SUSE-SU-2021:3401-1

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SUSE-SU-2021:3401-1

Summary: Security update for the Linux Kernel (Live Patch 23 for SLE 15)

Details: This update for the Linux Kernel 4.12.14-150_69 fixes several issues. The following security issues were fixed: - CVE-2021-3715: Fixed a user-after-free in the Linux kernel's Traffic Control networking subsystem which could lead to local privilege escalation. (bsc#1190350). - CVE-2021-38160: Fixed a bug that could lead to a data corruption or loss. This can be triggered by an untrusted device that supplies a buf->len value exceeding the buffer size in drivers/char/virtio_console.c (bsc#1190118) - CVE-2021-3640: Fixed a user-after-free bug in the function sco_sock_sendmsg which could lead to local privilege escalation. (bsc#1188613) - CVE-2021-3573: Fixed a user-after-free bug in the function hci_sock_bound_ioctl which could lead to local privilege escalation. (bsc#1187054).

References: https://www.suse.com/support/update/announcement/2021/suse-su-20213401-1/, https://bugzilla.suse.com/1187054, https://bugzilla.suse.com/1188613, https://bugzilla.suse.com/1190118, https://bugzilla.suse.com/1190350, https://www.suse.com/security/cve/CVE-2021-3573, https://www.suse.com/security/cve/CVE-2021-3640, https://www.suse.com/security/cve/CVE-2021-3715, https://www.suse.com/security/cve/CVE-2021-38160