SUSE-SU-2021:2198-1

This update for the Linux Kernel 5.3.18-57 fixes several issues.

The following issues were fixed:

• CVE-2021-3489: Fixed an issue where the eBPF RINGBUF bpfringbufreserve did not check that the allocated size was smaller than the ringbuf size (bsc#1185640).
• CVE-2021-3490: Fixed an issue where the eBPF ALU32 bounds tracking for bitwise ops (AND, OR and XOR) did not update the 32-bit bounds (bsc#1185641).
• CVE-2021-33034: Fixed a use-after-free when destroying an hci_chan. This could lead to writing an arbitrary values (bsc#1186111).
• CVE-2021-32399: Fixed a race condition when removing the HCI controller (bsc#1184611).
• CVE-2020-36322: Fixed an issue was discovered in FUSE filesystem implementation which could have caused a system crash (bsc#1184211).
• CVE-2021-29154: Fixed incorrect computation of branch displacements, allowing arbitrary code execution (bsc#1184391).
• CVE-2021-28660: Fixed an out of bounds write in rtwwxset_scan (bsc#1183593).
• Fixed a data loss/data corruption that occurs if there is a write error on an md/raid array (bsc#1185847).