An update that solves 16 vulnerabilities, contains one
feature and has 15 fixes is now available.
Description:
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 apostrophe typo (bsc#1178134).
- x86/entry: Remove skip_r11rcx (bsc#1201644).
- x86/retbleed: Add fine grained Kconfig knobs (bsc#1178134).
- xen/netback: avoid entering xenvif_rx_next_skb() with an empty rx queue
(bsc#1201381).
Special Instructions and Notes:
Please reboot the system after installing this update.
Patch Instructions:
To install this SUSE Security 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 openSUSE-SLE-15.3-2022-2741=1
-
SUSE Linux Enterprise Module for Public Cloud 15-SP3:
zypper in -t patch SUSE-SLE-Module-Public-Cloud-15-SP3-2022-2741=1