SUSE-SU-2021:2198-1

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SUSE-SU-2021:2198-1

Summary: Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP3)

Details: 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 bpf_ringbuf_reserve 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 rtw_wx_set_scan (bsc#1183593). - Fixed a data loss/data corruption that occurs if there is a write error on an md/raid array (bsc#1185847).

References: https://www.suse.com/support/update/announcement/2021/suse-su-20212198-1/, https://bugzilla.suse.com/1183658, https://bugzilla.suse.com/1184710, https://bugzilla.suse.com/1184952, https://bugzilla.suse.com/1185796, https://bugzilla.suse.com/1185847, https://bugzilla.suse.com/1185856, https://bugzilla.suse.com/1185899, https://bugzilla.suse.com/1186285, https://www.suse.com/security/cve/CVE-2020-36322, https://www.suse.com/security/cve/CVE-2021-28660, https://www.suse.com/security/cve/CVE-2021-29154, https://www.suse.com/security/cve/CVE-2021-32399, https://www.suse.com/security/cve/CVE-2021-33034, https://www.suse.com/security/cve/CVE-2021-3489, https://www.suse.com/security/cve/CVE-2021-3490