Affected Products: SUSE Linux Enterprise Server 12-SP5 ______________________________________________________________________________
An update that solves 9 vulnerabilities and has 5 fixes is now available.
Description:
The SUSE Linux Enterprise 12 SP5 Azure kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
- 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-2021-29154: Fixed incorrect computation of branch displacements, allowing arbitrary code execution (bsc#1184391). - CVE-2021-30002: Fixed a memory leak for large arguments in video_usercopy (bsc#1184120). - CVE-2021-3483: Fixed a use-after-free in nosy.c (bsc#1184393). - CVE-2021-20219: Fixed a denial of service in n_tty_receive_char_special (bsc#1184397).
The following non-security bugs were fixed:
- cifs: do not send close in compound create+close requests (bsc#1181507). - 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/ras: Remove unused variable 'status' (bsc#1065729). - s390/pci: Fix s390_mmio_read/write with MIO (LTC#192079 bsc#1183755). - 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). - x86/mem_encrypt: Correct physical address calculation in __set_clr_pte_enc() (12sp5). - xen/events: fix setting irq affinity (bsc#1184583).
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:
- SUSE Linux Enterprise Server 12-SP5:
zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-1248=1
