Security update for the Linux Kernel (Live Patch 10 for SLE 15 SP2) SUSE Patch security@suse.de SUSE Security Team SUSE-SU-2021:3737-1 Final 1 1 2021-11-19T14:35:13Z current 2021-11-19T14:35:13Z 2021-11-19T14:35:13Z cve-database/bin/generate-cvrf.pl 2017-02-24T01:00:00Z Security update for the Linux Kernel (Live Patch 10 for SLE 15 SP2) This update for the Linux Kernel 5.3.18-24_49 fixes several issues. The following security issues were fixed: - CVE-2021-3752: Fixed vulnerability in the linux kernel Bluetooth uaf module (bsc#1190432). - CVE-2021-41864: Fixed an integer overflow with a resultant out-of-bounds write in prealloc_elems_and_freelist in kernel/bpf/stackmap.c (bsc#1191318). The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). SUSE-2021-3737,SUSE-SLE-Module-Live-Patching-15-SP2-2021-3737 Copyright SUSE LLC under the Creative Commons License 4.0 with Attribution (CC-BY-4.0) https://www.suse.com/support/update/announcement/2021/suse-su-20213737-1/ Link for SUSE-SU-2021:3737-1 https://lists.suse.com/pipermail/sle-security-updates/2021-November/009749.html E-Mail link for SUSE-SU-2021:3737-1 https://www.suse.com/support/security/rating/ SUSE Security Ratings https://bugzilla.suse.com/1190432 SUSE Bug 1190432 https://bugzilla.suse.com/1191318 SUSE Bug 1191318 https://www.suse.com/security/cve/CVE-2021-3752/ SUSE CVE CVE-2021-3752 page https://www.suse.com/security/cve/CVE-2021-41864/ SUSE CVE CVE-2021-41864 page SUSE Linux Enterprise Live Patching 15 SP2 kernel-livepatch-5_3_18-24_49-default-12-2.2 kernel-livepatch-5_3_18-24_49-preempt-12-2.2 kernel-livepatch-5_3_18-24_49-default-12-2.2 as a component of SUSE Linux Enterprise Live Patching 15 SP2 A use-after-free flaw was found in the Linux kernel's Bluetooth subsystem in the way user calls connect to the socket and disconnect simultaneously due to a race condition. This flaw allows a user to crash the system or escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. CVE-2021-3752 SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-24_49-default-12-2.2 important 7.9 AV:A/AC:M/Au:N/C:C/I:C/A:C 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H 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/2021/suse-su-20213737-1/ https://www.suse.com/security/cve/CVE-2021-3752.html CVE-2021-3752 https://bugzilla.suse.com/1190023 SUSE Bug 1190023 https://bugzilla.suse.com/1190432 SUSE Bug 1190432 prealloc_elems_and_freelist in kernel/bpf/stackmap.c in the Linux kernel before 5.14.12 allows unprivileged users to trigger an eBPF multiplication integer overflow with a resultant out-of-bounds write. CVE-2021-41864 SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-24_49-default-12-2.2 important 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H 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/2021/suse-su-20213737-1/ https://www.suse.com/security/cve/CVE-2021-41864.html CVE-2021-41864 https://bugzilla.suse.com/1191317 SUSE Bug 1191317 https://bugzilla.suse.com/1191318 SUSE Bug 1191318