{"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 pcr-oracle, shim","title":"Title of the patch"},{"category":"description","text":"This update for pcr-oracle, shim fixes the following issues:\n\npcr-oracle:\n\n- predict SbatLevelRT for the next boot (bsc#1230316)\n\nshim was updated to version 15.8:\n\n- Update shim-install to use the 'removable' way for encrypted\n  SL-Micro images (bsc#1230316)\n  * Always use the removable way for SL-Micro\n  * Limit the removable option to encrypted SL-Micro\n\n\nSecurity issues fixed:\n\n- mok: fix LogError() invocation (bsc#1215099,CVE-2023-40546)\n- avoid incorrectly trusting HTTP headers (bsc#1215098,CVE-2023-40547)\n- Fix integer overflow on SBAT section size on 32-bit system (bsc#1215100,CVE-2023-40548)\n- Authenticode: verify that the signature header is in bounds (bsc#1215101,CVE-2023-40549)\n- pe: Fix an out-of-bound read in verify_buffer_sbat() (bsc#1215102,CVE-2023-40550)\n- pe-relocate: Fix bounds check for MZ binaries (bsc#1215103,CVE-2023-40551)\n\n\n","title":"Description of the patch"},{"category":"details","text":"SUSE-SLE-Micro-6.0-225","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-2025_20136-1.json"},{"category":"self","summary":"URL for SUSE-SU-2025:20136-1","url":"https://www.suse.com/support/update/announcement/2025/suse-su-202520136-1/"},{"category":"self","summary":"E-Mail link for SUSE-SU-2025:20136-1","url":"https://lists.suse.com/pipermail/sle-security-updates/2025-June/021195.html"},{"category":"self","summary":"SUSE Bug 1215098","url":"https://bugzilla.suse.com/1215098"},{"category":"self","summary":"SUSE Bug 1215099","url":"https://bugzilla.suse.com/1215099"},{"category":"self","summary":"SUSE Bug 1215100","url":"https://bugzilla.suse.com/1215100"},{"category":"self","summary":"SUSE Bug 1215101","url":"https://bugzilla.suse.com/1215101"},{"category":"self","summary":"SUSE Bug 1215102","url":"https://bugzilla.suse.com/1215102"},{"category":"self","summary":"SUSE Bug 1215103","url":"https://bugzilla.suse.com/1215103"},{"category":"self","summary":"SUSE Bug 1230316","url":"https://bugzilla.suse.com/1230316"},{"category":"self","summary":"SUSE CVE CVE-2023-40546 page","url":"https://www.suse.com/security/cve/CVE-2023-40546/"},{"category":"self","summary":"SUSE CVE CVE-2023-40547 page","url":"https://www.suse.com/security/cve/CVE-2023-40547/"},{"category":"self","summary":"SUSE CVE CVE-2023-40548 page","url":"https://www.suse.com/security/cve/CVE-2023-40548/"},{"category":"self","summary":"SUSE CVE CVE-2023-40549 page","url":"https://www.suse.com/security/cve/CVE-2023-40549/"},{"category":"self","summary":"SUSE CVE CVE-2023-40550 page","url":"https://www.suse.com/security/cve/CVE-2023-40550/"},{"category":"self","summary":"SUSE CVE CVE-2023-40551 page","url":"https://www.suse.com/security/cve/CVE-2023-40551/"}],"title":"Security update for pcr-oracle, shim","tracking":{"current_release_date":"2025-03-07T15:31:20Z","generator":{"date":"2025-03-07T15:31:20Z","engine":{"name":"cve-database.git:bin/generate-csaf.pl","version":"1"}},"id":"SUSE-SU-2025:20136-1","initial_release_date":"2025-03-07T15:31:20Z","revision_history":[{"date":"2025-03-07T15:31:20Z","number":"1","summary":"Current version"}],"status":"final","version":"1"}},"product_tree":{"branches":[{"branches":[{"branches":[{"category":"product_version","name":"pcr-oracle-0.4.6-2.1.aarch64","product":{"name":"pcr-oracle-0.4.6-2.1.aarch64","product_id":"pcr-oracle-0.4.6-2.1.aarch64"}},{"category":"product_version","name":"shim-15.8-1.1.aarch64","product":{"name":"shim-15.8-1.1.aarch64","product_id":"shim-15.8-1.1.aarch64"}}],"category":"architecture","name":"aarch64"},{"branches":[{"category":"product_version","name":"pcr-oracle-0.4.6-2.1.x86_64","product":{"name":"pcr-oracle-0.4.6-2.1.x86_64","product_id":"pcr-oracle-0.4.6-2.1.x86_64"}},{"category":"product_version","name":"shim-15.8-1.1.x86_64","product":{"name":"shim-15.8-1.1.x86_64","product_id":"shim-15.8-1.1.x86_64"}}],"category":"architecture","name":"x86_64"},{"branches":[{"category":"product_name","name":"SUSE Linux Micro 6.0","product":{"name":"SUSE Linux Micro 6.0","product_id":"SUSE Linux Micro 6.0","product_identification_helper":{"cpe":"cpe:/o:suse:sl-micro:6.0"}}}],"category":"product_family","name":"SUSE Linux Enterprise"}],"category":"vendor","name":"SUSE"}],"relationships":[{"category":"default_component_of","full_product_name":{"name":"pcr-oracle-0.4.6-2.1.aarch64 as component of SUSE Linux Micro 6.0","product_id":"SUSE Linux Micro 6.0:pcr-oracle-0.4.6-2.1.aarch64"},"product_reference":"pcr-oracle-0.4.6-2.1.aarch64","relates_to_product_reference":"SUSE Linux Micro 6.0"},{"category":"default_component_of","full_product_name":{"name":"pcr-oracle-0.4.6-2.1.x86_64 as component of SUSE Linux Micro 6.0","product_id":"SUSE Linux Micro 6.0:pcr-oracle-0.4.6-2.1.x86_64"},"product_reference":"pcr-oracle-0.4.6-2.1.x86_64","relates_to_product_reference":"SUSE Linux Micro 6.0"},{"category":"default_component_of","full_product_name":{"name":"shim-15.8-1.1.aarch64 as component of SUSE Linux Micro 6.0","product_id":"SUSE Linux Micro 6.0:shim-15.8-1.1.aarch64"},"product_reference":"shim-15.8-1.1.aarch64","relates_to_product_reference":"SUSE Linux Micro 6.0"},{"category":"default_component_of","full_product_name":{"name":"shim-15.8-1.1.x86_64 as component of SUSE Linux Micro 6.0","product_id":"SUSE Linux Micro 6.0:shim-15.8-1.1.x86_64"},"product_reference":"shim-15.8-1.1.x86_64","relates_to_product_reference":"SUSE Linux Micro 6.0"}]},"vulnerabilities":[{"cve":"CVE-2023-40546","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2023-40546"}],"notes":[{"category":"general","text":"A flaw was found in Shim when an error happened while creating a new ESL variable. If Shim fails to create the new variable, it tries to print an error message to the user; however, the number of parameters used by the logging function doesn't match the format string used by it, leading to a crash under certain circumstances.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Micro 6.0:pcr-oracle-0.4.6-2.1.aarch64","SUSE Linux Micro 6.0:pcr-oracle-0.4.6-2.1.x86_64","SUSE Linux Micro 6.0:shim-15.8-1.1.aarch64","SUSE Linux Micro 6.0:shim-15.8-1.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2023-40546","url":"https://www.suse.com/security/cve/CVE-2023-40546"},{"category":"external","summary":"SUSE Bug 1215099 for CVE-2023-40546","url":"https://bugzilla.suse.com/1215099"}],"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 Micro 6.0:pcr-oracle-0.4.6-2.1.aarch64","SUSE Linux Micro 6.0:pcr-oracle-0.4.6-2.1.x86_64","SUSE Linux Micro 6.0:shim-15.8-1.1.aarch64","SUSE Linux Micro 6.0:shim-15.8-1.1.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":4.4,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"products":["SUSE Linux Micro 6.0:pcr-oracle-0.4.6-2.1.aarch64","SUSE Linux Micro 6.0:pcr-oracle-0.4.6-2.1.x86_64","SUSE Linux Micro 6.0:shim-15.8-1.1.aarch64","SUSE Linux Micro 6.0:shim-15.8-1.1.x86_64"]}],"threats":[{"category":"impact","date":"2025-03-07T15:31:20Z","details":"moderate"}],"title":"CVE-2023-40546"},{"cve":"CVE-2023-40547","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2023-40547"}],"notes":[{"category":"general","text":"A remote code execution vulnerability was found in Shim. The Shim boot support trusts attacker-controlled values when parsing an HTTP response. This flaw allows an attacker to craft a specific malicious HTTP request, leading to a completely controlled out-of-bounds write primitive and complete system compromise. This flaw is only exploitable during the early boot phase, an attacker needs to perform a Man-in-the-Middle or compromise the boot server to be able to exploit this vulnerability successfully.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Micro 6.0:pcr-oracle-0.4.6-2.1.aarch64","SUSE Linux Micro 6.0:pcr-oracle-0.4.6-2.1.x86_64","SUSE Linux Micro 6.0:shim-15.8-1.1.aarch64","SUSE Linux Micro 6.0:shim-15.8-1.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2023-40547","url":"https://www.suse.com/security/cve/CVE-2023-40547"},{"category":"external","summary":"SUSE Bug 1215098 for CVE-2023-40547","url":"https://bugzilla.suse.com/1215098"}],"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 Micro 6.0:pcr-oracle-0.4.6-2.1.aarch64","SUSE Linux Micro 6.0:pcr-oracle-0.4.6-2.1.x86_64","SUSE Linux Micro 6.0:shim-15.8-1.1.aarch64","SUSE Linux Micro 6.0:shim-15.8-1.1.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":7.1,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H","version":"3.1"},"products":["SUSE Linux Micro 6.0:pcr-oracle-0.4.6-2.1.aarch64","SUSE Linux Micro 6.0:pcr-oracle-0.4.6-2.1.x86_64","SUSE Linux Micro 6.0:shim-15.8-1.1.aarch64","SUSE Linux Micro 6.0:shim-15.8-1.1.x86_64"]}],"threats":[{"category":"impact","date":"2025-03-07T15:31:20Z","details":"important"}],"title":"CVE-2023-40547"},{"cve":"CVE-2023-40548","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2023-40548"}],"notes":[{"category":"general","text":"A buffer overflow was found in Shim in the 32-bit system. The overflow happens due to an addition operation involving a user-controlled value parsed from the PE binary being used by Shim. This value is further used for memory allocation operations, leading to a heap-based buffer overflow. This flaw causes memory corruption and can lead to a crash or data integrity issues during the boot phase.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Micro 6.0:pcr-oracle-0.4.6-2.1.aarch64","SUSE Linux Micro 6.0:pcr-oracle-0.4.6-2.1.x86_64","SUSE Linux Micro 6.0:shim-15.8-1.1.aarch64","SUSE Linux Micro 6.0:shim-15.8-1.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2023-40548","url":"https://www.suse.com/security/cve/CVE-2023-40548"},{"category":"external","summary":"SUSE Bug 1215100 for CVE-2023-40548","url":"https://bugzilla.suse.com/1215100"}],"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 Micro 6.0:pcr-oracle-0.4.6-2.1.aarch64","SUSE Linux Micro 6.0:pcr-oracle-0.4.6-2.1.x86_64","SUSE Linux Micro 6.0:shim-15.8-1.1.aarch64","SUSE Linux Micro 6.0:shim-15.8-1.1.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":6.7,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"products":["SUSE Linux Micro 6.0:pcr-oracle-0.4.6-2.1.aarch64","SUSE Linux Micro 6.0:pcr-oracle-0.4.6-2.1.x86_64","SUSE Linux Micro 6.0:shim-15.8-1.1.aarch64","SUSE Linux Micro 6.0:shim-15.8-1.1.x86_64"]}],"threats":[{"category":"impact","date":"2025-03-07T15:31:20Z","details":"moderate"}],"title":"CVE-2023-40548"},{"cve":"CVE-2023-40549","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2023-40549"}],"notes":[{"category":"general","text":"An out-of-bounds read flaw was found in Shim due to the lack of proper boundary verification during the load of a PE binary. This flaw allows an attacker to load a crafted PE binary, triggering the issue and crashing Shim, resulting in a denial of service.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Micro 6.0:pcr-oracle-0.4.6-2.1.aarch64","SUSE Linux Micro 6.0:pcr-oracle-0.4.6-2.1.x86_64","SUSE Linux Micro 6.0:shim-15.8-1.1.aarch64","SUSE Linux Micro 6.0:shim-15.8-1.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2023-40549","url":"https://www.suse.com/security/cve/CVE-2023-40549"},{"category":"external","summary":"SUSE Bug 1215101 for CVE-2023-40549","url":"https://bugzilla.suse.com/1215101"}],"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 Micro 6.0:pcr-oracle-0.4.6-2.1.aarch64","SUSE Linux Micro 6.0:pcr-oracle-0.4.6-2.1.x86_64","SUSE Linux Micro 6.0:shim-15.8-1.1.aarch64","SUSE Linux Micro 6.0:shim-15.8-1.1.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":4.4,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"products":["SUSE Linux Micro 6.0:pcr-oracle-0.4.6-2.1.aarch64","SUSE Linux Micro 6.0:pcr-oracle-0.4.6-2.1.x86_64","SUSE Linux Micro 6.0:shim-15.8-1.1.aarch64","SUSE Linux Micro 6.0:shim-15.8-1.1.x86_64"]}],"threats":[{"category":"impact","date":"2025-03-07T15:31:20Z","details":"moderate"}],"title":"CVE-2023-40549"},{"cve":"CVE-2023-40550","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2023-40550"}],"notes":[{"category":"general","text":"An out-of-bounds read flaw was found in Shim when it tried to validate the SBAT information. This issue may expose sensitive data during the system's boot phase.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Micro 6.0:pcr-oracle-0.4.6-2.1.aarch64","SUSE Linux Micro 6.0:pcr-oracle-0.4.6-2.1.x86_64","SUSE Linux Micro 6.0:shim-15.8-1.1.aarch64","SUSE Linux Micro 6.0:shim-15.8-1.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2023-40550","url":"https://www.suse.com/security/cve/CVE-2023-40550"},{"category":"external","summary":"SUSE Bug 1215102 for CVE-2023-40550","url":"https://bugzilla.suse.com/1215102"}],"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 Micro 6.0:pcr-oracle-0.4.6-2.1.aarch64","SUSE Linux Micro 6.0:pcr-oracle-0.4.6-2.1.x86_64","SUSE Linux Micro 6.0:shim-15.8-1.1.aarch64","SUSE Linux Micro 6.0:shim-15.8-1.1.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":4.2,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H","version":"3.1"},"products":["SUSE Linux Micro 6.0:pcr-oracle-0.4.6-2.1.aarch64","SUSE Linux Micro 6.0:pcr-oracle-0.4.6-2.1.x86_64","SUSE Linux Micro 6.0:shim-15.8-1.1.aarch64","SUSE Linux Micro 6.0:shim-15.8-1.1.x86_64"]}],"threats":[{"category":"impact","date":"2025-03-07T15:31:20Z","details":"moderate"}],"title":"CVE-2023-40550"},{"cve":"CVE-2023-40551","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2023-40551"}],"notes":[{"category":"general","text":"A flaw was found in the MZ binary format in Shim. An out-of-bounds read may occur, leading to a crash or possible exposure of sensitive data during the system's boot phase.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Micro 6.0:pcr-oracle-0.4.6-2.1.aarch64","SUSE Linux Micro 6.0:pcr-oracle-0.4.6-2.1.x86_64","SUSE Linux Micro 6.0:shim-15.8-1.1.aarch64","SUSE Linux Micro 6.0:shim-15.8-1.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2023-40551","url":"https://www.suse.com/security/cve/CVE-2023-40551"},{"category":"external","summary":"SUSE Bug 1215103 for CVE-2023-40551","url":"https://bugzilla.suse.com/1215103"}],"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 Micro 6.0:pcr-oracle-0.4.6-2.1.aarch64","SUSE Linux Micro 6.0:pcr-oracle-0.4.6-2.1.x86_64","SUSE Linux Micro 6.0:shim-15.8-1.1.aarch64","SUSE Linux Micro 6.0:shim-15.8-1.1.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":4.4,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"products":["SUSE Linux Micro 6.0:pcr-oracle-0.4.6-2.1.aarch64","SUSE Linux Micro 6.0:pcr-oracle-0.4.6-2.1.x86_64","SUSE Linux Micro 6.0:shim-15.8-1.1.aarch64","SUSE Linux Micro 6.0:shim-15.8-1.1.x86_64"]}],"threats":[{"category":"impact","date":"2025-03-07T15:31:20Z","details":"moderate"}],"title":"CVE-2023-40551"}]}