Security update for the Linux Kernel (Live Patch 14 for SLE 12 SP4) SUSE Patch security@suse.de SUSE Security Team SUSE-SU-2020:2509-1 Final 1 1 2020-09-04T11:31:23Z current 2020-09-04T11:31:23Z 2020-09-04T11:31:23Z cve-database/bin/generate-cvrf.pl 2017-02-24T01:00:00Z Security update for the Linux Kernel (Live Patch 14 for SLE 12 SP4) This update for the Linux Kernel 4.12.14-95_54 fixes several issues. The following security issues were fixed: - 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). - CVE-2020-1749: Fixed a flaw in IPsec where some IPv6 protocols were not encrypted (bsc#1165631). The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). SUSE-2020-2509,SUSE-SLE-Live-Patching-12-SP4-2020-2509 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-20202509-1/ Link for SUSE-SU-2020:2509-1 https://lists.suse.com/pipermail/sle-security-updates/2020-September/007362.html E-Mail link for SUSE-SU-2020:2509-1 https://www.suse.com/support/security/rating/ SUSE Security Ratings https://bugzilla.suse.com/1165631 SUSE Bug 1165631 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-2020-14331/ SUSE CVE CVE-2020-14331 page https://www.suse.com/security/cve/CVE-2020-15780/ SUSE CVE CVE-2020-15780 page https://www.suse.com/security/cve/CVE-2020-1749/ SUSE CVE CVE-2020-1749 page SUSE Linux Enterprise Live Patching 12 SP4 kgraft-patch-4_12_14-95_54-default-2-2.2 kgraft-patch-4_12_14-95_54-default-2-2.2 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_54-default-2-2.2 moderate 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P 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-20202509-1/ 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'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_54-default-2-2.2 important 7.2 AV:L/AC:L/Au:N/C:C/I:C/A:C 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-20202509-1/ 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_54-default-2-2.2 important 7.2 AV:L/AC:L/Au:N/C:C/I:C/A:C 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-20202509-1/ 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 A flaw was found in the Linux kernel's implementation of some networking protocols in IPsec, such as VXLAN and GENEVE tunnels over IPv6. When an encrypted tunnel is created between two hosts, the kernel isn't correctly routing tunneled data over the encrypted link; rather sending the data unencrypted. This would allow anyone in between the two endpoints to read the traffic unencrypted. The main threat from this vulnerability is to data confidentiality. CVE-2020-1749 SUSE Linux Enterprise Live Patching 12 SP4:kgraft-patch-4_12_14-95_54-default-2-2.2 important 5 AV:N/AC:L/Au:N/C:P/I:N/A:N 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-20202509-1/ https://www.suse.com/security/cve/CVE-2020-1749.html CVE-2020-1749 https://bugzilla.suse.com/1165629 SUSE Bug 1165629 https://bugzilla.suse.com/1165631 SUSE Bug 1165631 https://bugzilla.suse.com/1177511 SUSE Bug 1177511 https://bugzilla.suse.com/1177513 SUSE Bug 1177513 https://bugzilla.suse.com/1189302 SUSE Bug 1189302