SUSE-SU-2021:1074-1

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SUSE-SU-2021:1074-1

Summary: Security update for the Linux Kernel (Live Patch 38 for SLE 12 SP3)

Details: This update for the Linux Kernel 4.4.180-94_141 fixes several issues. The following security issues were fixed: - CVE-2021-27365: Fixed an issue where data structures did not have appropriate length constraints or checks, and could exceed the PAGE_SIZE value (bsc#1183491). - CVE-2021-27363: Fixed a kernel pointer leak which could have been used to determine the address of the iscsi_transport structure (bsc#1183120). - CVE-2021-27364: Fixed an issue where an unprivileged user could craft Netlink messages (bsc#1182717). - CVE-2020-25645: Fixed an an issue in IPsec that caused traffic between two Geneve endpoints to be unencrypted (bsc#1177513). - CVE-2020-0429: Fixed a memory corruption due to a use after free which could have led to local escalation of privilege with System execution privileges needed (bsc#1176931). - CVE-2020-1749: Use ip6_dst_lookup_flow instead of ip6_dst_lookup (bsc#1165631).

References: https://www.suse.com/support/update/announcement/2021/suse-su-20211074-1/, https://bugzilla.suse.com/1165631, https://bugzilla.suse.com/1176931, https://bugzilla.suse.com/1177513, https://bugzilla.suse.com/1182717, https://bugzilla.suse.com/1183120, https://bugzilla.suse.com/1183491, https://www.suse.com/security/cve/CVE-2020-0429, https://www.suse.com/security/cve/CVE-2020-1749, https://www.suse.com/security/cve/CVE-2020-25645, https://www.suse.com/security/cve/CVE-2021-27363, https://www.suse.com/security/cve/CVE-2021-27364, https://www.suse.com/security/cve/CVE-2021-27365