{ "document": { "aggregate_severity": { "text": "High" }, "category": "csaf_vex", "csaf_version": "2.0", "distribution": { "text": "TuxCare License Agreement", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://tuxcare.com/contact/", "name": "TuxCare", "namespace": "https://tuxcare.com/" }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://security.tuxcare.com/csaf/v2/els_os/oraclelinux6els/vex/2021/cve-2021-47153-els_os-oraclelinux6els.json" } ], "title": "Security update on CVE-2021-47153", "tracking": { "current_release_date": "2025-12-23T22:15:38Z", "generator": { "date": "2025-12-23T22:15:38Z", "engine": { "name": "pyCSAF" } }, "id": "CVE-2021-47153-ELS_OS-ORACLELINUX6ELS", "initial_release_date": "2021-01-01T00:00:00Z", "revision_history": [ { "date": "2021-01-01T00:00:00Z", "number": "1", "summary": "Initial version" }, { "date": "2025-10-21T19:30:20Z", "number": "2", "summary": "Official Publication" }, { "date": 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"category": "architecture", "name": "i686" } ], "category": "vendor", "name": "CloudLinux" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "python-perf-0:2.6.32-754.35.8.el6.tuxcare.els26.x86_64 as a component of Oracle Linux 6", "product_id": "Oracle-Linux-6:python-perf-0:2.6.32-754.35.8.el6.tuxcare.els26.x86_64" }, "product_reference": "python-perf-0:2.6.32-754.35.8.el6.tuxcare.els26.x86_64", "relates_to_product_reference": "Oracle-Linux-6" }, { "category": "default_component_of", "full_product_name": { "name": "perf-0:2.6.32-754.35.8.el6.tuxcare.els26.x86_64 as a component of Oracle Linux 6", "product_id": "Oracle-Linux-6:perf-0:2.6.32-754.35.8.el6.tuxcare.els26.x86_64" }, "product_reference": "perf-0:2.6.32-754.35.8.el6.tuxcare.els26.x86_64", "relates_to_product_reference": "Oracle-Linux-6" }, { "category": "default_component_of", "full_product_name": { "name": "kernel-abi-whitelists-0:2.6.32-754.35.8.el6.tuxcare.els26.noarch as a 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"Oracle-Linux-6:kernel-debug-devel-0:2.6.32-754.35.8.el6.tuxcare.els26.x86_64" }, "product_reference": "kernel-debug-devel-0:2.6.32-754.35.8.el6.tuxcare.els26.x86_64", "relates_to_product_reference": "Oracle-Linux-6" }, { "category": "default_component_of", "full_product_name": { "name": "kernel-doc-0:2.6.32-754.35.8.el6.tuxcare.els26.noarch as a component of Oracle Linux 6", "product_id": "Oracle-Linux-6:kernel-doc-0:2.6.32-754.35.8.el6.tuxcare.els26.noarch" }, "product_reference": "kernel-doc-0:2.6.32-754.35.8.el6.tuxcare.els26.noarch", "relates_to_product_reference": "Oracle-Linux-6" }, { "category": "default_component_of", "full_product_name": { "name": "kernel-headers-0:2.6.32-754.35.8.el6.tuxcare.els26.x86_64 as a component of Oracle Linux 6", "product_id": "Oracle-Linux-6:kernel-headers-0:2.6.32-754.35.8.el6.tuxcare.els26.x86_64" }, "product_reference": "kernel-headers-0:2.6.32-754.35.8.el6.tuxcare.els26.x86_64", "relates_to_product_reference": "Oracle-Linux-6" }, { "category": "default_component_of", "full_product_name": { "name": "kernel-firmware-0:2.6.32-754.35.8.el6.tuxcare.els26.noarch as a component of Oracle Linux 6", "product_id": "Oracle-Linux-6:kernel-firmware-0:2.6.32-754.35.8.el6.tuxcare.els26.noarch" }, "product_reference": "kernel-firmware-0:2.6.32-754.35.8.el6.tuxcare.els26.noarch", "relates_to_product_reference": "Oracle-Linux-6" } ] }, "vulnerabilities": [ { "cve": "CVE-2021-47153", "cwe": { "id": "CWE-125", "name": "Out-of-bounds Read" }, "notes": [ { "category": "description", "text": "In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: i801: Don't generate an interrupt on bus reset\n\nNow that the i2c-i801 driver supports interrupts, setting the KILL bit\nin a attempt to recover from a timed out transaction triggers an\ninterrupt. Unfortunately, the interrupt handler (i801_isr) is not\nprepared for this situation and will try to process the interrupt as\nif it was signaling the end of a successful transaction. In the case\nof a block transaction, this can result in an out-of-range memory\naccess.\n\nThis condition was reproduced several times by syzbot:\nhttps://syzkaller.appspot.com/bug?extid=ed71512d469895b5b34e\nhttps://syzkaller.appspot.com/bug?extid=8c8dedc0ba9e03f6c79e\nhttps://syzkaller.appspot.com/bug?extid=c8ff0b6d6c73d81b610e\nhttps://syzkaller.appspot.com/bug?extid=33f6c360821c399d69eb\nhttps://syzkaller.appspot.com/bug?extid=be15dc0b1933f04b043a\nhttps://syzkaller.appspot.com/bug?extid=b4d3fd1dfd53e90afd79\n\nSo disable interrupts while trying to reset the bus. Interrupts will\nbe enabled again for the following transaction.", "title": "Vulnerability description" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "Oracle-Linux-6:kernel-0:2.6.32-754.35.8.el6.tuxcare.els26.x86_64", "Oracle-Linux-6:kernel-abi-whitelists-0:2.6.32-754.35.8.el6.tuxcare.els26.noarch", "Oracle-Linux-6:kernel-debug-0:2.6.32-754.35.8.el6.tuxcare.els26.x86_64", "Oracle-Linux-6:kernel-debug-devel-0:2.6.32-754.35.8.el6.tuxcare.els26.i686", "Oracle-Linux-6:kernel-debug-devel-0:2.6.32-754.35.8.el6.tuxcare.els26.x86_64", "Oracle-Linux-6:kernel-devel-0:2.6.32-754.35.8.el6.tuxcare.els26.x86_64", "Oracle-Linux-6:kernel-doc-0:2.6.32-754.35.8.el6.tuxcare.els26.noarch", "Oracle-Linux-6:kernel-firmware-0:2.6.32-754.35.8.el6.tuxcare.els26.noarch", "Oracle-Linux-6:kernel-headers-0:2.6.32-754.35.8.el6.tuxcare.els26.x86_64", "Oracle-Linux-6:perf-0:2.6.32-754.35.8.el6.tuxcare.els26.x86_64", "Oracle-Linux-6:python-perf-0:2.6.32-754.35.8.el6.tuxcare.els26.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2021-47153" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/04cc05e3716ae31b17ecdab7bc55c8170def1b8b", "url": "https://git.kernel.org/stable/c/04cc05e3716ae31b17ecdab7bc55c8170def1b8b" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/09c9e79f4c10cfb6b9e0e1b4dd355232e4b5a3b3", "url": "https://git.kernel.org/stable/c/09c9e79f4c10cfb6b9e0e1b4dd355232e4b5a3b3" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/1f583d3813f204449037cd2acbfc09168171362a", "url": "https://git.kernel.org/stable/c/1f583d3813f204449037cd2acbfc09168171362a" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/b523feb7e8e44652f92f3babb953a976e7ccbbef", "url": "https://git.kernel.org/stable/c/b523feb7e8e44652f92f3babb953a976e7ccbbef" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/c70e1ba2e7e65255a0ce004f531dd90dada97a8c", "url": "https://git.kernel.org/stable/c/c70e1ba2e7e65255a0ce004f531dd90dada97a8c" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/dfa8929e117b0228a7765f5c3f5988a4a028f3c6", "url": "https://git.kernel.org/stable/c/dfa8929e117b0228a7765f5c3f5988a4a028f3c6" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/e4d8716c3dcec47f1557024add24e1f3c09eb24b", "url": "https://git.kernel.org/stable/c/e4d8716c3dcec47f1557024add24e1f3c09eb24b" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/f9469082126cebb7337db3992d143f5e4edfe629", "url": "https://git.kernel.org/stable/c/f9469082126cebb7337db3992d143f5e4edfe629" } ], "release_date": "2024-03-25T09:15:00Z", "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "version": "3.1" }, "products": [ "Oracle-Linux-6:kernel-0:2.6.32-754.35.8.el6.tuxcare.els26.x86_64", "Oracle-Linux-6:kernel-abi-whitelists-0:2.6.32-754.35.8.el6.tuxcare.els26.noarch", "Oracle-Linux-6:kernel-debug-0:2.6.32-754.35.8.el6.tuxcare.els26.x86_64", "Oracle-Linux-6:kernel-debug-devel-0:2.6.32-754.35.8.el6.tuxcare.els26.i686", "Oracle-Linux-6:kernel-debug-devel-0:2.6.32-754.35.8.el6.tuxcare.els26.x86_64", "Oracle-Linux-6:kernel-devel-0:2.6.32-754.35.8.el6.tuxcare.els26.x86_64", "Oracle-Linux-6:kernel-doc-0:2.6.32-754.35.8.el6.tuxcare.els26.noarch", "Oracle-Linux-6:kernel-firmware-0:2.6.32-754.35.8.el6.tuxcare.els26.noarch", "Oracle-Linux-6:kernel-headers-0:2.6.32-754.35.8.el6.tuxcare.els26.x86_64", "Oracle-Linux-6:perf-0:2.6.32-754.35.8.el6.tuxcare.els26.x86_64", "Oracle-Linux-6:python-perf-0:2.6.32-754.35.8.el6.tuxcare.els26.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ] } ] }