Security update for the Linux Kernel
Announcement ID: | SUSE-SU-2023:3391-1 |
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Rating: | important |
References: |
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Cross-References: | |
CVSS scores: |
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Affected Products: |
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An update that solves 15 vulnerabilities, contains one feature and has nine security fixes can now be installed.
Description:
The SUSE Linux Enterprise 15 SP3 kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
- 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-2023-2156: Fixed a flaw in the networking subsystem within the handling of the RPL protocol (bsc#1211131).
- 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).
- block, bfq: fix division by zero error on zero wsum (bsc#1213653).
- get module prefix from kmod (bsc#1212835).
- 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).
- remove more packaging cruft for sle < 12 sp3
- 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: implement down_read_interruptible (bsc#1207270 jsc#ped-4567).
- rwsem: implement down_read_killable_nested (bsc#1207270 jsc#ped-4567).
- ubi: ensure that vid header offset + vid header size <= alloc, size (bsc#1210584).
- ubi: fix failure attaching when vid_hdr offset equals to (sub)page 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 update use the SUSE recommended
installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
-
openSUSE Leap 15.3
zypper in -t patch SUSE-2023-3391=1
-
openSUSE Leap 15.4
zypper in -t patch openSUSE-SLE-15.4-2023-3391=1
-
SUSE Linux Enterprise Live Patching 15-SP3
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP3-2023-3391=1
Please note that this is the initial kernel livepatch without fixes itself, this package is later updated by separate standalone kernel livepatch updates. -
SUSE Linux Enterprise High Availability Extension 15 SP3
zypper in -t patch SUSE-SLE-Product-HA-15-SP3-2023-3391=1
-
SUSE Linux Enterprise High Performance Computing ESPOS 15 SP3
zypper in -t patch SUSE-SLE-Product-HPC-15-SP3-ESPOS-2023-3391=1
-
SUSE Linux Enterprise High Performance Computing LTSS 15 SP3
zypper in -t patch SUSE-SLE-Product-HPC-15-SP3-LTSS-2023-3391=1
-
SUSE Linux Enterprise Server 15 SP3 LTSS 15-SP3
zypper in -t patch SUSE-SLE-Product-SLES-15-SP3-LTSS-2023-3391=1
-
SUSE Linux Enterprise Server for SAP Applications 15 SP3
zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP3-2023-3391=1
-
SUSE Manager Proxy 4.2
zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Proxy-4.2-2023-3391=1
-
SUSE Manager Retail Branch Server 4.2
zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Retail-Branch-Server-4.2-2023-3391=1
-
SUSE Manager Server 4.2
zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Server-4.2-2023-3391=1
-
SUSE Enterprise Storage 7.1
zypper in -t patch SUSE-Storage-7.1-2023-3391=1
-
SUSE Linux Enterprise Micro 5.1
zypper in -t patch SUSE-SUSE-MicroOS-5.1-2023-3391=1
-
SUSE Linux Enterprise Micro 5.2
zypper in -t patch SUSE-SUSE-MicroOS-5.2-2023-3391=1
-
SUSE Linux Enterprise Micro for Rancher 5.2
zypper in -t patch SUSE-SUSE-MicroOS-5.2-2023-3391=1
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