{"schema_version":"1.7.3","id":"SUSE-SU-2022:2720-1","published":"2022-08-09T11:13:36Z","modified":"2026-02-04T04:07:48.001895Z","related":["CVE-2020-36557","CVE-2020-36558","CVE-2021-33655","CVE-2021-33656","CVE-2022-1462","CVE-2022-20166","CVE-2022-36946"],"upstream":["CVE-2020-36557","CVE-2020-36558","CVE-2021-33655","CVE-2021-33656","CVE-2022-1462","CVE-2022-20166","CVE-2022-36946"],"summary":"Security update for the Linux Kernel","details":"\nThe SUSE Linux Enterprise 12 SP5 kernel was updated to receive various security and bugfixes.\n\nThe following security bugs were fixed:\n\n- CVE-2022-36946: Fixed an incorrect packet trucation operation which could lead to denial of service (bnc#1201940).\n- CVE-2022-20166: Fixed several possible memory safety issues due to unsafe operations (bsc#1200598).\n- CVE-2020-36558: Fixed a race condition involving VT_RESIZEX which could lead to a NULL pointer dereference and general protection fault (bnc#1200910).\n- CVE-2020-36557: Fixed a race condition between the VT_DISALLOCATE ioctl and closing/opening of TTYs could lead to a use-after-free (bnc#1201429).\n- CVE-2021-33656: Fixed memory out of bounds write related to ioctl cmd PIO_FONT (bnc#1201636).\n- CVE-2021-33655: Fixed out of bounds write with ioctl FBIOPUT_VSCREENINFO (bnc#1201635).\n- CVE-2022-1462: Fixed an out-of-bounds read flaw in the TTY subsystem (bnc#1198829).\n\nThe following non-security bugs were fixed:\n\n- Add missing recommends of kernel-install-tools (bsc#1200442)\n- qla2xxx: drop patch which prevented nvme port discovery (bsc#1200651 bsc#1200644 bsc#1201954 bsc#1201958).\n- kvm: emulate: do not adjust size of fastop and setcc subroutines (bsc#1201930).\n- nfs: avoid NULL pointer dereference when there is unflushed data (bsc#1201196).\n- kvm: emulate: Fix SETcc emulation function offsets with SLS (bsc#1201930).\n- lkdtm: Disable return thunks in rodata.c (bsc#1114648).\n- powerpc/64: Move paca allocation later in boot (bsc#1190812).\n- powerpc/fadump: fix PT_LOAD segment for boot memory area (bsc#1103269 ltc#169948).\n- powerpc/fadump: make crash memory ranges array allocation generic (bsc#1103269 ltc#169948).\n- powerpc: Set crashkernel offset to mid of RMA region (bsc#1190812).\n- rpm/kernel-obs-build.spec.in: Also depend on dracut-systemd (bsc#1195775)\n- rpm/kernel-obs-build.spec.in: add systemd-initrd and terminfo dracut module (bsc#1195775)\n- rpm/kernel-obs-build.spec.in: use default dracut modules (bsc#1195926, bsc#1198484) Let's iron out the reduced initrd optimisation in Tumbleweed. Build full blown dracut initrd with systemd for SLE15 SP4.\n- scsi: qla2xxx: Add a new v2 dport diagnostic feature (bsc#1201958).\n- scsi: qla2xxx: Add debug prints in the device remove path (bsc#1201958).\n- scsi: qla2xxx: Check correct variable in qla24xx_async_gffid() (bsc#1201958).\n- scsi: qla2xxx: Fix crash due to stale SRB access around I/O timeouts (bsc#1201958).\n- scsi: qla2xxx: Fix discovery issues in FC-AL topology (bsc#1201651).\n- scsi: qla2xxx: Fix erroneous mailbox timeout after PCI error injection (bsc#1201958).\n- scsi: qla2xxx: Fix excessive I/O error messages by default (bsc#1201958).\n- scsi: qla2xxx: Fix imbalance vha->vref_count (bsc#1201651).\n- scsi: qla2xxx: Fix incorrect display of max frame size (bsc#1201958).\n- scsi: qla2xxx: Fix losing FCP-2 targets during port perturbation tests (bsc#1201958).\n- scsi: qla2xxx: Fix losing FCP-2 targets on long port disable with I/Os (bsc#1201958).\n- scsi: qla2xxx: Fix losing target when it reappears during delete (bsc#1201958).\n- scsi: qla2xxx: Fix response queue handler reading stale packets (bsc#1201651).\n- scsi: qla2xxx: Fix sparse warning for dport_data (bsc#1201651).\n- scsi: qla2xxx: Remove setting of 'req' and 'rsp' parameters (bsc#1201958).\n- scsi: qla2xxx: Remove unused 'ql_dm_tgt_ex_pct' parameter (bsc#1201958).\n- scsi: qla2xxx: Turn off multi-queue for 8G adapters (bsc#1201958).\n- scsi: qla2xxx: Update manufacturer details (bsc#1201958).\n- scsi: qla2xxx: Update version to 10.02.07.500-k (bsc#1201958).\n- scsi: qla2xxx: Update version to 10.02.07.600-k (bsc#1201958).\n- scsi: qla2xxx: Update version to 10.02.07.700-k (bsc#1201958).\n- scsi: qla2xxx: Update version to 10.02.07.800-k (bsc#1201958).\n- scsi: qla2xxx: Wind down adapter after PCIe error (bsc#1201958).\n- scsi: qla2xxx: Zero undefined mailbox IN registers (bsc#1201651).\n- scsi: qla2xxx: edif: Add bsg interface to read doorbell events (bsc#1201958).\n- scsi: qla2xxx: edif: Add retry for ELS passthrough (bsc#1201958).\n- scsi: qla2xxx: edif: Fix I/O timeout due to over-subscription (bsc#1201958).\n- scsi: qla2xxx: edif: Fix dropped IKE message (bsc#1201651).\n- scsi: qla2xxx: edif: Fix n2n discovery issue with secure target (bsc#1201958).\n- scsi: qla2xxx: edif: Fix n2n login retry for secure device (bsc#1201958).\n- scsi: qla2xxx: edif: Fix no login after app start (bsc#1201958).\n- scsi: qla2xxx: edif: Fix no logout on delete for N2N (bsc#1201958).\n- scsi: qla2xxx: edif: Fix potential stuck session in sa update (bsc#1201958).\n- scsi: qla2xxx: edif: Fix session thrash (bsc#1201958).\n- scsi: qla2xxx: edif: Fix slow session teardown (bsc#1201958).\n- scsi: qla2xxx: edif: Reduce Initiator-Initiator thrashing (bsc#1201958).\n- scsi: qla2xxx: edif: Reduce N2N thrashing at app_start time (bsc#1201958).\n- scsi: qla2xxx: edif: Reduce disruption due to multiple app start (bsc#1201958).\n- scsi: qla2xxx: edif: Remove old doorbell interface (bsc#1201958).\n- scsi: qla2xxx: edif: Send LOGO for unexpected IKE message (bsc#1201958).\n- scsi: qla2xxx: edif: Synchronize NPIV deletion with authentication application (bsc#1201958).\n- scsi: qla2xxx: edif: Tear down session if keys have been removed (bsc#1201958).\n- scsi: qla2xxx: edif: Wait for app to ack on sess down (bsc#1201958).\n- scsi: qla2xxx: edif: bsg refactor (bsc#1201958).\n- x86/entry: Remove skip_r11rcx (bsc#1201644).\n- x86/retbleed: Add fine grained Kconfig knobs (bsc#1114648).\n- xen/netback: avoid entering xenvif_rx_next_skb() with an empty rx queue (bsc#1201381).\n","affected":[{"package":{"name":"kernel-azure","ecosystem":"SUSE:Linux Enterprise Server 12 SP5","purl":"pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.12.14-16.106.1"}]}],"ecosystem_specific":{"binaries":[{"kernel-azure":"4.12.14-16.106.1","kernel-azure-base":"4.12.14-16.106.1","kernel-azure-devel":"4.12.14-16.106.1","kernel-devel-azure":"4.12.14-16.106.1","kernel-source-azure":"4.12.14-16.106.1","kernel-syms-azure":"4.12.14-16.106.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2022:2720-1.json"}},{"package":{"name":"kernel-source-azure","ecosystem":"SUSE:Linux Enterprise Server 12 SP5","purl":"pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.12.14-16.106.1"}]}],"ecosystem_specific":{"binaries":[{"kernel-azure":"4.12.14-16.106.1","kernel-azure-base":"4.12.14-16.106.1","kernel-azure-devel":"4.12.14-16.106.1","kernel-devel-azure":"4.12.14-16.106.1","kernel-source-azure":"4.12.14-16.106.1","kernel-syms-azure":"4.12.14-16.106.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2022:2720-1.json"}},{"package":{"name":"kernel-syms-azure","ecosystem":"SUSE:Linux Enterprise Server 12 SP5","purl":"pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.12.14-16.106.1"}]}],"ecosystem_specific":{"binaries":[{"kernel-azure":"4.12.14-16.106.1","kernel-azure-base":"4.12.14-16.106.1","kernel-azure-devel":"4.12.14-16.106.1","kernel-devel-azure":"4.12.14-16.106.1","kernel-source-azure":"4.12.14-16.106.1","kernel-syms-azure":"4.12.14-16.106.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2022:2720-1.json"}},{"package":{"name":"kernel-azure","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP5","purl":"pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.12.14-16.106.1"}]}],"ecosystem_specific":{"binaries":[{"kernel-azure":"4.12.14-16.106.1","kernel-azure-base":"4.12.14-16.106.1","kernel-azure-devel":"4.12.14-16.106.1","kernel-devel-azure":"4.12.14-16.106.1","kernel-source-azure":"4.12.14-16.106.1","kernel-syms-azure":"4.12.14-16.106.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2022:2720-1.json"}},{"package":{"name":"kernel-source-azure","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP5","purl":"pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.12.14-16.106.1"}]}],"ecosystem_specific":{"binaries":[{"kernel-azure":"4.12.14-16.106.1","kernel-azure-base":"4.12.14-16.106.1","kernel-azure-devel":"4.12.14-16.106.1","kernel-devel-azure":"4.12.14-16.106.1","kernel-source-azure":"4.12.14-16.106.1","kernel-syms-azure":"4.12.14-16.106.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2022:2720-1.json"}},{"package":{"name":"kernel-syms-azure","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP5","purl":"pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.12.14-16.106.1"}]}],"ecosystem_specific":{"binaries":[{"kernel-azure":"4.12.14-16.106.1","kernel-azure-base":"4.12.14-16.106.1","kernel-azure-devel":"4.12.14-16.106.1","kernel-devel-azure":"4.12.14-16.106.1","kernel-source-azure":"4.12.14-16.106.1","kernel-syms-azure":"4.12.14-16.106.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2022:2720-1.json"}}],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2022/suse-su-20222720-1/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1103269"},{"type":"REPORT","url":"https://bugzilla.suse.com/1114648"},{"type":"REPORT","url":"https://bugzilla.suse.com/1190812"},{"type":"REPORT","url":"https://bugzilla.suse.com/1195775"},{"type":"REPORT","url":"https://bugzilla.suse.com/1195926"},{"type":"REPORT","url":"https://bugzilla.suse.com/1198484"},{"type":"REPORT","url":"https://bugzilla.suse.com/1198829"},{"type":"REPORT","url":"https://bugzilla.suse.com/1200442"},{"type":"REPORT","url":"https://bugzilla.suse.com/1200598"},{"type":"REPORT","url":"https://bugzilla.suse.com/1200644"},{"type":"REPORT","url":"https://bugzilla.suse.com/1200651"},{"type":"REPORT","url":"https://bugzilla.suse.com/1200910"},{"type":"REPORT","url":"https://bugzilla.suse.com/1201196"},{"type":"REPORT","url":"https://bugzilla.suse.com/1201381"},{"type":"REPORT","url":"https://bugzilla.suse.com/1201429"},{"type":"REPORT","url":"https://bugzilla.suse.com/1201635"},{"type":"REPORT","url":"https://bugzilla.suse.com/1201636"},{"type":"REPORT","url":"https://bugzilla.suse.com/1201644"},{"type":"REPORT","url":"https://bugzilla.suse.com/1201651"},{"type":"REPORT","url":"https://bugzilla.suse.com/1201742"},{"type":"REPORT","url":"https://bugzilla.suse.com/1201752"},{"type":"REPORT","url":"https://bugzilla.suse.com/1201930"},{"type":"REPORT","url":"https://bugzilla.suse.com/1201940"},{"type":"REPORT","url":"https://bugzilla.suse.com/1201954"},{"type":"REPORT","url":"https://bugzilla.suse.com/1201958"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2020-36557"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2020-36558"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-33655"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-33656"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2022-1462"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2022-20166"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2022-36946"}]}