Security update for the Linux Kernel (Live Patch 13 for SLE 12 SP4) SUSE Patch security@suse.de SUSE Security Team SUSE-SU-2020:2508-1 Final 1 1 2020-09-04T11:31:14Z current 2020-09-04T11:31:14Z 2020-09-04T11:31:14Z cve-database/bin/generate-cvrf.pl 2017-02-24T01:00:00Z Security update for the Linux Kernel (Live Patch 13 for SLE 12 SP4) This update for the Linux Kernel 4.12.14-95_51 fixes several issues. The following security issues were fixed: - CVE-2020-10757: Fixed a privilege escalation in the mremap handling of DAX Huge Pages (bsc#1172437). - CVE-2020-14331: Fixed a buffer over-write in vgacon_scroll (bsc#1174247). - CVE-2020-15780: Fixed a lockdown bypass via injection of malicious ACPI tables via configfs (bsc#1174186). - CVE-2019-16746: Fixed a buffer overflow in net/wireless/nl80211.c (bsc#1173659). The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). SUSE-2020-2508,SUSE-SLE-Live-Patching-12-SP4-2020-2508 Copyright SUSE LLC under the Creative Commons License 4.0 with Attribution (CC-BY-4.0) https://www.suse.com/support/update/announcement/2020/suse-su-20202508-1/ Link for SUSE-SU-2020:2508-1 https://lists.suse.com/pipermail/sle-security-updates/2020-September/007368.html E-Mail link for SUSE-SU-2020:2508-1 https://www.suse.com/support/security/rating/ SUSE Security Ratings https://bugzilla.suse.com/1172437 SUSE Bug 1172437 https://bugzilla.suse.com/1173659 SUSE Bug 1173659 https://bugzilla.suse.com/1174186 SUSE Bug 1174186 https://bugzilla.suse.com/1174247 SUSE Bug 1174247 https://www.suse.com/security/cve/CVE-2019-16746/ SUSE CVE CVE-2019-16746 page https://www.suse.com/security/cve/CVE-2020-10757/ SUSE CVE CVE-2020-10757 page https://www.suse.com/security/cve/CVE-2020-14331/ SUSE CVE CVE-2020-14331 page https://www.suse.com/security/cve/CVE-2020-15780/ SUSE CVE CVE-2020-15780 page SUSE Linux Enterprise Live Patching 12 SP4 kgraft-patch-4_12_14-95_51-default-4-2.2 kgraft-patch-4_12_14-95_51-default-4-2.2 as a component of SUSE Linux Enterprise Live Patching 12 SP4 An issue was discovered in net/wireless/nl80211.c in the Linux kernel through 5.2.17. It does not check the length of variable elements in a beacon head, leading to a buffer overflow. CVE-2019-16746 SUSE Linux Enterprise Live Patching 12 SP4:kgraft-patch-4_12_14-95_51-default-4-2.2 important To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2020/suse-su-20202508-1/ https://www.suse.com/security/cve/CVE-2019-16746.html CVE-2019-16746 https://bugzilla.suse.com/1152107 SUSE Bug 1152107 https://bugzilla.suse.com/1173659 SUSE Bug 1173659 A flaw was found in the Linux Kernel in versions after 4.5-rc1 in the way mremap handled DAX Huge Pages. This flaw allows a local attacker with access to a DAX enabled storage to escalate their privileges on the system. CVE-2020-10757 SUSE Linux Enterprise Live Patching 12 SP4:kgraft-patch-4_12_14-95_51-default-4-2.2 important To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2020/suse-su-20202508-1/ https://www.suse.com/security/cve/CVE-2020-10757.html CVE-2020-10757 https://bugzilla.suse.com/1159281 SUSE Bug 1159281 https://bugzilla.suse.com/1172317 SUSE Bug 1172317 https://bugzilla.suse.com/1172437 SUSE Bug 1172437 A flaw was found in the Linux kernel’s implementation of the invert video code on VGA consoles when a local attacker attempts to resize the console, calling an ioctl VT_RESIZE, which causes an out-of-bounds write to occur. This flaw allows a local user with access to the VGA console to crash the system, potentially escalating their privileges on the system. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. CVE-2020-14331 SUSE Linux Enterprise Live Patching 12 SP4:kgraft-patch-4_12_14-95_51-default-4-2.2 important To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2020/suse-su-20202508-1/ https://www.suse.com/security/cve/CVE-2020-14331.html CVE-2020-14331 https://bugzilla.suse.com/1174205 SUSE Bug 1174205 https://bugzilla.suse.com/1174247 SUSE Bug 1174247 An issue was discovered in drivers/acpi/acpi_configfs.c in the Linux kernel before 5.7.7. Injection of malicious ACPI tables via configfs could be used by attackers to bypass lockdown and secure boot restrictions, aka CID-75b0cea7bf30. CVE-2020-15780 SUSE Linux Enterprise Live Patching 12 SP4:kgraft-patch-4_12_14-95_51-default-4-2.2 important To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2020/suse-su-20202508-1/ https://www.suse.com/security/cve/CVE-2020-15780.html CVE-2020-15780 https://bugzilla.suse.com/1173573 SUSE Bug 1173573 https://bugzilla.suse.com/1174186 SUSE Bug 1174186