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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2023.3738 Security update for the Linux Kernel (Live Patch 33 for SLE 15 SP2) 30 June 2023 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Linux Kernel (Live Patch 33 for SLE 15 SP2) Publisher: SUSE Operating System: SUSE Resolution: Patch/Upgrade CVE Names: CVE-2023-31436 CVE-2023-28466 CVE-2023-1390 CVE-2022-4744 Original Bulletin: https://www.suse.com/support/update/announcement/2023/suse-su-20232698-1 Comment: CVSS (Max): 7.8 CVE-2023-28466 (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-------------------- Security update for the Linux Kernel (Live Patch 33 for SLE 15 SP2) Announcement ID: SUSE-SU-2023:2698-1 Rating: important o #1209672 o #1210452 References: o #1210779 o #1210989 o CVE-2022-4744 o CVE-2023-1390 Cross-References: o CVE-2023-28466 o CVE-2023-31436 o CVE-2022-4744 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/ S:U/C:H/I:H/A:H o CVE-2022-4744 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/ S:U/C:H/I:H/A:H o CVE-2023-1390 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/ S:U/C:N/I:N/A:H o CVE-2023-1390 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/ S:U/C:N/I:N/A:H CVSS scores: o CVE-2023-28466 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N /S:U/C:H/I:H/A:H o CVE-2023-28466 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/ S:U/C:H/I:H/A:H o CVE-2023-31436 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N /S:U/C:H/I:H/A:H o CVE-2023-31436 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/ S:U/C:H/I:H/A:H o SUSE Linux Enterprise High Performance Computing 15 SP2 Affected o SUSE Linux Enterprise Live Patching 15-SP2 Products: o SUSE Linux Enterprise Server 15 SP2 o SUSE Linux Enterprise Server for SAP Applications 15 SP2 An update that solves four vulnerabilities can now be installed. Description: This update for the Linux Kernel 5.3.18-150200_24_142 fixes several issues. The following security issues were fixed: o CVE-2022-4744: Fixed double-free that could lead to DoS or privilege escalation in TUN/TAP device driver functionality (bsc#1209672). o CVE-2023-31436: Fixed an out-of-bounds write in qfq_change_class() because lmax can exceed QFQ_MIN_LMAX (bsc#1210989). o CVE-2023-1390: Fixed remote DoS vulnerability in tipc_link_xmit() (bsc# 1210779). o CVE-2023-28466: Fixed race condition that could lead to use-after-free or NULL pointer dereference in do_tls_getsockopt in net/tls/tls_main.c (bsc# 1210452). Patch Instructions: To install this SUSE Important 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 Live Patching 15-SP2 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2023-2698=1 SUSE-SLE-Module-Live-Patching-15-SP2-2023-2699=1 Package List: o SUSE Linux Enterprise Live Patching 15-SP2 (ppc64le s390x x86_64) kernel-livepatch-SLE15-SP2_Update_34-debugsource-4-150200.2.1 kernel-livepatch-5_3_18-150200_24_142-default-5-150200.2.2 kernel-livepatch-5_3_18-150200_24_145-default-4-150200.2.1 kernel-livepatch-5_3_18-150200_24_142-default-debuginfo-5-150200.2.2 kernel-livepatch-5_3_18-150200_24_145-default-debuginfo-4-150200.2.1 kernel-livepatch-SLE15-SP2_Update_33-debugsource-5-150200.2.2 References: o https://www.suse.com/security/cve/CVE-2022-4744.html o https://www.suse.com/security/cve/CVE-2023-1390.html o https://www.suse.com/security/cve/CVE-2023-28466.html o https://www.suse.com/security/cve/CVE-2023-31436.html o https://bugzilla.suse.com/show_bug.cgiid=1209672 o https://bugzilla.suse.com/show_bug.cgiid=1210452 o https://bugzilla.suse.com/show_bug.cgiid=1210779 o https://bugzilla.suse.com/show_bug.cgiid=1210989 - --------------------------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/ iQIVAwUBZJ5C/8kNZI30y1K9AQgACRAAn4Nkqi+XvqGWXlQZRpgLGcGyQooAOnSm n1cy1mkiy3utd5t+1shGTCwUaanE3nsc7YpurOrKee2mtqgiVhB7juIKQfkR2B+r n/4zq+mozSWG/Pu78bXXhUaPAXFvTPJbgJFcL5Fj5w1F/xs/Ba8lHKH/7QBfoOuy oHgHfjr8yClYDyY4VYUzvcn0jeEg77W+8vTeKgeCiPzIiSfL5yCOwFTHHp58VL4s imfpKbWY8+nwxYQPCtXkwviI4vZ07ljqVYnPBkW4MmrSGjQq4QwyOP9twyIKXyKW eAJsOOD3j7qIEP4zTDGhPFkFdh8/s3Yw607daSGqq7f03WasKgkQxkwhbtvwlPPF iRcYuKhjhS9zbiLbG3IBwq8FEQ/psRWyigTEJy2HbK5AXKqAdzKDrMAi6TX4MUgF 4Fk9drEb4H0X+XWJMN1+Aed1HUEVRfY71T9KMVEm0sR86zblUb4AFU3HEH4E/kCW VkpLvUsRG7Q5L/v6BfDd87YsTYN06ztY4XTwdxSN8RudTCUuK2hQ/LUetwuRsnJK gnw7RjW3W6kCAWKxQ4K7YXvdZsDWc3aFkAsmM8qPkK8gLOhQf3zfk6lt9O1AS1i1 YVbZoosJBoqP69DI+gPJLhDz5bq1IHJIpNF3piH4bUeHiW+9HbNIDAv/8xYmqrw6 w3i0zETqnBU= =bpj+ -----END PGP SIGNATURE-----