/can/usb/ems_usb.c
    vulnerability in the Linux kernel (bnc#1198031).
  o CVE-2022-1679: Fixed a use-after-free in the Atheros wireless driver in the
    way a user forces the ath9k_htc_wait_for_target function to fail with some
    input messages (bsc#1199487).
  o CVE-2022-20141: Fixed a possible use after free due to improper locking in
    ip_check_mc_rcu() (bsc#1200604).

Patch Instructions:

To install this SUSE Security Update use the SUSE recommended installation
methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

  o SUSE Linux Enterprise Module for Live Patching 15-SP2:
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2022-2783=1

Package List:

  o SUSE Linux Enterprise Module for Live Patching 15-SP2 (ppc64le s390x
    x86_64):
       kernel-livepatch-5_3_18-24_93-default-14-150200.2.2
       kernel-livepatch-5_3_18-24_93-default-debuginfo-14-150200.2.2
       kernel-livepatch-SLE15-SP2_Update_21-debugsource-14-150200.2.2


References:

  o https://www.suse.com/security/cve/CVE-2022-1679.html
  o https://www.suse.com/security/cve/CVE-2022-20141.html
  o https://www.suse.com/security/cve/CVE-2022-26490.html
  o https://www.suse.com/security/cve/CVE-2022-28389.html
  o https://www.suse.com/security/cve/CVE-2022-28390.html
  o https://bugzilla.suse.com/1200605
  o https://bugzilla.suse.com/1201080
  o https://bugzilla.suse.com/1201517
  o https://bugzilla.suse.com/1201656
  o https://bugzilla.suse.com/1201657
  
---------------------------END INCLUDED TEXT--------------------





 
ZMCIRT has made every effort to ensure that the information contained
in this document is accurate.  However, the decision to use the information
described is the responsibility of each user or organisation. The decision to
follow or act on information or advice contained in this security bulletin is
the responsibility of each user or organisation, and should be considered in
accordance with your organisation's site policies and procedures. ZMCERT
takes no responsibility for consequences which may arise from following or
acting on information or advice contained in this security bulletin.

===========================================================================
Internet Email: report@cirt.zm     
Telephone:     7070 
                ZMCIRT personnel answer during Zambian business hours 
                which are 8am to 5pm.
                On call after hours for member emergencies only.
===========================================================================