Security update for the Linux Kernel

Announcement ID: SUSE-SU-2023:3333-1
Rating: important
References:
Cross-References:
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 ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/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 ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/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 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-trace-3.0.101-108.144.1
    • kernel-default-3.0.101-108.144.1
    • kernel-ec2-3.0.101-108.144.1
    • kernel-xen-3.0.101-108.144.1
  • SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE 11-SP4 (x86_64)
    • kernel-ec2-base-3.0.101-108.144.1
    • kernel-xen-base-3.0.101-108.144.1
    • kernel-source-3.0.101-108.144.1
    • kernel-trace-base-3.0.101-108.144.1
    • kernel-default-base-3.0.101-108.144.1
    • kernel-ec2-devel-3.0.101-108.144.1
    • kernel-syms-3.0.101-108.144.1
    • kernel-xen-devel-3.0.101-108.144.1
    • kernel-default-devel-3.0.101-108.144.1
    • kernel-trace-devel-3.0.101-108.144.1
  • SUSE Linux Enterprise Server 11 SP4 (nosrc x86_64)
    • kernel-trace-3.0.101-108.144.1
    • kernel-default-3.0.101-108.144.1
    • kernel-ec2-3.0.101-108.144.1
    • kernel-xen-3.0.101-108.144.1
  • SUSE Linux Enterprise Server 11 SP4 (x86_64)
    • kernel-ec2-base-3.0.101-108.144.1
    • kernel-xen-base-3.0.101-108.144.1
    • kernel-source-3.0.101-108.144.1
    • kernel-trace-base-3.0.101-108.144.1
    • kernel-default-base-3.0.101-108.144.1
    • kernel-ec2-devel-3.0.101-108.144.1
    • kernel-syms-3.0.101-108.144.1
    • kernel-xen-devel-3.0.101-108.144.1
    • kernel-default-devel-3.0.101-108.144.1
    • kernel-trace-devel-3.0.101-108.144.1

References: