SUSE-SU-2023:3333-1: important: Security update for the Linux Kernel
sle-security-updates at lists.suse.com
sle-security-updates at lists.suse.com
Wed Aug 16 12:30:07 UTC 2023
# 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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