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SUSE alert SUSE-SU-2023:3333-1 (kernel)



From:
              sle-security-updates@lists.suse.com


To:
              sle-security-updates@lists.suse.com


Subject:
              SUSE-SU-2023:3333-1: important: Security update for the Linux Kernel


Date:
              Wed, 16 Aug 2023 12:30:07 -0000


Message-ID:
              <169218900753.22104.5420497201050741218@smelt2.suse.de>




# Security update for the Linux Kernel

Announcement ID: SUSE-SU-2023:3333-1  
Rating: important  
References:

  * #1087082
  * #1102851
  * #1205803
  * #1206418
  * #1211738
  * #1212128
  * #1212129
  * #1212154
  * #1212501
  * #1212502
  * #1213167
  * #1213286
  * #1213588

  
Cross-References:

  * CVE-2017-18344
  * CVE-2018-3639
  * CVE-2022-40982
  * CVE-2022-45919
  * CVE-2023-0459
  * CVE-2023-20593
  * CVE-2023-3141
  * CVE-2023-3159
  * CVE-2023-3161
  * CVE-2023-3268
  * CVE-2023-3567
  * CVE-2023-35824
  * CVE-2023-3776

  
CVSS scores:

  * CVE-2017-18344 ( SUSE ):  7.1 CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
  * CVE-2017-18344 ( NVD ):  5.5 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  * CVE-2018-3639 ( SUSE ):  4.3 CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
  * CVE-2018-3639 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  * CVE-2018-3639 ( NVD ):  5.5 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  * CVE-2022-40982 ( SUSE ):  6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  * CVE-2022-40982 ( NVD ):  6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
  * CVE-2022-45919 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2022-45919 ( NVD ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-0459 ( SUSE ):  4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
  * CVE-2023-0459 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  * CVE-2023-20593 ( SUSE ):  6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  * CVE-2023-20593 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  * CVE-2023-3141 ( SUSE ):  6.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
  * CVE-2023-3141 ( NVD ):  7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
  * CVE-2023-3159 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-3159 ( NVD ):  6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-3161 ( SUSE ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2023-3161 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2023-3268 ( SUSE ):  6.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L
  * CVE-2023-3268 ( NVD ):  7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
  * CVE-2023-3567 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-3567 ( NVD ):  6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-35824 ( SUSE ):  4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2023-35824 ( NVD ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-3776 ( SUSE ):  6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-3776 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

  
Affected Products:

  * SUSE Linux Enterprise Server 11 SP4
  * SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE 11-SP4

  
  
An update that solves 13 vulnerabilities can now be installed.

## Description:

The SUSE Linux Enterprise 11 SP4 kernel was updated to receive various security
and bugfixes.

The following security bugs were fixed:

  * CVE-2023-3268: Fixed an out of bounds memory access flaw in
    relay_file_read_start_pos in the relayfs (bsc#1212502).
  * CVE-2023-3776: Fixed improper refcount update in cls_fw leads to use-after-
    free (bsc#1213588).
  * CVE-2022-40982: Fixed transient execution attack called "Gather Data
    Sampling" (bsc#1206418).
  * CVE-2023-3567: Fixed a use-after-free in vcs_read in
    drivers/tty/vt/vc_screen.c (bsc#1213167).
  * CVE-2023-0459: Fixed information leak in __uaccess_begin_nospec
    (bsc#1211738).
  * CVE-2023-20593: Fixed a ZenBleed issue in "Zen 2" CPUs that could allow an
    attacker to potentially access sensitive information (bsc#1213286).
  * CVE-2018-3639: Fixed Speculative Store Bypass aka "Memory Disambiguation"
    (bsc#1087082).
  * CVE-2017-18344: Fixed an OOB access led by an invalid check in timer_create.
    (bsc#1102851).
  * CVE-2022-45919: Fixed a use-after-free in dvb_ca_en50221.c that could occur
    if there is a disconnect after an open, because of the lack of a wait_event
    (bsc#1205803).
  * CVE-2023-35824: Fixed a use-after-free in dm1105_remove in
    drivers/media/pci/dm1105/dm1105.c (bsc#1212501).
  * CVE-2023-3161: Fixed shift-out-of-bounds in fbcon_set_font() (bsc#1212154).
  * CVE-2023-3141: Fixed a use-after-free flaw in r592_remove in
    drivers/memstick/host/r592.c, that allowed local attackers to crash the
    system at device disconnect (bsc#1212129).
  * CVE-2023-3159: Fixed use-after-free issue in driver/firewire in
    outbound_phy_packet_callback (bsc#1212128).

The following non-security bugs were fixed:

  * fbcon: Check font dimension limits (CVE-2023-3161 bsc#1212154).
  * firewire: fix potential uaf in outbound_phy_packet_callback() (CVE-2023-3159
    bsc#1212128).
  * kABI: restore _copy_from_user on x86_64 and copy_to_user on x86 (bsc#1211738
    CVE-2023-0459).
  * media: dm1105: Fix use after free bug in dm1105_remove due to race condition
    (bsc#1212501 CVE-2023-35824).
  * media: dvb-core: Fix use-after-free due to race condition at dvb_ca_en50221
    (CVE-2022-45919 bsc#1205803).
  * memstick: r592: Fix UAF bug in r592_remove due to race condition
    (CVE-2023-3141 bsc#1212129 bsc#1211449).
  * net/sched: cls_fw: Fix improper refcount update leads to use-after-free
    (CVE-2023-3776 bsc#1213588).
  * pkt_sched: fix error return code in fw_change_attrs() (bsc#1213588).
  * pkt_sched: fix error return code in fw_change_attrs() (bsc#1213588).
  * posix-timer: Properly check sigevent->sigev_notify (CVE-2017-18344,
    bsc#1102851, bsc#1208715).
  * relayfs: fix out-of-bounds access in relay_file_read (bsc#1212502
    CVE-2023-3268).
  * uaccess: Add speculation barrier to copy_from_user() (bsc#1211738
    CVE-2023-0459).
  * vc_screen: don't clobber return value in vcs_read (bsc#1213167
    CVE-2023-3567).
  * vc_screen: modify vcs_size() handling in vcs_read() (bsc#1213167
    CVE-2023-3567).
  * vc_screen: move load of struct vc_data pointer in vcs_read() to avoid UAF
    (bsc#1213167 CVE-2023-3567).
  * x86: Unify copy_from_user() size checking (bsc#1211738 CVE-2023-0459).
  * x86/copy_user: Unify the code by removing the 64-bit asm _copy_ *_user()
    variants (bsc#1211738 CVE-2023-0459).
  * x86/cpu/amd: Add a Zenbleed fix (bsc#1213286, CVE-2023-20593).
  * x86/speculation: Add Gather Data Sampling mitigation (bsc#1206418,
    CVE-2022-40982).

## Special Instructions and Notes:

  * Please reboot the system after installing this update.

## Patch Instructions:

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

  * SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE 11-SP4  
    zypper in -t patch SUSE-SLE-SERVER-11-SP4-LTSS-EXTREME-CORE-2023-3333=1

  * SUSE Linux Enterprise Server 11 SP4  
    zypper in -t patch SUSE-SLE-SERVER-11-SP4-LTSS-EXTREME-CORE-2023-3333=1

## Package List:

  * SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE 11-SP4 (nosrc x86_64)
    * kernel-default-3.0.101-108.144.1
    * kernel-trace-3.0.101-108.144.1
    * kernel-xen-3.0.101-108.144.1
    * kernel-ec2-3.0.101-108.144.1
  * SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE 11-SP4 (x86_64)
    * kernel-ec2-devel-3.0.101-108.144.1
    * kernel-trace-base-3.0.101-108.144.1
    * kernel-default-devel-3.0.101-108.144.1
    * kernel-source-3.0.101-108.144.1
    * kernel-xen-base-3.0.101-108.144.1
    * kernel-default-base-3.0.101-108.144.1
    * kernel-trace-devel-3.0.101-108.144.1
    * kernel-xen-devel-3.0.101-108.144.1
    * kernel-syms-3.0.101-108.144.1
    * kernel-ec2-base-3.0.101-108.144.1
  * SUSE Linux Enterprise Server 11 SP4 (nosrc x86_64)
    * kernel-default-3.0.101-108.144.1
    * kernel-trace-3.0.101-108.144.1
    * kernel-xen-3.0.101-108.144.1
    * kernel-ec2-3.0.101-108.144.1
  * SUSE Linux Enterprise Server 11 SP4 (x86_64)
    * kernel-ec2-devel-3.0.101-108.144.1
    * kernel-trace-base-3.0.101-108.144.1
    * kernel-default-devel-3.0.101-108.144.1
    * kernel-source-3.0.101-108.144.1
    * kernel-xen-base-3.0.101-108.144.1
    * kernel-default-base-3.0.101-108.144.1
    * kernel-trace-devel-3.0.101-108.144.1
    * kernel-xen-devel-3.0.101-108.144.1
    * kernel-syms-3.0.101-108.144.1
    * kernel-ec2-base-3.0.101-108.144.1

## References:

  * https://www.suse.com/security/cve/CVE-2017-18344.html
  * https://www.suse.com/security/cve/CVE-2018-3639.html
  * https://www.suse.com/security/cve/CVE-2022-40982.html
  * https://www.suse.com/security/cve/CVE-2022-45919.html
  * https://www.suse.com/security/cve/CVE-2023-0459.html
  * https://www.suse.com/security/cve/CVE-2023-20593.html
  * https://www.suse.com/security/cve/CVE-2023-3141.html
  * https://www.suse.com/security/cve/CVE-2023-3159.html
  * https://www.suse.com/security/cve/CVE-2023-3161.html
  * https://www.suse.com/security/cve/CVE-2023-3268.html
  * https://www.suse.com/security/cve/CVE-2023-3567.html
  * https://www.suse.com/security/cve/CVE-2023-35824.html
  * https://www.suse.com/security/cve/CVE-2023-3776.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1087082
  * https://bugzilla.suse.com/show_bug.cgi?id=1102851
  * https://bugzilla.suse.com/show_bug.cgi?id=1205803
  * https://bugzilla.suse.com/show_bug.cgi?id=1206418
  * https://bugzilla.suse.com/show_bug.cgi?id=1211738
  * https://bugzilla.suse.com/show_bug.cgi?id=1212128
  * https://bugzilla.suse.com/show_bug.cgi?id=1212129
  * https://bugzilla.suse.com/show_bug.cgi?id=1212154
  * https://bugzilla.suse.com/show_bug.cgi?id=1212501
  * https://bugzilla.suse.com/show_bug.cgi?id=1212502
  * https://bugzilla.suse.com/show_bug.cgi?id=1213167
  * https://bugzilla.suse.com/show_bug.cgi?id=1213286
  * https://bugzilla.suse.com/show_bug.cgi?id=1213588
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