SUSE-SU-2021:1266-1

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SUSE-SU-2021:1266-1

Summary: Security update for the Linux Kernel

Details: The SUSE Linux Enterprise 12 SP5 kernel RT was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2021-29154: Fixed incorrect computation of branch displacements, allowing arbitrary code execution (bsc#1184391). - CVE-2020-25670, CVE-2020-25671, CVE-2020-25672, CVE-2020-25673: Fixed multiple bugs in NFC subsytem (bsc#1178181). - CVE-2020-36311: Fixed a denial of service (soft lockup) by triggering destruction of a large SEV VM (bsc#1184511). - CVE-2021-3483: Fixed a use-after-free in nosy.c (bsc#1184393). - CVE-2021-30002: Fixed a memory leak for large arguments in video_usercopy (bsc#1184120). - CVE-2021-20219: Fixed a denial of service in n_tty_receive_char_special (bsc#1184397). The following non-security bugs were fixed: - cifs: change noisy error message to FYI (bsc#1181507). - cifs_debug: use %pd instead of messing with ->d_name (bsc#1181507). - cifs: do not send close in compound create+close requests (bsc#1181507). - cifs: New optype for session operations (bsc#1181507). - cifs: print MIDs in decimal notation (bsc#1181507). - cifs: return proper error code in statfs(2) (bsc#1181507). - cifs: Tracepoints and logs for tracing credit changes (bsc#1181507). - fix setting irq affinity (bsc#1184583) - ibmvnic: Use 'skb_frag_address()' instead of hand coding it (bsc#1184114 ltc#192237). - locking/mutex: Fix non debug version of mutex_lock_io_nested() (git-fixes). - net: sched: disable TCQ_F_NOLOCK for pfifo_fast (bsc#1183405) - powerpc/64s: Fix instruction encoding for lis in ppc_function_entry() (bsc#1065729). - powerpc/pmem: Include pmem prototypes (bsc#1113295 git-fixes). - powerpc/pseries/mobility: handle premature return from H_JOIN (bsc#1181674 ltc#189159 git-fixes bsc#1183662 ltc#191922). - powerpc/pseries/mobility: use struct for shared state (bsc#1181674 ltc#189159 git-fixes bsc#1183662 ltc#191922). - powerpc/pseries/ras: Remove unused variable 'status' (bsc#1065729). - s390/pci: Fix s390_mmio_read/write with MIO (LTC#192079 bsc#1183755). - smb3: add dynamic trace point to trace when credits obtained (bsc#1181507). - smb3: fix crediting for compounding when only one request in flight (bsc#1181507). - usbip: fix stub_dev to check for stream socket (git-fixes). - usbip: fix vhci_hcd to check for stream socket (git-fixes). - virsh: list is showing less guests then 'xl list' (bsc#1184513). - vsprintf: Do not have bprintf dereference pointers (bsc#1184494). - vsprintf: Do not preprocess non-dereferenced pointers for bprintf (%px and %pK) (bsc#1184494). - vsprintf: Fix off-by-one bug in bstr_printf() processing dereferenced pointers (bsc#1184494).

References: https://www.suse.com/support/update/announcement/2021/suse-su-20211266-1/, https://bugzilla.suse.com/1065729, https://bugzilla.suse.com/1113295, https://bugzilla.suse.com/1178181, https://bugzilla.suse.com/1181507, https://bugzilla.suse.com/1181674, https://bugzilla.suse.com/1183405, https://bugzilla.suse.com/1183662, https://bugzilla.suse.com/1183755, https://bugzilla.suse.com/1184114, https://bugzilla.suse.com/1184120, https://bugzilla.suse.com/1184170, https://bugzilla.suse.com/1184391, https://bugzilla.suse.com/1184393, https://bugzilla.suse.com/1184397, https://bugzilla.suse.com/1184494, https://bugzilla.suse.com/1184511, https://bugzilla.suse.com/1184583, https://www.suse.com/security/cve/CVE-2020-25670, https://www.suse.com/security/cve/CVE-2020-25671, https://www.suse.com/security/cve/CVE-2020-25672, https://www.suse.com/security/cve/CVE-2020-25673, https://www.suse.com/security/cve/CVE-2020-36311, https://www.suse.com/security/cve/CVE-2021-20219, https://www.suse.com/security/cve/CVE-2021-29154, https://www.suse.com/security/cve/CVE-2021-30002, https://www.suse.com/security/cve/CVE-2021-3483