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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2022.4423 Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP4) 7 September 2022 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Linux kernel Publisher: SUSE Operating System: SUSE Resolution: Patch/Upgrade CVE Names: CVE-2022-36946 CVE-2022-2585 CVE-2020-36516 Original Bulletin: https://www.suse.com/support/update/announcement/2022/suse-su-20223108-1 Comment: CVSS (Max): 8.4 CVE-2022-2585 (CVSS:3.1/AV:L/AC:L/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:L/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 0 for SLE 15 SP4) ______________________________________________________________________________ Announcement ID: SUSE-SU-2022:3108-1 Rating: important References: #1196867 #1201941 #1202163 Cross-References: CVE-2020-36516 CVE-2022-2585 CVE-2022-36946 Affected Products: SUSE Linux Enterprise High Performance Computing 15-SP4 SUSE Linux Enterprise Module for Live Patching 15-SP4 SUSE Linux Enterprise Server 15-SP4 SUSE Linux Enterprise Server for SAP Applications 15-SP4 ______________________________________________________________________________ An update that fixes three vulnerabilities is now available. Description: This update for the Linux Kernel 5.14.21-150400_22 fixes several issues. The following security issues were fixed: o CVE-2020-36516: Fixed an off-path attack via mixed IPID assignment method with the hash-based IPID assignment policy to inject data into a victim's TCP session or terminate that session (bsc#1196867). o CVE-2022-2585: Fixed use-after-free in POSIX CPU timer (bsc#1202163). o CVE-2022-36946: Fixed a remote denial of service attack inside nfqnl_mangle in net/netfilter/nfnetlink_queue.c, in the case of an nf_queue verdict with a one-byte nfta_payload attribute, an skb_pull can encounter a negative length (bsc#1201941). 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-SP4: zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2022-3108=1 Package List: o SUSE Linux Enterprise Module for Live Patching 15-SP4 (ppc64le s390x x86_64): kernel-livepatch-5_14_21-150400_22-default-5-150400.4.12.3 kernel-livepatch-5_14_21-150400_22-default-debuginfo-5-150400.4.12.3 kernel-livepatch-SLE15-SP4_Update_0-debugsource-5-150400.4.12.3 References: o https://www.suse.com/security/cve/CVE-2020-36516.html o https://www.suse.com/security/cve/CVE-2022-2585.html o https://www.suse.com/security/cve/CVE-2022-36946.html o https://bugzilla.suse.com/1196867 o https://bugzilla.suse.com/1201941 o https://bugzilla.suse.com/1202163 - --------------------------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/ iQIVAwUBYxg8BskNZI30y1K9AQjadxAAu5YC4YLC6kbxwDTGpZ5yQYhYiEZAGZrr oSnmV5KAUyYZM+Mai0M9S2QHiqVS+7EIj9lhL7yXTlVmeDbxD0ykYppc4GddUPn4 lWck3On2Ws1bwY1UMIHKteD1JUAQ9fbbHka8VOKSOfB0mzGFAmVOLpKbXQqqPPzC Tbjs+Rms7RsVriKl31Iy9m4Y1CGtsxmFV15C05zkckIBhClSCiw/PIf0QFXGMXMw m9ygENwQ6etUnPwBm1oQBhkCpInR+qdSzG4ZUALCxqWF7vQ5+3OeiNjN8MmjqD8l YDAjj82v7a3STGJqPwoHiCinzDilS3Qgz2+x3YRcX4HV0X/q3+Z4NnVf7WQjx8+9 jfZRlzOwfB6MFCjcOU38wFv4P2VzjVkt5zew4jhbJXd3HdH7dVRL/nXCaNsCwuRw uTtM1O2XDGF1t1ywn4zAju9+nu01woFTvBSiKbKWCkSAV0PbtDZlxF6wOjiEncdk 9SPwwMPRu6VuVecan77JoovQA7cNmmIksbLf+enJC6j6qBJlZpQmYkAtSwiX2E3u ubV25CZRj9IQRUbh6YZQEhFebCzg7hAoz1B+enPIn5M5pBKcKliW8+477QFQB5pi 4KoXUSPtAnUSWO2RLIieGzWJieDTkiMHoCEahRia6nDPyyhFGJR19n3vhsbqH/+O 4sn2bf1bCqw= =CSbp -----END PGP SIGNATURE-----