SUSE: 2022:0327-1 important: the Linux Kernel (Live Patch 39 for SLE 12 SP3)
Summary
This update for the Linux Kernel 4.4.180-94_144 fixes several issues. The following security issues were fixed: - CVE-2018-25020: Fixed an issue in the BPF subsystem in the Linux kernel mishandled situations with a long jump over an instruction sequence where inner instructions require substantial expansions into multiple BPF instructions, leading to an overflow. (bsc#1193575) - CVE-2020-3702: Fixed a bug which could be triggered with specifically timed and handcrafted traffic and cause internal errors in a WLAN device that lead to improper layer 2 Wi-Fi encryption with a consequent possibility of information disclosure. (bsc#1191193) - CVE-2021-23134: Fixed a use After Free vulnerability in nfc sockets which allows local attackers to elevate their privileges. (bsc#1186060) - CVE-2019-0136: Fixed an insufficient access control which allow an unauthenticated user to execute a denial of service. (bsc#1193157) - CVE-2021-42739: The firewire subsystem had a buffer overflow related to drivers/media/firewire/firedtv-avc.c and drivers/media/firewire/firedtv-ci.c, because avc_ca_pmt mishandled bounds checking (bsc#1184673). Patch Instructions: To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: - SUSE Linux Enterprise Server for SAP 12-SP3: zypper in -t patch SUSE-SLE-SAP-12-SP3-2022-327=1 - SUSE Linux Enterprise Server 12-SP3-LTSS: zypper in -t patch SUSE-SLE-SERVER-12-SP3-2022-327=1 Package List: - SUSE Linux Enterprise Server for SAP 12-SP3 (ppc64le x86_64): kgraft-patch-4_4_180-94_144-default-10-2.2 kgraft-patch-4_4_180-94_144-default-debuginfo-10-2.2 - SUSE Linux Enterprise Server 12-SP3-LTSS (ppc64le x86_64): kgraft-patch-4_4_180-94_144-default-10-2.2 kgraft-patch-4_4_180-94_144-default-debuginfo-10-2.2
References
#1186061 #1191529 #1192036 #1193161 #1193863
Cross- CVE-2018-25020 CVE-2019-0136 CVE-2020-3702
CVE-2021-23134 CVE-2021-42739
CVSS scores:
CVE-2018-25020 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVE-2019-0136 (NVD) : 7.4 CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CVE-2019-0136 (SUSE): 7.4 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CVE-2020-3702 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVE-2020-3702 (SUSE): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVE-2021-23134 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVE-2021-23134 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVE-2021-42739 (SUSE): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products:
SUSE Linux Enterprise Server for SAP 12-SP3
SUSE Linux Enterprise Server 12-SP3-LTSS
https://www.suse.com/security/cve/CVE-2018-25020.html
https://www.suse.com/security/cve/CVE-2019-0136.html
https://www.suse.com/security/cve/CVE-2020-3702.html
https://www.suse.com/security/cve/CVE-2021-23134.html
https://www.suse.com/security/cve/CVE-2021-42739.html
https://bugzilla.suse.com/1186061
https://bugzilla.suse.com/1191529
https://bugzilla.suse.com/1192036
https://bugzilla.suse.com/1193161
https://bugzilla.suse.com/1193863