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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2023.1806 Security update for the Linux Kernel (Live Patch 27 for SLE 15 SP3) 28 March 2023 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Linux Kernel Publisher: SUSE Operating System: SUSE Resolution: Patch/Upgrade CVE Names: CVE-2023-26545 CVE-2023-1078 CVE-2023-0266 Original Bulletin: https://www.suse.com/support/update/announcement/2023/suse-su-20231591-1 Comment: CVSS (Max): 7.8 CVE-2023-1078 (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 27 for SLE 15 SP3) Announcement ID: SUSE-SU-2023:1591-1 Rating: important o #1207190 References: o #1208838 o #1208909 o CVE-2023-0266 Cross-References: o CVE-2023-1078 o CVE-2023-26545 o CVE-2023-0266 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/ S:U/C:H/I:H/A:H o CVE-2023-0266 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/ S:U/C:H/I:H/A:H o CVE-2023-1078 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/ CVSS scores: S:U/C:H/I:H/A:H o CVE-2023-26545 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N /S:U/C:H/I:H/A:H o CVE-2023-26545 ( 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 SP3 o SUSE Linux Enterprise Live Patching 15-SP3 Affected o SUSE Linux Enterprise Micro 5.1 Products: o SUSE Linux Enterprise Micro 5.2 o SUSE Linux Enterprise Server 15 SP3 o SUSE Linux Enterprise Server for SAP Applications 15 SP3 An update that solves three vulnerabilities can now be installed. Description: This update for the Linux Kernel 5.3.18-150300_59_106 fixes several issues. The following security issues were fixed: o CVE-2023-26545: Fixed double free in net/mpls/af_mpls.c upon an allocation failure (bsc#1208700). o CVE-2023-1078: Fixed a heap out-of-bounds write in rds_rm_zerocopy_callback (bsc#1208838). o CVE-2023-0266: Fixed a use-after-free vulnerability inside the ALSA PCM package. SNDRV_CTL_IOCTL_ELEM_{READ|WRITE}32 was missing locks that could have been used in a use-after-free that could have resulted in a priviledge escalation to gain ring0 access from the system user (bsc#1207190). 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-SP3 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP3-2023-1591=1 SUSE-SLE-Module-Live-Patching-15-SP3-2023-1589=1 Package List: o SUSE Linux Enterprise Live Patching 15-SP3 (ppc64le s390x x86_64) kernel-livepatch-5_3_18-150300_59_93-default-8-150300.2.3 kernel-livepatch-5_3_18-150300_59_106-default-3-150300.2.3 References: o https://www.suse.com/security/cve/CVE-2023-0266.html o https://www.suse.com/security/cve/CVE-2023-1078.html o https://www.suse.com/security/cve/CVE-2023-26545.html o https://bugzilla.suse.com/show_bug.cgiid=1207190 o https://bugzilla.suse.com/show_bug.cgiid=1208838 o https://bugzilla.suse.com/show_bug.cgiid=1208909 - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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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/ iQIVAwUBZCJHz8kNZI30y1K9AQihkw//Yxpoh+oiDSW5sSjoBVD9KoiQTeHyWq5J 8euSxrIC2LXI3HlDnPibooYWF4RvGJLhaCcuWyXMMHCdUSFtS4oeQEEYRgcRgl5b 1P73jo9rmyPxOrd9FjNiYDZ7DTBV0IaK9XJqCCeWg1WiJWmo8CZEtRLrddMYzaQw 1Oca0cOxcIB3iy/lZ2IRuhjvkdx+wm5B1ElGO7SXGGo2uRQriAROtkXH8unSPdK/ 7G14Pk9O5dbMK9JMEH05Q4h5ITtgidpt/ZpQWbXbKRXU+UdqW7XjlZCE7f99niN2 E9m6/2R/6IdgpK91YKt5PGqhY71ZYS3+3CmqwNJvG0oR4cY+6fgDAWuw0Az7eu6S 3vuW+hlfE4K/SIBD7aPEd0ijMEOf8A3nOG7XzydQLHgSAnPRMR90x+oNPiGjEzdZ m6s54DRMQrK86D3Q7xZ4MXcLhyoEl8JqfkS3I6xVBChOu9388kDhXTbN3fXwI1Cn fgElbN4tZW3BJfzOQzyZBbzzHsUL4RRUWYTQPDvG3yFS5NkvOIb5xwzXcIxNqjWj wPE0dM5fDF6m94+DUgaHSjWdjfqJcxXC1I+XRCad16r9DQxdLMp6JuKdsFqDkG3U CyqIq1A3n/o/yKbZIUqRA9xZ8XSA17jVgxWXFKEIJXL6S8DGYfU4cmzs2fr200Qn 48oqhGspWZ0= =b3r5 -----END PGP SIGNATURE-----