{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"important"},"category":"csaf_security_advisory","csaf_version":"2.0","distribution":{"text":"Copyright 2023 SUSE LLC. All rights reserved.","tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en","notes":[{"category":"summary","text":"Security update for the Linux Kernel RT (Live Patch 5 for SLE 15 SP4)","title":"Title of the patch"},{"category":"description","text":"This update for the Linux Kernel 5.14.21-150400_15_18 fixes one issue.\n\nThe following security issue was fixed:\n\n- CVE-2023-1652: Fixed use-after-free that could lead to DoS and information leak in nfsd4_ssc_setup_dul in fs/nfsd/nfs4proc.c (bsc#1209788).\n","title":"Description of the patch"},{"category":"details","text":"SUSE-2023-1978,SUSE-SLE-Module-Live-Patching-15-SP4-2023-1978","title":"Patchnames"},{"category":"legal_disclaimer","text":"CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).","title":"Terms of use"}],"publisher":{"category":"vendor","contact_details":"https://www.suse.com/support/security/contact/","name":"SUSE Product Security Team","namespace":"https://www.suse.com/"},"references":[{"category":"self","summary":"URL for SUSE-SU-2023:1978-1","url":"https://www.suse.com/support/update/announcement/2023/suse-su-20231978-1/"},{"category":"external","summary":"SUSE ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"self","summary":"URL of this CSAF notice","url":"https://ftp.suse.com/pub/projects/security/csaf/suse-su-2023_1978-1.json"},{"category":"self","summary":"E-Mail link for SUSE-SU-2023:1978-1","url":"https://lists.suse.com/pipermail/sle-security-updates/2023-April/014566.html"},{"category":"self","summary":"SUSE Bug 1209797","url":"https://bugzilla.suse.com/1209797"},{"category":"self","summary":"SUSE CVE CVE-2023-1652 page","url":"https://www.suse.com/security/cve/CVE-2023-1652/"}],"title":"Security update for the Linux Kernel RT (Live Patch 5 for SLE 15 SP4)","tracking":{"current_release_date":"2023-04-25T05:05:02Z","generator":{"date":"2023-04-25T05:05:02Z","engine":{"name":"cve-database.git:bin/generate-csaf.pl","version":"1"}},"id":"SUSE-SU-2023:1978-1","initial_release_date":"2023-04-25T05:05:02Z","revision_history":[{"date":"2023-04-25T05:05:02Z","number":"1","summary":"Current version"}],"status":"final","version":"1"}},"product_tree":{"branches":[{"branches":[{"branches":[{"category":"product_version","name":"kernel-livepatch-5_14_21-150400_15_18-rt-2-150400.2.2.x86_64","product":{"name":"kernel-livepatch-5_14_21-150400_15_18-rt-2-150400.2.2.x86_64","product_id":"kernel-livepatch-5_14_21-150400_15_18-rt-2-150400.2.2.x86_64"}}],"category":"architecture","name":"x86_64"},{"branches":[{"category":"product_name","name":"SUSE Linux Enterprise Live Patching 15 SP4","product":{"name":"SUSE Linux Enterprise Live Patching 15 SP4","product_id":"SUSE Linux Enterprise Live Patching 15 SP4","product_identification_helper":{"cpe":"cpe:/o:suse:sle-module-live-patching:15:sp4"}}}],"category":"product_family","name":"SUSE Linux Enterprise"}],"category":"vendor","name":"SUSE"}],"relationships":[{"category":"default_component_of","full_product_name":{"name":"kernel-livepatch-5_14_21-150400_15_18-rt-2-150400.2.2.x86_64 as component of SUSE Linux Enterprise Live Patching 15 SP4","product_id":"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_15_18-rt-2-150400.2.2.x86_64"},"product_reference":"kernel-livepatch-5_14_21-150400_15_18-rt-2-150400.2.2.x86_64","relates_to_product_reference":"SUSE Linux Enterprise Live Patching 15 SP4"}]},"vulnerabilities":[{"cve":"CVE-2023-1652","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2023-1652"}],"notes":[{"category":"general","text":"A use-after-free flaw was found in nfsd4_ssc_setup_dul in fs/nfsd/nfs4proc.c in the NFS filesystem in the Linux Kernel. This issue could allow a local attacker to crash the system or it may lead to a kernel information leak problem.","title":"Vulnerability description"}],"product_status":{"fixed":["SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_15_18-rt-2-150400.2.2.x86_64"]},"references":[{"category":"external","summary":"CVE-2023-1652","url":"https://www.suse.com/security/cve/CVE-2023-1652"},{"category":"external","summary":"SUSE Bug 1209788 for CVE-2023-1652","url":"https://bugzilla.suse.com/1209788"},{"category":"external","summary":"SUSE Bug 1209797 for CVE-2023-1652","url":"https://bugzilla.suse.com/1209797"}],"remediations":[{"category":"vendor_fix","details":"To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n","product_ids":["SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_15_18-rt-2-150400.2.2.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":7,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"products":["SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_15_18-rt-2-150400.2.2.x86_64"]}],"threats":[{"category":"impact","date":"2023-04-25T05:05:02Z","details":"moderate"}],"title":"CVE-2023-1652"}]}