🛡️ SUSE-SU-2022:2741-1 — kernel-azure (CVE-2022-36946 +15 more)

Security update for the Linux Kernel

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

The following security bugs were fixed:

• CVE-2022-36946: Fixed an incorrect packet trucation operation which could lead to denial of service (bnc#1201940).
• CVE-2022-29581: Fixed improper update of reference count in net/sched that could cause root privilege escalation (bnc#1199665).
• CVE-2022-20166: Fixed several possible memory safety issues due to unsafe operations (bsc#1200598).
• CVE-2020-36558: Fixed a race condition involving VT_RESIZEX which could lead to a NULL pointer dereference and general protection fault (bnc#1200910).
• CVE-2020-36557: Fixed a race condition between the VT_DISALLOCATE ioctl and closing/opening of TTYs that could lead to a use-after-free (bnc#1201429).
• CVE-2021-33655: Fixed an out of bounds write by ioctl cmd FBIOPUT_VSCREENINFO (bnc#1201635).
• CVE-2021-33656: Fixed an out of bounds write related to ioctl cmd PIO_FONT (bnc#1201636).
• CVE-2022-21505: Fixed a kernel lockdown bypass via IMA policy (bsc#1201458).
• CVE-2022-1462: Fixed an out-of-bounds read flaw in the TTY subsystem (bnc#1198829).
• CVE-2022-1116: Fixed an integer overflow vulnerability in io_uring which allowed a local attacker to escalate privileges to root (bnc#1199647).- CVE-2022-2318: Fixed a use-after-free vulnerability in the timer handler in Rose subsystem that allowed unprivileged attackers to crash the system (bsc#1201251).
• 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).

The following non-security bugs were fixed:

• Fixed a system crash related to the recent RETBLEED mitigation (bsc#1201644, bsc#1201664, bsc#1201672, bsc#1201673, bsc#1201676).
• qla2xxx: drop patch which prevented nvme port discovery (bsc#1200651 bsc#1200644 bsc#1201954 bsc#1201958).
• kvm: emulate: do not adjust size of fastop and setcc subroutines (bsc#1201930).
• bpf, cpumap: Remove rcpu pointer from cpu_map_build_skb signature (bsc#1199364).
• bpf: enable BPF type format (BTF) (jsc#SLE-24559).
• nfs: avoid NULL pointer dereference when there is unflushed data (bsc#1201196).
• hv_netvsc: Add (more) validation for untrusted Hyper-V values (bsc#1199364).
• hv_netvsc: Add comment of netvsc_xdp_xmit() (bsc#1199364).
• hv_netvsc: Add support for XDP_REDIRECT (bsc#1199364).
• hv_netvsc: Copy packets sent by Hyper-V out of the receive buffer (bsc#1199364).
• hv_netvsc: Fix validation in netvsc_linkstatus_callback() (bsc#1199364).
• kvm/emulate: Fix SETcc emulation function offsets with SLS (bsc#1201930).
• lkdtm: Disable return thunks in rodata.c (bsc#1178134).
• net, xdp: Introduce __xdp_build_skb_from_frame utility routine (bsc#1199364).
• net, xdp: Introduce xdp_build_skb_from_frame utility routine (bsc#1199364).
• nvme: consider also host_iface when checking ip options (bsc#1199670).
• powerpc/mobility: wait for memory transfer to complete (bsc#1201846 ltc#198761).
• powerpc/pseries/mobility: set NMI watchdog factor during an LPM (bsc#1201846 ltc#198761).
• powerpc/watchdog: introduce a NMI watchdog's factor (bsc#1201846 ltc#198761).
• scsi: lpfc: Copyright updates for 14.2.0.5 patches (bsc#1201956).
• scsi: lpfc: Fix attempted FA-PWWN usage after feature disable (bsc#1201956).
• scsi: lpfc: Fix lost NVMe paths during LIF bounce stress test (bsc#1201956 bsc#1200521).
• scsi: lpfc: Fix possible memory leak when failing to issue CMF WQE (bsc#1201956).
• scsi: lpfc: Fix uninitialized cqe field in lpfc_nvme_cancel_iocb() (bsc#1201956).
• scsi: lpfc: Prevent buffer overflow crashes in debugfs with malformed user input (bsc#1201956).
• scsi: lpfc: Refactor lpfc_nvmet_prep_abort_wqe() into lpfc_sli_prep_abort_xri() (bsc#1201956).
• scsi: lpfc: Remove Menlo/Hornet related code (bsc#1201956).
• scsi: lpfc: Remove extra atomic_inc on cmd_pending in queuecommand after VMID (bsc#1201956).
• scsi: lpfc: Revert RSCN_MEMENTO workaround for misbehaved configuration (bsc#1201956).
• scsi: lpfc: Set PU field when providing D_ID in XMIT_ELS_RSP64_CX iocb (bsc#1201956).
• scsi: lpfc: Update lpfc version to 14.2.0.5 (bsc#1201956).
• scsi: qla2xxx: Check correct variable in qla24xx_async_gffid() (bsc#1201958).
• scsi: qla2xxx: Fix discovery issues in FC-AL topology (bsc#1201958).
• scsi: qla2xxx: Fix imbalance vha->vref_count (bsc#1201958).
• scsi: qla2xxx: Fix incorrect display of max frame size (bsc#1201958).
• scsi: qla2xxx: Fix response queue handler reading stale packets (bsc#1201958).
• scsi: qla2xxx: Fix sparse warning for dport_data (bsc#1201958).
• scsi: qla2xxx: Update manufacturer details (bsc#1201958).
• scsi: qla2xxx: Update version to 10.02.07.800-k (bsc#1201958).
• scsi: qla2xxx: Zero undefined mailbox IN registers (bsc#1201958).
• scsi: qla2xxx: edif: Fix dropped IKE message (bsc#1201958).
• watchdog: export lockup_detector_reconfigure (bsc#1201846 ltc#198761).
• x86/bugs: Remove