Security update for the Linux Kernel

Announcement ID: SUSE-SU-2023:3421-1
Rating: important
References:
Cross-References:
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 ): 4.7 CVSS:3.1/AV:L/AC:H/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-2023-2156 ( 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 ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/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 ): 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
  • 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 security 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 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-debugsource-5.3.18-150300.138.3
    • kernel-rt-debuginfo-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-debugsource-5.3.18-150300.138.3
    • kernel-rt-debuginfo-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-debugsource-5.3.18-150300.138.3
    • kernel-rt-debuginfo-5.3.18-150300.138.3

References: