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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2022.6024 Security update for the Linux Kernel (Live Patch 31 for SLE 15) 18 November 2022 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Linux Kernel Publisher: SUSE Operating System: SUSE Resolution: Patch/Upgrade CVE Names: CVE-2022-42703 CVE-2022-2588 CVE-2021-33655 CVE-2020-36558 CVE-2020-36557 Original Bulletin: https://www.suse.com/support/update/announcement/2022/suse-su-20224027-1 Comment: CVSS (Max): 7.8 CVE-2022-2588 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) CVSS Source: SUSE Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - --------------------------BEGIN INCLUDED TEXT-------------------- SUSE Security Update: Security update for the Linux Kernel (Live Patch 31 for SLE 15) ______________________________________________________________________________ Announcement ID: SUSE-SU-2022:4027-1 Rating: important References: #1201742 #1201752 #1202087 #1203613 #1204170 Cross-References: CVE-2020-36557 CVE-2020-36558 CVE-2021-33655 CVE-2022-2588 CVE-2022-42703 Affected Products: SUSE Linux Enterprise High Performance Computing 15 SUSE Linux Enterprise Module for Live Patching 15 SUSE Linux Enterprise Server 15 SUSE Linux Enterprise Server for SAP Applications 15 ______________________________________________________________________________ An update that fixes 5 vulnerabilities is now available. Description: This update for the Linux Kernel 4.12.14-150000_150_95 fixes several issues. The following security issues were fixed: o CVE-2020-36557: Fixed a race condition between the VT_DISALLOCATE ioctl and closing/opening of ttys that could have led to a use-after-free (bnc# 1201429). o CVE-2020-36558: Fixed a race condition involving VT_RESIZEX which could lead to a NULL pointer dereference and general protection fault (bnc# 1200910). o CVE-2021-33655: Fixed out of bounds write with ioctl FBIOPUT_VSCREENINFO (bnc#1201635). o CVE-2022-2588: Fixed use-after-free in cls_route (bsc#1202096). o CVE-2022-42703: Fixed use-after-free in mm/rmap.c related to leaf anon_vma double reuse (bnc#1204168). 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: o SUSE Linux Enterprise Module for Live Patching 15: zypper in -t patch SUSE-SLE-Module-Live-Patching-15-2022-4027=1 Package List: o SUSE Linux Enterprise Module for Live Patching 15 (ppc64le x86_64): kernel-livepatch-4_12_14-150000_150_95-default-4-150000.2.1 kernel-livepatch-4_12_14-150000_150_95-default-debuginfo-4-150000.2.1 References: o https://www.suse.com/security/cve/CVE-2020-36557.html o https://www.suse.com/security/cve/CVE-2020-36558.html o https://www.suse.com/security/cve/CVE-2021-33655.html o https://www.suse.com/security/cve/CVE-2022-2588.html o https://www.suse.com/security/cve/CVE-2022-42703.html o https://bugzilla.suse.com/1201742 o https://bugzilla.suse.com/1201752 o https://bugzilla.suse.com/1202087 o https://bugzilla.suse.com/1203613 o https://bugzilla.suse.com/1204170 - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: https://auscert.org.au/gpg-key/ iQIVAwUBY3cagckNZI30y1K9AQhHig//VMlNqjh9+sFuAToTJzCgwp8rrIsE0ICp 2R3U15D0XipSJUDrw4SJRZ4Var/HMcn+O4tvzHREjCZ/459lHrKI94kPocjRPnTj 6W/S8Ms05iCPkMFhMpg9cZo5uhlW2mmfIwDCK5qhPNht78yWv1qHmb+qtbJXYFcx QEL6EhsjfVOKDcPN7cUKs2DaHeDAR2gsWBoGt4ud3vzWH2Gr6K4GcLsSEIxs0bYt NbGobYpxpbxOqC3QWL4qR9By8v/lfIGT5E0HPaGJCPLbFdCIyK83VYUrUzoAO/a4 sKeDL55ELLix7Cjv2zGxPmR0Wp+aEjiguPuBMDza7CpYtiVQ2TMRa7CfymrgLGf8 mwpctDu647aY0ptglzGRJ0ebsUuDSA7AMM8SfFxkaojOrWQBXHacWQs8iavVrkMY Fl07arngmnrBuLg97ndOZXPpq+7eJymH1EP+8lOQWqmG9IjXz1VpOqC3g2cNiDnG iw3J7lJKIRYOTUQ8wj2hVWhFEIaqLHN+HvjTPCmmfVta0rAWSeP37U5XPgs0J7UO cAb4ifRXi1UpDBu1oZcRYNTfp0xWizJ8QPLYVRaP1V/4YEYwAWz3iXAh5OribQuE oEzcC0kC2KWoPRo1poOjd6KBeOHynwGeSSTG9dLY+KU9y/+xLnqTN567ME0H0pZO T4E6lIiE3+8= =ZGzM -----END PGP SIGNATURE-----