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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2022.4789 Security update for the Linux Kernel (Live Patch 23 for SLE 15 SP3) 28 September 2022 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: linux kernel Publisher: SUSE Operating System: SUSE Resolution: Patch/Upgrade CVE Names: CVE-2022-39188 CVE-2021-39698 Original Bulletin: https://www.suse.com/support/update/announcement/2022/suse-su-20223415-1 Comment: CVSS (Max): 7.4 CVE-2021-39698 (CVSS:3.1/AV:L/AC:H/PR:N/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:H/PR:N/UI:N/S:U/C:H/I:H/A:H - --------------------------BEGIN INCLUDED TEXT-------------------- SUSE Security Update: Security update for the Linux Kernel (Live Patch 23 for SLE 15 SP3) ______________________________________________________________________________ Announcement ID: SUSE-SU-2022:3415-1 Rating: important References: #1196959 #1203116 Cross-References: CVE-2021-39698 CVE-2022-39188 Affected Products: SUSE Linux Enterprise High Performance Computing 15-SP3 SUSE Linux Enterprise Micro 5.1 SUSE Linux Enterprise Module for Live Patching 15-SP3 SUSE Linux Enterprise Server 15-SP3 SUSE Linux Enterprise Server for SAP Applications 15-SP3 ______________________________________________________________________________ An update that fixes two vulnerabilities is now available. Description: This update for the Linux Kernel 5.3.18-150300_59_90 fixes several issues. The following security issues were fixed: o CVE-2022-39188: Fixed a race condition between unmap_mapping_range() and munmap() on VM_PFNMAP mappings leads to stale TLB entry (bsc#1203116). o CVE-2021-39698: Fixed a memory corruption due to a use after free that could lead to local escalation of privilege with no additional execution privileges needed (bsc#1196959). 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-SP3: zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP3-2022-3415=1 Package List: o SUSE Linux Enterprise Module for Live Patching 15-SP3 (ppc64le s390x x86_64): kernel-livepatch-5_3_18-150300_59_90-default-3-150300.2.2 References: o https://www.suse.com/security/cve/CVE-2021-39698.html o https://www.suse.com/security/cve/CVE-2022-39188.html o https://bugzilla.suse.com/1196959 o https://bugzilla.suse.com/1203116 - --------------------------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/ iQIVAwUBYzOwdskNZI30y1K9AQjxWw//bmNpnSo1AHDWZ3Efhf8j0KxzJdriEQQg 80Hf1nY348Bwh4Sbql2xFBBhrmY25LPTiHgZjAYya4zh9pDATC6dDWXwtoCPkEtk rPNAK8yQk2w2k0g38UXRJ2WGdd1ue71m5Es3DexHYqGvPzVYUq68qj3lk/0r5Q7V oPdHf8XrvWJJ5RDIrwEbtC2jaKTh/Osofmn4n4SGTjmh0zCHGUwC2cwXhQN9KKZh 5bkib5vn/zDZMSAJEhsAI9Xj93iBGdHUfq0gYdD58z1/pyYocaJwLQW9lpryhlNE POGnuFZoQdxHWfSThmQSS92Vf8039nBAtdRDSGR44gPryuA5mI9Z3Rb0WKHuUCgP NHAo6ecDropczGTXrGn1ysVt9dRwFgLpYbyvrUF9DS2EsP2nr/3++rTdzKu/6LaV MRrE3g9HNtO8TmOu1lwGkbxOvGe1YTJdDNbXuhn0wPJIYBnPpC9EW+Q3ZYSqfQKs ZyNeEExMxE1GYX5aobnDkuylyiir5bLPEbtIO+qYbG/orqRKjXvazceOLChsC+sK TCvNyaL47pjO3mlasER8RyctHjLxQ1mQYP7D49GZa5QRN8MhaI1caBoqGy54Ol1e lHFJYrTWHOOC04v+t1NPy/JnEv2vDT8rVlPm6d0MWMwhwh6KM3rTBhSga+rzPLw2 VjrIV+ixuJA= =V2cn -----END PGP SIGNATURE-----