Hash: SHA256

             AUSCERT External Security Bulletin Redistribution

                   Security update for the Linux Kernel
                              3 January 2023


        AusCERT Security Bulletin Summary

Product:           Linux Kernel
Publisher:         SUSE
Operating System:  SUSE
Resolution:        Patch/Upgrade
CVE Names:         CVE-2022-45934 CVE-2022-43945 CVE-2022-43750
                   CVE-2022-42703 CVE-2022-41858 CVE-2022-41850
                   CVE-2022-41848 CVE-2022-40768 CVE-2022-40307
                   CVE-2022-28748 CVE-2022-4095 CVE-2022-3903
                   CVE-2022-3649 CVE-2022-3646 CVE-2022-3635
                   CVE-2022-3629 CVE-2022-3628 CVE-2022-3621
                   CVE-2022-3594 CVE-2022-3586 CVE-2022-3567
                   CVE-2022-3565 CVE-2022-3542 CVE-2022-3524
                   CVE-2022-3424 CVE-2022-3169 CVE-2022-2964
                   CVE-2022-2663 CVE-2021-4037 CVE-2020-26541

Original Bulletin: 

Comment: CVSS (Max):  8.8 CVE-2022-43945 (CVSS:3.1/AV:N/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:N/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


Announcement ID:   SUSE-SU-2022:4611-1
Rating:            important
References:        #1129898 #1177282 #1196018 #1198702 #1201309 #1202097
                   #1202686 #1203008 #1203290 #1203322 #1203514 #1203960
                   #1203987 #1204166 #1204168 #1204170 #1204354 #1204402
                   #1204414 #1204431 #1204432 #1204439 #1204479 #1204574
                   #1204576 #1204631 #1204635 #1204636 #1204646 #1204647
                   #1204653 #1204868 #1205128 #1205130 #1205220 #1205514
                   #1205671 #1205796 #1206164
Cross-References:  CVE-2019-3874 CVE-2020-26541 CVE-2021-4037 CVE-2022-2663
                   CVE-2022-28748 CVE-2022-2964 CVE-2022-3169 CVE-2022-3424
                   CVE-2022-3524 CVE-2022-3542 CVE-2022-3565 CVE-2022-3567
                   CVE-2022-3586 CVE-2022-3594 CVE-2022-3621 CVE-2022-3628
                   CVE-2022-3629 CVE-2022-3635 CVE-2022-3646 CVE-2022-3649
                   CVE-2022-3903 CVE-2022-40307 CVE-2022-40768 CVE-2022-4095
                   CVE-2022-41848 CVE-2022-41850 CVE-2022-41858 CVE-2022-42703
                   CVE-2022-43750 CVE-2022-43945 CVE-2022-45934
Affected Products:
                   SUSE Linux Enterprise Server 12-SP3-BCL

An update that solves 31 vulnerabilities and has 8 fixes is now available.


The SUSE Linux Enterprise 12 SP3 kernel was updated to receive various security
and bugfixes.

The following security bugs were fixed:

  o CVE-2022-3635: Fixed a use-after-free in the tst_timer() of the file
    drivers/atm/idt77252.c (bsc#1204631).
  o CVE-2022-3424: Fixed use-after-free in gru_set_context_option(), gru_fault
    () and gru_handle_user_call_os() that could lead to kernel panic (bsc#
  o CVE-2022-41850: Fixed a race condition in roccat_report_event() in drivers/
    hid/hid-roccat.c (bsc#1203960).
  o CVE-2022-45934: Fixed a integer wraparound via L2CAP_CONF_REQ packets in
    l2cap_config_req in net/bluetooth/l2cap_core.c (bsc#1205796).
  o CVE-2022-3628: Fixed potential buffer overflow in brcmf_fweh_event_worker()
    in wifi/brcmfmac (bsc#1204868).
  o CVE-2022-3567: Fixed a to race condition in inet6_stream_ops()/
    inet6_dgram_ops() (bsc#1204414).
  o CVE-2022-41858: Fixed a denial of service in sl_tx_timeout() in drivers/net
    /slip (bsc#1205671).
  o CVE-2022-43945: Fixed a buffer overflow in the NFSD implementation (bsc#
  o CVE-2022-4095: Fixed a use-after-free in rtl8712 driver (bsc#1205514).
  o CVE-2022-3903: Fixed a denial of service with the Infrared Transceiver USB
    driver (bsc#1205220).
  o CVE-2022-2964: Fixed memory corruption issues in ax88179_178a devices (bsc#
  o CVE-2021-4037: Fixed function logic vulnerability that allowed local users
    to create files for the XFS file-system with an unintended group ownership
    and with group execution and SGID permission bits set (bsc#1198702).
  o CVE-2022-43750: Fixed vulnerability in usbmon that allowed a user-space
    client to corrupt the monitor's internal memory (bsc#1204653).
  o CVE-2020-26541: Enforce the secure boot forbidden signature database (aka
    dbx) protection mechanism (bsc#1177282).
  o CVE-2022-3542: Fixed memory leak in bnx2x_tpa_stop() in drivers/net/
    ethernet/broadcom/bnx2x/bnx2x_cmn.c (bsc#1204402).
  o CVE-2022-3629: Fixed memory leak in vsock_connect() in net/vmw_vsock/
    af_vsock.c (bsc#1204635).
  o CVE-2022-3646: Fixed memory leak in nilfs_attach_log_writer() in fs/nilfs2/
    segment.c (bsc#1204646).
  o CVE-2022-3649: Fixed use-after-free in nilfs_new_inode() in fs/nilfs2/
    inode.c (bsc#1204647).
  o CVE-2022-3621: Fixed null pointer dereference in nilfs_bmap_lookup_at_level
    () in fs/nilfs2/inode.c (bsc#1204574).
  o CVE-2022-3594: Fixed excessive data logging in intr_callback() in drivers/
    net/usb/r8152.c (bsc#1204479).
  o CVE-2022-3586: Fixed use-after-free in socket buffer (SKB) that could allow
    a local unprivileged user to cause a denial of service (bsc#1204439).
  o CVE-2022-3565: Fixed use-after-free in del_timer() in drivers/isdn/mISDN/
    l1oip_core.c (bsc#1204431).
  o CVE-2022-3524: Fixed memory leak in ipv6_renew_options() in the IPv6
    handler (bsc#1204354).
  o CVE-2022-2663: Fixed an issue which allowed a firewall to be bypassed when
    users are using unencrypted IRC with nf_conntrack_irc configured (bsc#
  o CVE-2022-40768: Fixed information leak in the scsi driver which allowed
    local users to obtain sensitive information from kernel memory (bsc#
  o CVE-2022-42703: Fixed use-after-free in mm/rmap.c related to leaf anon_vma
    double reuse (bsc#1204168).
  o CVE-2022-3169: Fixed an denial of service though request to
  o CVE-2022-40307: Fixed a race condition that could had been exploited to
    trigger a use-after-free in the efi firmware capsule-loader.c (bsc#
  o CVE-2022-41848: Fixed a race condition in drivers/char/pcmcia/synclink_cs.c
    mgslpc_ioctl and mgslpc_detach (bsc#1203987).

The following non-security bugs were fixed:

  o net: mana: Add rmb after checking owner bits (git-fixes).
  o net: mana: Add the Linux MANA PF driver (bug#1201309, jsc#PED-529).
  o x86/hyperv: Output host build info as normal Windows version number
  o x86/hyperv: Set pv_info.name to "Hyper-V" (git-fixes).

Special Instructions and Notes:

Please reboot the system after installing this update.

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 Server 12-SP3-BCL:
    zypper in -t patch SUSE-SLE-SERVER-12-SP3-BCL-2022-4611=1

Package List:

  o SUSE Linux Enterprise Server 12-SP3-BCL (noarch):
  o SUSE Linux Enterprise Server 12-SP3-BCL (x86_64):


  o https://www.suse.com/security/cve/CVE-2019-3874.html
  o https://www.suse.com/security/cve/CVE-2020-26541.html
  o https://www.suse.com/security/cve/CVE-2021-4037.html
  o https://www.suse.com/security/cve/CVE-2022-2663.html
  o https://www.suse.com/security/cve/CVE-2022-28748.html
  o https://www.suse.com/security/cve/CVE-2022-2964.html
  o https://www.suse.com/security/cve/CVE-2022-3169.html
  o https://www.suse.com/security/cve/CVE-2022-3424.html
  o https://www.suse.com/security/cve/CVE-2022-3524.html
  o https://www.suse.com/security/cve/CVE-2022-3542.html
  o https://www.suse.com/security/cve/CVE-2022-3565.html
  o https://www.suse.com/security/cve/CVE-2022-3567.html
  o https://www.suse.com/security/cve/CVE-2022-3586.html
  o https://www.suse.com/security/cve/CVE-2022-3594.html
  o https://www.suse.com/security/cve/CVE-2022-3621.html
  o https://www.suse.com/security/cve/CVE-2022-3628.html
  o https://www.suse.com/security/cve/CVE-2022-3629.html
  o https://www.suse.com/security/cve/CVE-2022-3635.html
  o https://www.suse.com/security/cve/CVE-2022-3646.html
  o https://www.suse.com/security/cve/CVE-2022-3649.html
  o https://www.suse.com/security/cve/CVE-2022-3903.html
  o https://www.suse.com/security/cve/CVE-2022-40307.html
  o https://www.suse.com/security/cve/CVE-2022-40768.html
  o https://www.suse.com/security/cve/CVE-2022-4095.html
  o https://www.suse.com/security/cve/CVE-2022-41848.html
  o https://www.suse.com/security/cve/CVE-2022-41850.html
  o https://www.suse.com/security/cve/CVE-2022-41858.html
  o https://www.suse.com/security/cve/CVE-2022-42703.html
  o https://www.suse.com/security/cve/CVE-2022-43750.html
  o https://www.suse.com/security/cve/CVE-2022-43945.html
  o https://www.suse.com/security/cve/CVE-2022-45934.html
  o https://bugzilla.suse.com/1129898
  o https://bugzilla.suse.com/1177282
  o https://bugzilla.suse.com/1196018
  o https://bugzilla.suse.com/1198702
  o https://bugzilla.suse.com/1201309
  o https://bugzilla.suse.com/1202097
  o https://bugzilla.suse.com/1202686
  o https://bugzilla.suse.com/1203008
  o https://bugzilla.suse.com/1203290
  o https://bugzilla.suse.com/1203322
  o https://bugzilla.suse.com/1203514
  o https://bugzilla.suse.com/1203960
  o https://bugzilla.suse.com/1203987
  o https://bugzilla.suse.com/1204166
  o https://bugzilla.suse.com/1204168
  o https://bugzilla.suse.com/1204170
  o https://bugzilla.suse.com/1204354
  o https://bugzilla.suse.com/1204402
  o https://bugzilla.suse.com/1204414
  o https://bugzilla.suse.com/1204431
  o https://bugzilla.suse.com/1204432
  o https://bugzilla.suse.com/1204439
  o https://bugzilla.suse.com/1204479
  o https://bugzilla.suse.com/1204574
  o https://bugzilla.suse.com/1204576
  o https://bugzilla.suse.com/1204631
  o https://bugzilla.suse.com/1204635
  o https://bugzilla.suse.com/1204636
  o https://bugzilla.suse.com/1204646
  o https://bugzilla.suse.com/1204647
  o https://bugzilla.suse.com/1204653
  o https://bugzilla.suse.com/1204868
  o https://bugzilla.suse.com/1205128
  o https://bugzilla.suse.com/1205130
  o https://bugzilla.suse.com/1205220
  o https://bugzilla.suse.com/1205514
  o https://bugzilla.suse.com/1205671
  o https://bugzilla.suse.com/1205796
  o https://bugzilla.suse.com/1206164

- --------------------------END INCLUDED TEXT--------------------

You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.

NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members.  As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. 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. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.

NOTE: This is only the original release of the security bulletin.  It may
not be updated when updates to the original are made.  If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.

Contact information for the authors of the original document is included
in the Security Bulletin above.  If you have any questions or need further
information, please contact them directly.

Previous advisories and external security bulletins can be retrieved from:


Australian Computer Emergency Response Team
The University of Queensland
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
Comment: https://auscert.org.au/gpg-key/