{ "document":{ "aggregate_severity":{ "namespace":"https://nvd.nist.gov/vuln-metrics/cvss", "text":"High" }, "category":"csaf_vex", "csaf_version":"2.0", "distribution":{ "tlp":{ "label":"WHITE", "url":"https:/www.first.org/tlp/" } }, "lang":"en", "notes":[ { "text":"kernel security update", "category":"general", "title":"Synopsis" }, { "text":"An update for kernel is now available for openEuler-20.03-LTS-SP4.", "category":"general", "title":"Summary" }, { "text":"The Linux Kernel, the operating system core itself.\n\nSecurity Fix(es):\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nmedia: pvrusb2: fix use after free on context disconnection\n\nUpon module load, a kthread is created targeting the\npvr2_context_thread_func function, which may call pvr2_context_destroy\nand thus call kfree() on the context object. However, that might happen\nbefore the usb hub_event handler is able to notify the driver. This\npatch adds a sanity check before the invalid read reported by syzbot,\nwithin the context disconnection call stack.(CVE-2023-52445)\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nmtd: Fix gluebi NULL pointer dereference caused by ftl notifier\n\nIf both ftl.ko and gluebi.ko are loaded, the notifier of ftl\ntriggers NULL pointer dereference when trying to access\n‘gluebi->desc’ in gluebi_read().\n\nubi_gluebi_init\n ubi_register_volume_notifier\n ubi_enumerate_volumes\n ubi_notify_all\n gluebi_notify nb->notifier_call()\n gluebi_create\n mtd_device_register\n mtd_device_parse_register\n add_mtd_device\n blktrans_notify_add not->add()\n ftl_add_mtd tr->add_mtd()\n scan_header\n mtd_read\n mtd_read_oob\n mtd_read_oob_std\n gluebi_read mtd->read()\n gluebi->desc - NULL\n\nDetailed reproduction information available at the Link [1],\n\nIn the normal case, obtain gluebi->desc in the gluebi_get_device(),\nand access gluebi->desc in the gluebi_read(). However,\ngluebi_get_device() is not executed in advance in the\nftl_add_mtd() process, which leads to NULL pointer dereference.\n\nThe solution for the gluebi module is to run jffs2 on the UBI\nvolume without considering working with ftl or mtdblock [2].\nTherefore, this problem can be avoided by preventing gluebi from\ncreating the mtdblock device after creating mtd partition of the\ntype MTD_UBIVOLUME.(CVE-2023-52449)", "category":"general", "title":"Description" }, { "text":"An update for kernel is now available for openEuler-20.03-LTS-SP4.\n\nopenEuler Security has rated this update as having a security impact of high. A Common Vunlnerability Scoring System(CVSS)base score,which gives a detailed severity rating, is available for each vulnerability from the CVElink(s) in the References section.", "category":"general", "title":"Topic" }, { "text":"High", "category":"general", "title":"Severity" }, { "text":"kernel", "category":"general", "title":"Affected Component" } ], "publisher":{ "issuing_authority":"openEuler security committee", "name":"openEuler", "namespace":"https://www.openeuler.org", "contact_details":"openeuler-security@openeuler.org", "category":"vendor" }, "references":[ { "summary":"openEuler-SA-2024-1297", "category":"self", "url":"https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-1297" }, { "summary":"CVE-2023-52445", "category":"self", "url":"https://www.openeuler.org/en/security/cve/detail?cveId=CVE-2023-52445&packageName=kernel" }, { "summary":"CVE-2023-52449", "category":"self", "url":"https://www.openeuler.org/en/security/cve/detail?cveId=CVE-2023-52449&packageName=kernel" }, { "summary":"nvd cve", "category":"external", "url":"https://nvd.nist.gov/vuln/detail/CVE-2023-52445" }, { "summary":"nvd cve", "category":"external", "url":"https://nvd.nist.gov/vuln/detail/CVE-2023-52449" }, { "summary":"openEuler-SA-2024-1297 vex file", "category":"self", "url":"https://repo.openeuler.org/security/data/csaf/advisories/2024/csaf-openeuler-sa-2024-1297.json" } ], "title":"An update for kernel is now available for openEuler-20.03-LTS-SP4", "tracking":{ "initial_release_date":"2024-03-22T09:13:19+08:00", "revision_history":[ { "date":"2024-03-22T09:13:19+08:00", "summary":"Initial", "number":"1.0.0" }, { "date":"2024-10-31T09:13:19+08:00", "summary":"final", "number":"2.0.0" } ], "generator":{ "date":"2024-10-31T09:13:19+08:00", "engine":{ "name":"openEuler CSAF Tool V1.0" } }, "current_release_date":"2024-10-31T09:13:19+08:00", "id":"openEuler-SA-2024-1297", 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"text":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: pvrusb2: fix use after free on context disconnection\n\nUpon module load, a kthread is created targeting the\npvr2_context_thread_func function, which may call pvr2_context_destroy\nand thus call kfree() on the context object. However, that might happen\nbefore the usb hub_event handler is able to notify the driver. This\npatch adds a sanity check before the invalid read reported by syzbot,\nwithin the context disconnection call stack.", "category":"description", "title":"Vulnerability Description" } ], "product_status":{ "fixed":[ "openEuler-20.03-LTS-SP4:bpftool-debuginfo-4.19.90-2403.3.0.0270.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-debuginfo-4.19.90-2403.3.0.0270.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-4.19.90-2403.3.0.0270.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-debugsource-4.19.90-2403.3.0.0270.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-source-4.19.90-2403.3.0.0270.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-tools-devel-4.19.90-2403.3.0.0270.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:perf-4.19.90-2403.3.0.0270.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:perf-debuginfo-4.19.90-2403.3.0.0270.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:python2-perf-debuginfo-4.19.90-2403.3.0.0270.oe2003sp4.aarch64", 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"vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version":"3.1" }, "products":[ "openEuler-20.03-LTS-SP4:bpftool-debuginfo-4.19.90-2403.3.0.0270.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-debuginfo-4.19.90-2403.3.0.0270.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-4.19.90-2403.3.0.0270.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-debugsource-4.19.90-2403.3.0.0270.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-source-4.19.90-2403.3.0.0270.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-tools-devel-4.19.90-2403.3.0.0270.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:perf-4.19.90-2403.3.0.0270.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:perf-debuginfo-4.19.90-2403.3.0.0270.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:python2-perf-debuginfo-4.19.90-2403.3.0.0270.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:python3-perf-debuginfo-4.19.90-2403.3.0.0270.oe2003sp4.aarch64", 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"notes":[ { "text":"In the Linux kernel, the following vulnerability has been resolved:mtd: Fix gluebi NULL pointer dereference caused by ftl notifierIf both ftl.ko and gluebi.ko are loaded, the notifier of ftltriggers NULL pointer dereference when trying to access‘gluebi->desc’ in gluebi_read().ubi_gluebi_init ubi_register_volume_notifier ubi_enumerate_volumes ubi_notify_all gluebi_notify nb->notifier_call() gluebi_create mtd_device_register mtd_device_parse_register add_mtd_device blktrans_notify_add not->add() ftl_add_mtd tr->add_mtd() scan_header mtd_read mtd_read_oob mtd_read_oob_std gluebi_read mtd->read() gluebi->desc - NULLDetailed reproduction information available at the Link [1],In the normal case, obtain gluebi->desc in the gluebi_get_device(),and access gluebi->desc in the gluebi_read(). However,gluebi_get_device() is not executed in advance in theftl_add_mtd() process, which leads to NULL pointer dereference.The solution for the gluebi module is to run jffs2 on the UBIvolume without considering working with ftl or mtdblock [2].Therefore, this problem can be avoided by preventing gluebi fromcreating the mtdblock device after creating mtd partition of thetype MTD_UBIVOLUME.", "category":"description", "title":"Vulnerability Description" } ], "product_status":{ "fixed":[ "openEuler-20.03-LTS-SP4:bpftool-debuginfo-4.19.90-2403.3.0.0270.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-debuginfo-4.19.90-2403.3.0.0270.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-4.19.90-2403.3.0.0270.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-debugsource-4.19.90-2403.3.0.0270.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-source-4.19.90-2403.3.0.0270.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-tools-devel-4.19.90-2403.3.0.0270.oe2003sp4.aarch64", 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"openEuler-20.03-LTS-SP4:bpftool-4.19.90-2403.3.0.0270.oe2003sp4.x86_64" ], "details":"kernel security update", "category":"vendor_fix", "url":"https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-1297" } ], "scores":[ { "cvss_v3":{ "baseSeverity":"MEDIUM", "baseScore":5.5, "vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version":"3.1" }, "products":[ "openEuler-20.03-LTS-SP4:bpftool-debuginfo-4.19.90-2403.3.0.0270.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-debuginfo-4.19.90-2403.3.0.0270.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-4.19.90-2403.3.0.0270.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-debugsource-4.19.90-2403.3.0.0270.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-source-4.19.90-2403.3.0.0270.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-tools-devel-4.19.90-2403.3.0.0270.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:perf-4.19.90-2403.3.0.0270.oe2003sp4.aarch64", 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