Security update for the Linux Kernel (Live Patch 1 for SLE 15 SP3)
This update for the Linux Kernel 5.3.18-59_5 fixes several issues. The following security issues were fixed: - 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).
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
This update for the Linux Kernel 5.3.18-59_5 fixes several issues. The following security issues were fixed: - 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).
05 / REFERENCES
Further evidence
- https://bugzilla.suse.com/1187054
- https://bugzilla.suse.com/1188613
- https://bugzilla.suse.com/1190118
- 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-2021-38160
- https://www.suse.com/support/update/announcement/2021/suse-su-20213374-1/