SUSE-SU-2021:1266-1

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 nttyreceivecharspecial (bsc#1184397).

The following non-security bugs were fixed:

• cifs: change noisy error message to FYI (bsc#1181507).
• cifsdebug: use %pd instead of messing with ->dname (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 'skbfragaddress()' instead of hand coding it (bsc#1184114 ltc#192237).
• locking/mutex: Fix non debug version of mutexlockio_nested() (git-fixes).
• net: sched: disable TCQFNOLOCK for pfifo_fast (bsc#1183405)
• powerpc/64s: Fix instruction encoding for lis in ppcfunctionentry() (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 s390mmioread/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).