🛡️ SUSE-SU-2022:2875-2 — kernel-default (CVE-2020-36516 +17 more)

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP3 kernel was updated to receive various security and bugfixes.

The following security bugs were fixed:

• CVE-2020-36516: Fixed TCP session data injection vulnerability via the mixed IPID assignment method (bnc#1196616).
• CVE-2020-36557: Fixed race condition between the VT_DISALLOCATE ioctl and closing/opening of ttys that could lead to a use-after-free (bnc#1201429).
• CVE-2020-36558: Fixed race condition involving VT_RESIZEX that could lead to a NULL pointer dereference and general protection fault (bnc#1200910).
• CVE-2021-33655: Fixed out of bounds write with ioctl FBIOPUT_VSCREENINFO (bnc#1201635).
• CVE-2021-33656: Fixed out of bounds write with ioctl PIO_FONT (bnc#1201636).
• CVE-2022-1116: Fixed a integer overflow vulnerability in io_uring which allowed a local attacker to cause memory corruption and escalate privileges to root (bnc#1199647).
• CVE-2022-1462: Fixed an out-of-bounds read flaw in the TeleTYpe subsystem (bnc#1198829).
• CVE-2022-2318: Fixed a use-after-free vulnerabilities in the timer handler in net/rose/rose_timer.c that allow attackers to crash the system without any privileges (bsc#1201251).
• CVE-2022-2639: Fixed integer underflow that could lead to out-of-bounds write in reserve_sfa_size() (bsc#1202154).
• CVE-2022-20166: Fixed possible out of bounds write due to sprintf unsafety that could cause local escalation of privilege (bnc#1200598)
• CVE-2022-21505: Fixed kexec lockdown bypass with IMA policy (bsc#1201458).
• CVE-2022-26365, CVE-2022-33740, CVE-2022-33741, CVE-2022-33742: Fixed multiple potential data leaks with Block and Network devices when using untrusted backends (bsc#1200762).
• CVE-2022-29581: Fixed improper update of Reference Count in net/sched that could cause root privilege escalation (bnc#1199665).
• CVE-2022-32250: Fixed user-after-free in net/netfilter/nf_tables_api.c that could allow local privilege escalation (bnc#1200015).
• CVE-2022-36946: Fixed incorrect packet truncation in nfqnl_mangle() that could lead to remote DoS (bnc#1201940).

The following non-security bugs were fixed:

• ACPI: APEI: Better fix to avoid spamming the console with old error logs (git-fixes).
• ACPI: CPPC: Do not prevent CPPC from working in the future (git-fixes).
• ACPI: video: Shortening quirk list by identifying Clevo by board_name only (git-fixes).
• ALSA: hda - Add fixup for Dell Latitidue E5430 (git-fixes).
• ALSA: hda/conexant: Apply quirk for another HP ProDesk 600 G3 model (git-fixes).
• ALSA: hda/realtek - Enable the headset-mic on a Xiaomi's laptop (git-fixes).
• ALSA: hda/realtek - Fix headset mic problem for a HP machine with alc221 (git-fixes).
• ALSA: hda/realtek - Fix headset mic problem for a HP machine with alc671 (git-fixes).
• ASoC: Intel: Skylake: Correct the handling of fmt_config flexible array (git-fixes).
• ASoC: Intel: Skylake: Correct the ssp rate discovery in skl_get_ssp_clks() (git-fixes).
• ASoC: Remove unused hw_write_t type (git-fixes).
• ASoC: cs47l15: Fix event generation for low power mux control (git-fixes).
• ASoC: madera: Fix event generation for OUT1 demux (git-fixes).
• ASoC: madera: Fix event generation for rate controls (git-fixes).
• ASoC: ops: Fix off by one in range control validation (git-fixes).
• ASoC: sgtl5000: Fix noise on shutdown/remove (git-fixes).
• ASoC: wm5110: Fix DRE control (git-fixes).
• Bluetooth: L2CAP: Fix use-after-free caused by l2cap_chan_put (git-fixes).
• Bluetooth: hci_intel: Add check for platform_driver_register (git-fixes).
• FDDI: defxx: Bail out gracefully with unassigned PCI resource for CSR (git-fixes).
• FDDI: defxx: Make MMIO the configuration default except for EISA (git-fixes).
• Fixed a system crash related to the recent RETBLEED mitigation (bsc#1201644, bsc#1201664, bsc#1201672, bsc#1201673, bsc#1201676).
• Fixed battery detection problem on macbooks (bnc#1201206).
• HID: cp2112: prevent a buffer overflow in cp2112_xfer() (git-fixes).
• KVM/emulate: Fix SETcc emulation function offsets with SLS (bsc#1201930).
• KVM: VMX: Add non-canonical check on writes to RTIT address MSRs (git-fixes).
• KVM: VMX: Do not freeze guest when event delivery causes an APIC-access exit (git-fixes).
• KVM: apic: avoid calculating pending eoi from an uninitialized val (git-fixes).
• KVM: arm64: Avoid setting the upper 32 bits of TCR_EL2 and CPTR_EL2 (bsc#1201442)
• KVM: arm64: Fix definition of PAGE_HYP_DEVICE (git-fixes)
• KVM: emulate: do not adjust size of fastop and setcc subroutines (bsc#1201930).
• KVM: nVMX: avoid NULL pointer dereference with incorrect EVMCS GPAs (git-fixes).
• KVM: nVMX: handle nested posted interrupts when apicv is disabled for L1 (git-fixes).
• KVM: x86/pmu: Fix UBSAN shift-out-of-bounds warning in intel_pmu_refresh() (git-fixes).
• KVM: x86: Do not let userspace set host-reserved cr4 bits (git-fixes).
• KVM: x86: Fix split-irqchip vs interrupt injection window request (git-fixes).
• KVM: x86: Refactor prefix decoding to prev