SUSE-SU-2023:3421-1: important: Security update for the Linux Kernel
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Thu Aug 24 12:31:21 UTC 2023
# Security update for the Linux Kernel
Announcement ID: SUSE-SU-2023:3421-1
Rating: important
References:
* #1199304
* #1206418
* #1207270
* #1210584
* #1211131
* #1211738
* #1211867
* #1212301
* #1212741
* #1212835
* #1212846
* #1213059
* #1213061
* #1213167
* #1213245
* #1213286
* #1213287
* #1213354
* #1213543
* #1213585
* #1213586
* #1213588
* #1213653
* #1213868
* PED-4567
Cross-References:
* CVE-2022-40982
* CVE-2023-0459
* CVE-2023-20569
* CVE-2023-20593
* CVE-2023-2156
* CVE-2023-2985
* CVE-2023-3117
* CVE-2023-31248
* CVE-2023-3390
* CVE-2023-35001
* CVE-2023-3567
* CVE-2023-3609
* CVE-2023-3611
* CVE-2023-3776
* CVE-2023-3812
CVSS scores:
* 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-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-2023-20569 ( SUSE ): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
* CVE-2023-20569 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/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-2023-2156 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2023-2156 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2023-2985 ( SUSE ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-2985 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
* CVE-2023-3117 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-3117 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-31248 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-31248 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-3390 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-3390 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-35001 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-35001 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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-2023-3609 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-3609 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-3611 ( SUSE ): 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-3611 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/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
* CVE-2023-3812 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-3812 ( 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 Micro 5.1
* SUSE Linux Enterprise Micro 5.2
* SUSE Linux Enterprise Micro for Rancher 5.2
An update that solves 15 vulnerabilities, contains one feature and has nine
fixes can now be installed.
## Description:
The SUSE Linux Enterprise 15 SP3 RT kernel was updated to receive various
security and bugfixes.
The following security bugs were fixed:
* CVE-2023-2156: Fixed IPv6 RPL Protocol Reachable Assertion Denial-of-Service
Vulnerability (bsc#1211131).
* CVE-2022-40982: Fixed transient execution attack called "Gather Data
Sampling" (bsc#1206418).
* CVE-2023-0459: Fixed information leak in __uaccess_begin_nospec
(bsc#1211738).
* CVE-2023-20569: Fixed side channel attack ‘Inception’ or ‘RAS Poisoning’
(bsc#1213287).
* CVE-2023-20593: Fixed a ZenBleed issue in "Zen 2" CPUs that could allow an
attacker to potentially access sensitive information (bsc#1213286).
* CVE-2023-2985: Fixed an use-after-free vulnerability in hfsplus_put_super in
fs/hfsplus/super.c that could allow a local user to cause a denial of
service (bsc#1211867).
* CVE-2023-3117: Fixed an use-after-free vulnerability in the netfilter
subsystem when processing named and anonymous sets in batch requests that
could allow a local user with CAP_NET_ADMIN capability to crash or
potentially escalate their privileges on the system (bsc#1213245).
* CVE-2023-31248: Fixed an use-after-free vulnerability in
nft_chain_lookup_byid that could allow a local attacker to escalate their
privilege (bsc#1213061).
* CVE-2023-3390: Fixed an use-after-free vulnerability in the netfilter
subsystem in net/netfilter/nf_tables_api.c that could allow a local attacker
with user access to cause a privilege escalation issue (bsc#1212846).
* CVE-2023-35001: Fixed an out-of-bounds memory access flaw in nft_byteorder
that could allow a local attacker to escalate their privilege (bsc#1213059).
* CVE-2023-3567: Fixed a use-after-free in vcs_read in
drivers/tty/vt/vc_screen.c (bsc#1213167).
* CVE-2023-3609: Fixed reference counter leak leading to overflow in net/sched
(bsc#1213586).
* CVE-2023-3611: Fixed an out-of-bounds write in net/sched
sch_qfq(bsc#1213585).
* CVE-2023-3776: Fixed improper refcount update in cls_fw leads to use-after-
free (bsc#1213588).
* CVE-2023-3812: Fixed an out-of-bounds memory access flaw in the TUN/TAP
device driver functionality that could allow a local user to crash or
potentially escalate their privileges on the system (bsc#1213543).
The following non-security bugs were fixed:
* arm: cpu: switch to arch_cpu_finalize_init() (bsc#1206418).
* get module prefix from kmod (bsc#1212835).
* remove more packaging cruft for sle < 12 sp3
* block, bfq: fix division by zero error on zero wsum (bsc#1213653).
* init, x86: move mem_encrypt_init() into arch_cpu_finalize_init()
(bsc#1206418).
* init: invoke arch_cpu_finalize_init() earlier (bsc#1206418).
* init: provide arch_cpu_finalize_init() (bsc#1206418).
* init: remove check_bugs() leftovers (bsc#1206418).
* jbd2: export jbd2_journal_[grab|put]_journal_head (bsc#1199304).
* kernel-binary.spec.in: remove superfluous %% in supplements fixes:
02b7735e0caf ("rpm/kernel-binary.spec.in: add enhances and supplements tags
to in-tree kmps")
* kernel-docs: add buildrequires on python3-base when using python3 the
python3 binary is provided by python3-base.
* kernel-docs: use python3 together with python3-sphinx (bsc#1212741).
* keys: do not cache key in task struct if key is requested from kernel thread
(bsc#1213354).
* lockdep: add preemption enabled/disabled assertion apis (bsc#1207270
jsc#ped-4567).
* locking/rwsem: add __always_inline annotation to __down_read_common() and
inlined callers (bsc#1207270 jsc#ped-4567).
* locking/rwsem: allow slowpath writer to ignore handoff bit if not set by
first waiter (bsc#1207270 jsc#ped-4567).
* locking/rwsem: always try to wake waiters in out_nolock path (bsc#1207270
jsc#ped-4567).
* locking/rwsem: better collate rwsem_read_trylock() (bsc#1207270
jsc#ped-4567).
* locking/rwsem: conditionally wake waiters in reader/writer slowpaths
(bsc#1207270 jsc#ped-4567).
* locking/rwsem: disable preemption for spinning region (bsc#1207270
jsc#ped-4567).
* locking/rwsem: disable preemption in all down_read*() and up_read() code
paths (bsc#1207270 jsc#ped-4567).
* locking/rwsem: disable preemption in all down_write*() and up_write() code
paths (bsc#1207270 jsc#ped-4567).
* locking/rwsem: disable preemption while trying for rwsem lock (bsc#1207270
jsc#ped-4567).
* locking/rwsem: enable reader optimistic lock stealing (bsc#1207270
jsc#ped-4567).
* locking/rwsem: fix comment typo (bsc#1207270 jsc#ped-4567).
* locking/rwsem: fix comments about reader optimistic lock stealing conditions
(bsc#1207270 jsc#ped-4567).
* locking/rwsem: fold __down_{read,write}*() (bsc#1207270 jsc#ped-4567).
* locking/rwsem: introduce rwsem_write_trylock() (bsc#1207270 jsc#ped-4567).
* locking/rwsem: make handoff bit handling more consistent (bsc#1207270
jsc#ped-4567).
* locking/rwsem: no need to check for handoff bit if wait queue empty
(bsc#1207270 jsc#ped-4567).
* locking/rwsem: optimize down_read_trylock() under highly contended case
(bsc#1207270 jsc#ped-4567).
* locking/rwsem: pass the current atomic count to rwsem_down_read_slowpath()
(bsc#1207270 jsc#ped-4567).
* locking/rwsem: prevent non-first waiter from spinning in down_write()
slowpath (bsc#1207270 jsc#ped-4567).
* locking/rwsem: prevent potential lock starvation (bsc#1207270 jsc#ped-4567).
* locking/rwsem: remove an unused parameter of rwsem_wake() (bsc#1207270
jsc#ped-4567).
* locking/rwsem: remove reader optimistic spinning (bsc#1207270 jsc#ped-4567).
* locking: add missing __sched attributes (bsc#1207270 jsc#ped-4567).
* locking: remove rcu_read_{,un}lock() for preempt_{dis,en}able() (bsc#1207270
jsc#ped-4567).
* net/sched: sch_qfq: refactor parsing of netlink parameters (bsc#1213585).
* net: mana: add support for vlan tagging (bsc#1212301).
* ocfs2: fix a deadlock when commit trans (bsc#1199304).
* ocfs2: fix defrag path triggering jbd2 assert (bsc#1199304).
* ocfs2: fix race between searching chunks and release journal_head from
buffer_head (bsc#1199304).
* rpm/check-for-config-changes: ignore also pahole_has_* we now also have
options like config_pahole_has_lang_exclude.
* rpm/check-for-config-changes: ignore also riscv_isa_ _and dynamic_sigframe
they depend on config_toolchain_has__.
* rwsem-rt: implement down_read_interruptible (bsc#1207270, jsc#ped-4567, sle
realtime extension).
* rwsem: implement down_read_interruptible (bsc#1207270 jsc#ped-4567).
* rwsem: implement down_read_killable_nested (bsc#1207270 jsc#ped-4567).
* ubi: fix failure attaching when vid_hdr offset equals to (sub)page size
(bsc#1210584).
* ubi: ensure that vid header offset + vid header size <= alloc, size
(bsc#1210584).
* usrmerge: adjust module path in the kernel sources (bsc#1212835).
* x86/cpu: switch to arch_cpu_finalize_init() (bsc#1206418).
* x86/fpu: remove cpuinfo argument from init functions (bsc#1206418).
* x86/microcode/AMD: Make stub function static inline (bsc#1213868).
## 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 Micro 5.1
zypper in -t patch SUSE-SUSE-MicroOS-5.1-2023-3421=1
* SUSE Linux Enterprise Micro 5.2
zypper in -t patch SUSE-SUSE-MicroOS-5.2-2023-3421=1
* SUSE Linux Enterprise Micro for Rancher 5.2
zypper in -t patch SUSE-SUSE-MicroOS-5.2-2023-3421=1
## Package List:
* SUSE Linux Enterprise Micro 5.1 (nosrc x86_64)
* kernel-rt-5.3.18-150300.138.3
* SUSE Linux Enterprise Micro 5.1 (x86_64)
* kernel-rt-debuginfo-5.3.18-150300.138.3
* kernel-rt-debugsource-5.3.18-150300.138.3
* SUSE Linux Enterprise Micro 5.2 (nosrc x86_64)
* kernel-rt-5.3.18-150300.138.3
* SUSE Linux Enterprise Micro 5.2 (x86_64)
* kernel-rt-debuginfo-5.3.18-150300.138.3
* kernel-rt-debugsource-5.3.18-150300.138.3
* SUSE Linux Enterprise Micro for Rancher 5.2 (nosrc x86_64)
* kernel-rt-5.3.18-150300.138.3
* SUSE Linux Enterprise Micro for Rancher 5.2 (x86_64)
* kernel-rt-debuginfo-5.3.18-150300.138.3
* kernel-rt-debugsource-5.3.18-150300.138.3
## References:
* https://www.suse.com/security/cve/CVE-2022-40982.html
* https://www.suse.com/security/cve/CVE-2023-0459.html
* https://www.suse.com/security/cve/CVE-2023-20569.html
* https://www.suse.com/security/cve/CVE-2023-20593.html
* https://www.suse.com/security/cve/CVE-2023-2156.html
* https://www.suse.com/security/cve/CVE-2023-2985.html
* https://www.suse.com/security/cve/CVE-2023-3117.html
* https://www.suse.com/security/cve/CVE-2023-31248.html
* https://www.suse.com/security/cve/CVE-2023-3390.html
* https://www.suse.com/security/cve/CVE-2023-35001.html
* https://www.suse.com/security/cve/CVE-2023-3567.html
* https://www.suse.com/security/cve/CVE-2023-3609.html
* https://www.suse.com/security/cve/CVE-2023-3611.html
* https://www.suse.com/security/cve/CVE-2023-3776.html
* https://www.suse.com/security/cve/CVE-2023-3812.html
* https://bugzilla.suse.com/show_bug.cgi?id=1199304
* https://bugzilla.suse.com/show_bug.cgi?id=1206418
* https://bugzilla.suse.com/show_bug.cgi?id=1207270
* https://bugzilla.suse.com/show_bug.cgi?id=1210584
* https://bugzilla.suse.com/show_bug.cgi?id=1211131
* https://bugzilla.suse.com/show_bug.cgi?id=1211738
* https://bugzilla.suse.com/show_bug.cgi?id=1211867
* https://bugzilla.suse.com/show_bug.cgi?id=1212301
* https://bugzilla.suse.com/show_bug.cgi?id=1212741
* https://bugzilla.suse.com/show_bug.cgi?id=1212835
* https://bugzilla.suse.com/show_bug.cgi?id=1212846
* https://bugzilla.suse.com/show_bug.cgi?id=1213059
* https://bugzilla.suse.com/show_bug.cgi?id=1213061
* https://bugzilla.suse.com/show_bug.cgi?id=1213167
* https://bugzilla.suse.com/show_bug.cgi?id=1213245
* https://bugzilla.suse.com/show_bug.cgi?id=1213286
* https://bugzilla.suse.com/show_bug.cgi?id=1213287
* https://bugzilla.suse.com/show_bug.cgi?id=1213354
* https://bugzilla.suse.com/show_bug.cgi?id=1213543
* https://bugzilla.suse.com/show_bug.cgi?id=1213585
* https://bugzilla.suse.com/show_bug.cgi?id=1213586
* https://bugzilla.suse.com/show_bug.cgi?id=1213588
* https://bugzilla.suse.com/show_bug.cgi?id=1213653
* https://bugzilla.suse.com/show_bug.cgi?id=1213868
* https://jira.suse.com/browse/PED-4567
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