{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"important"},"category":"csaf_security_advisory","csaf_version":"2.0","distribution":{"text":"Copyright 2024 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 (Live Patch 34 for SLE 15 SP1)","title":"Title of the patch"},{"category":"description","text":"This update for the Linux Kernel 4.12.14-150100_197_123 fixes several issues.\n\nThe following security issues were fixed:\n\n- CVE-2023-1829: Fixed a use-after-free vulnerability in the control index filter (tcindex) (bsc#1210619).\n- CVE-2023-3776: Fixed improper refcount update in cls_fw leads to use-after-free (bsc#1215119).\n- CVE-2023-3609: Fixed reference counter leak leading to  overflow in net/sched (bsc#1213587).\n- CVE-2023-3812: Fixed an out-of-bounds memory access flaw in the TUN/TAP device driver functionality that could allow a local user to crash or potentially escalate their privileges on the system (bsc#1213706).\n","title":"Description of the patch"},{"category":"details","text":"SUSE-2023-3786,SUSE-SLE-Module-Live-Patching-15-SP1-2023-3786","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":"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_3786-1.json"},{"category":"self","summary":"URL for SUSE-SU-2023:3786-1","url":"https://www.suse.com/support/update/announcement/2023/suse-su-20233786-1/"},{"category":"self","summary":"E-Mail link for SUSE-SU-2023:3786-1","url":"https://lists.suse.com/pipermail/sle-security-updates/2023-September/016325.html"},{"category":"self","summary":"SUSE Bug 1210619","url":"https://bugzilla.suse.com/1210619"},{"category":"self","summary":"SUSE Bug 1213587","url":"https://bugzilla.suse.com/1213587"},{"category":"self","summary":"SUSE Bug 1213706","url":"https://bugzilla.suse.com/1213706"},{"category":"self","summary":"SUSE Bug 1215119","url":"https://bugzilla.suse.com/1215119"},{"category":"self","summary":"SUSE CVE CVE-2023-1829 page","url":"https://www.suse.com/security/cve/CVE-2023-1829/"},{"category":"self","summary":"SUSE CVE CVE-2023-3609 page","url":"https://www.suse.com/security/cve/CVE-2023-3609/"},{"category":"self","summary":"SUSE CVE CVE-2023-3776 page","url":"https://www.suse.com/security/cve/CVE-2023-3776/"},{"category":"self","summary":"SUSE CVE CVE-2023-3812 page","url":"https://www.suse.com/security/cve/CVE-2023-3812/"}],"title":"Security update for the Linux Kernel (Live Patch 34 for SLE 15 SP1)","tracking":{"current_release_date":"2023-09-26T11:34:48Z","generator":{"date":"2023-09-26T11:34:48Z","engine":{"name":"cve-database.git:bin/generate-csaf.pl","version":"1"}},"id":"SUSE-SU-2023:3786-1","initial_release_date":"2023-09-26T11:34:48Z","revision_history":[{"date":"2023-09-26T11:34:48Z","number":"1","summary":"Current version"}],"status":"final","version":"1"}},"product_tree":{"branches":[{"branches":[{"branches":[{"category":"product_version","name":"kernel-livepatch-4_12_14-150100_197_123-default-11-150100.2.2.ppc64le","product":{"name":"kernel-livepatch-4_12_14-150100_197_123-default-11-150100.2.2.ppc64le","product_id":"kernel-livepatch-4_12_14-150100_197_123-default-11-150100.2.2.ppc64le"}}],"category":"architecture","name":"ppc64le"},{"branches":[{"category":"product_version","name":"kernel-livepatch-4_12_14-150100_197_123-default-11-150100.2.2.x86_64","product":{"name":"kernel-livepatch-4_12_14-150100_197_123-default-11-150100.2.2.x86_64","product_id":"kernel-livepatch-4_12_14-150100_197_123-default-11-150100.2.2.x86_64"}}],"category":"architecture","name":"x86_64"},{"branches":[{"category":"product_name","name":"SUSE Linux Enterprise Live Patching 15 SP1","product":{"name":"SUSE Linux Enterprise Live Patching 15 SP1","product_id":"SUSE Linux Enterprise Live Patching 15 SP1","product_identification_helper":{"cpe":"cpe:/o:suse:sle-module-live-patching:15:sp1"}}}],"category":"product_family","name":"SUSE Linux Enterprise"}],"category":"vendor","name":"SUSE"}],"relationships":[{"category":"default_component_of","full_product_name":{"name":"kernel-livepatch-4_12_14-150100_197_123-default-11-150100.2.2.ppc64le as component of SUSE Linux Enterprise Live Patching 15 SP1","product_id":"SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_123-default-11-150100.2.2.ppc64le"},"product_reference":"kernel-livepatch-4_12_14-150100_197_123-default-11-150100.2.2.ppc64le","relates_to_product_reference":"SUSE Linux Enterprise Live Patching 15 SP1"},{"category":"default_component_of","full_product_name":{"name":"kernel-livepatch-4_12_14-150100_197_123-default-11-150100.2.2.x86_64 as component of SUSE Linux Enterprise Live Patching 15 SP1","product_id":"SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_123-default-11-150100.2.2.x86_64"},"product_reference":"kernel-livepatch-4_12_14-150100_197_123-default-11-150100.2.2.x86_64","relates_to_product_reference":"SUSE Linux Enterprise Live Patching 15 SP1"}]},"vulnerabilities":[{"cve":"CVE-2023-1829","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2023-1829"}],"notes":[{"category":"general","text":"A use-after-free vulnerability in the Linux Kernel traffic control index filter (tcindex) can be exploited to achieve local privilege escalation.  The tcindex_delete function which does not properly deactivate filters in case of a perfect hashes while deleting the underlying structure which can later lead to double freeing the structure.  A local attacker user can use this vulnerability to elevate its privileges to root.\nWe recommend upgrading past commit 8c710f75256bb3cf05ac7b1672c82b92c43f3d28.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_123-default-11-150100.2.2.ppc64le","SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_123-default-11-150100.2.2.x86_64"]},"references":[{"category":"external","summary":"CVE-2023-1829","url":"https://www.suse.com/security/cve/CVE-2023-1829"},{"category":"external","summary":"SUSE Bug 1210335 for CVE-2023-1829","url":"https://bugzilla.suse.com/1210335"},{"category":"external","summary":"SUSE Bug 1210619 for CVE-2023-1829","url":"https://bugzilla.suse.com/1210619"},{"category":"external","summary":"SUSE Bug 1217444 for CVE-2023-1829","url":"https://bugzilla.suse.com/1217444"},{"category":"external","summary":"SUSE Bug 1217531 for CVE-2023-1829","url":"https://bugzilla.suse.com/1217531"},{"category":"external","summary":"SUSE Bug 1220886 for CVE-2023-1829","url":"https://bugzilla.suse.com/1220886"},{"category":"external","summary":"SUSE Bug 1228311 for CVE-2023-1829","url":"https://bugzilla.suse.com/1228311"}],"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 SP1:kernel-livepatch-4_12_14-150100_197_123-default-11-150100.2.2.ppc64le","SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_123-default-11-150100.2.2.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"products":["SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_123-default-11-150100.2.2.ppc64le","SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_123-default-11-150100.2.2.x86_64"]}],"threats":[{"category":"impact","date":"2023-09-26T11:34:48Z","details":"important"}],"title":"CVE-2023-1829"},{"cve":"CVE-2023-3609","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2023-3609"}],"notes":[{"category":"general","text":"A use-after-free vulnerability in the Linux kernel's net/sched: cls_u32 component can be exploited to achieve local privilege escalation.\n\nIf tcf_change_indev() fails, u32_set_parms() will immediately return an error after incrementing or decrementing the reference counter in tcf_bind_filter(). If an attacker can control the reference counter and set it to zero, they can cause the reference to be freed, leading to a use-after-free vulnerability.\n\nWe recommend upgrading past commit 04c55383fa5689357bcdd2c8036725a55ed632bc.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_123-default-11-150100.2.2.ppc64le","SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_123-default-11-150100.2.2.x86_64"]},"references":[{"category":"external","summary":"CVE-2023-3609","url":"https://www.suse.com/security/cve/CVE-2023-3609"},{"category":"external","summary":"SUSE Bug 1213586 for CVE-2023-3609","url":"https://bugzilla.suse.com/1213586"},{"category":"external","summary":"SUSE Bug 1213587 for CVE-2023-3609","url":"https://bugzilla.suse.com/1213587"},{"category":"external","summary":"SUSE Bug 1217444 for CVE-2023-3609","url":"https://bugzilla.suse.com/1217444"},{"category":"external","summary":"SUSE Bug 1217531 for CVE-2023-3609","url":"https://bugzilla.suse.com/1217531"}],"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 SP1:kernel-livepatch-4_12_14-150100_197_123-default-11-150100.2.2.ppc64le","SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_123-default-11-150100.2.2.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 SP1:kernel-livepatch-4_12_14-150100_197_123-default-11-150100.2.2.ppc64le","SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_123-default-11-150100.2.2.x86_64"]}],"threats":[{"category":"impact","date":"2023-09-26T11:34:48Z","details":"important"}],"title":"CVE-2023-3609"},{"cve":"CVE-2023-3776","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2023-3776"}],"notes":[{"category":"general","text":"A use-after-free vulnerability in the Linux kernel's net/sched: cls_fw component can be exploited to achieve local privilege escalation.\n\nIf tcf_change_indev() fails, fw_set_parms() will immediately return an error after incrementing or decrementing the reference counter in tcf_bind_filter(). If an attacker can control the reference counter and set it to zero, they can cause the reference to be freed, leading to a use-after-free vulnerability.\n\nWe recommend upgrading past commit 0323bce598eea038714f941ce2b22541c46d488f.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_123-default-11-150100.2.2.ppc64le","SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_123-default-11-150100.2.2.x86_64"]},"references":[{"category":"external","summary":"CVE-2023-3776","url":"https://www.suse.com/security/cve/CVE-2023-3776"},{"category":"external","summary":"SUSE Bug 1213588 for CVE-2023-3776","url":"https://bugzilla.suse.com/1213588"},{"category":"external","summary":"SUSE Bug 1215119 for CVE-2023-3776","url":"https://bugzilla.suse.com/1215119"},{"category":"external","summary":"SUSE Bug 1215674 for CVE-2023-3776","url":"https://bugzilla.suse.com/1215674"},{"category":"external","summary":"SUSE Bug 1217444 for CVE-2023-3776","url":"https://bugzilla.suse.com/1217444"},{"category":"external","summary":"SUSE Bug 1217531 for CVE-2023-3776","url":"https://bugzilla.suse.com/1217531"},{"category":"external","summary":"SUSE Bug 1221578 for CVE-2023-3776","url":"https://bugzilla.suse.com/1221578"},{"category":"external","summary":"SUSE Bug 1221598 for CVE-2023-3776","url":"https://bugzilla.suse.com/1221598"},{"category":"external","summary":"SUSE Bug 1223091 for CVE-2023-3776","url":"https://bugzilla.suse.com/1223091"},{"category":"external","summary":"SUSE Bug 1223973 for CVE-2023-3776","url":"https://bugzilla.suse.com/1223973"}],"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 SP1:kernel-livepatch-4_12_14-150100_197_123-default-11-150100.2.2.ppc64le","SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_123-default-11-150100.2.2.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 SP1:kernel-livepatch-4_12_14-150100_197_123-default-11-150100.2.2.ppc64le","SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_123-default-11-150100.2.2.x86_64"]}],"threats":[{"category":"impact","date":"2023-09-26T11:34:48Z","details":"important"}],"title":"CVE-2023-3776"},{"cve":"CVE-2023-3812","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2023-3812"}],"notes":[{"category":"general","text":"An out-of-bounds memory access flaw was found in the Linux kernel's TUN/TAP device driver functionality in how a user generates a malicious (too big) networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate their privileges on the system.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_123-default-11-150100.2.2.ppc64le","SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_123-default-11-150100.2.2.x86_64"]},"references":[{"category":"external","summary":"CVE-2023-3812","url":"https://www.suse.com/security/cve/CVE-2023-3812"},{"category":"external","summary":"SUSE Bug 1213543 for CVE-2023-3812","url":"https://bugzilla.suse.com/1213543"},{"category":"external","summary":"SUSE Bug 1213706 for CVE-2023-3812","url":"https://bugzilla.suse.com/1213706"},{"category":"external","summary":"SUSE Bug 1217444 for CVE-2023-3812","url":"https://bugzilla.suse.com/1217444"},{"category":"external","summary":"SUSE Bug 1217531 for CVE-2023-3812","url":"https://bugzilla.suse.com/1217531"}],"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 SP1:kernel-livepatch-4_12_14-150100_197_123-default-11-150100.2.2.ppc64le","SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_123-default-11-150100.2.2.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"products":["SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_123-default-11-150100.2.2.ppc64le","SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_123-default-11-150100.2.2.x86_64"]}],"threats":[{"category":"impact","date":"2023-09-26T11:34:48Z","details":"important"}],"title":"CVE-2023-3812"}]}