Incomplete cleanup of multi-core shared buffers for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
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Incomplete cleanup of multi-core shared buffers for some Intel\u00ae Processors may allow an authenticated user to enable information disclosure via local access.\n#### Mitigation\n\nMitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation baser or stability. \n\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 5.5, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2022-06-14T19:29:15", "type": "redhatcve", "title": "CVE-2022-21123", "bulletinFamily": "info", "cvss2": {"severity": "LOW", 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reference = pkg['reference'];\n if (!empty_or_null(pkg['release'])) _release = 'RHEL' + pkg['release'];\n if (!empty_or_null(pkg['sp']) && !enterprise_linux_flag) sp = pkg['sp'];\n if (!empty_or_null(pkg['cpu'])) _cpu = pkg['cpu'];\n if (!empty_or_null(pkg['el_string'])) el_string = pkg['el_string'];\n if (!empty_or_null(pkg['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = pkg['rpm_spec_vers_cmp'];\n if (!empty_or_null(pkg['epoch'])) epoch = pkg['epoch'];\n if (!empty_or_null(pkg['allowmaj'])) allowmaj = pkg['allowmaj'];\n if (!empty_or_null(pkg['exists_check'])) exists_check = pkg['exists_check'];\n if (reference &&\n _release &&\n rhel_decide_repo_relative_url_check(required_repo_url_list:repo_relative_urls) &&\n (applicable_repo_urls || (!exists_check || rpm_exists(release:_release, rpm:exists_check))) &&\n rpm_check(release:_release, sp:sp, cpu:_cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp, allowmaj:allowmaj)) flag++;\n }\n}\n\nif 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'content/eus/rhel9/9.0/x86_64/appstream/source/SRPMS',\n 'content/eus/rhel9/9.0/x86_64/baseos/debug',\n 'content/eus/rhel9/9.0/x86_64/baseos/os',\n 'content/eus/rhel9/9.0/x86_64/baseos/source/SRPMS',\n 'content/eus/rhel9/9.0/x86_64/codeready-builder/debug',\n 'content/eus/rhel9/9.0/x86_64/codeready-builder/os',\n 'content/eus/rhel9/9.0/x86_64/codeready-builder/source/SRPMS',\n 'content/eus/rhel9/9.0/x86_64/highavailability/debug',\n 'content/eus/rhel9/9.0/x86_64/highavailability/os',\n 'content/eus/rhel9/9.0/x86_64/highavailability/source/SRPMS',\n 'content/eus/rhel9/9.0/x86_64/resilientstorage/debug',\n 'content/eus/rhel9/9.0/x86_64/resilientstorage/os',\n 'content/eus/rhel9/9.0/x86_64/resilientstorage/source/SRPMS',\n 'content/eus/rhel9/9.0/x86_64/sap-solutions/debug',\n 'content/eus/rhel9/9.0/x86_64/sap-solutions/os',\n 'content/eus/rhel9/9.0/x86_64/sap-solutions/source/SRPMS',\n 'content/eus/rhel9/9.0/x86_64/sap/debug',\n 'content/eus/rhel9/9.0/x86_64/sap/os',\n 'content/eus/rhel9/9.0/x86_64/sap/source/SRPMS',\n 'content/eus/rhel9/9.0/x86_64/supplementary/debug',\n 'content/eus/rhel9/9.0/x86_64/supplementary/os',\n 'content/eus/rhel9/9.0/x86_64/supplementary/source/SRPMS'\n ],\n 'pkgs': [\n {'reference':'bpftool-5.14.0-70.36.1.el9_0', 'sp':'0', 'release':'9', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'kernel-5.14.0-70.36.1.el9_0', 'sp':'0', 'release':'9', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'kernel-abi-stablelists-5.14.0-70.36.1.el9_0', 'sp':'0', 'release':'9', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'kernel-core-5.14.0-70.36.1.el9_0', 'sp':'0', 'release':'9', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'kernel-cross-headers-5.14.0-70.36.1.el9_0', 'sp':'0', 'release':'9', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'kernel-debug-5.14.0-70.36.1.el9_0', 'sp':'0', 'release':'9', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'kernel-debug-core-5.14.0-70.36.1.el9_0', 'sp':'0', 'release':'9', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'kernel-debug-devel-5.14.0-70.36.1.el9_0', 'sp':'0', 'release':'9', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'kernel-debug-devel-matched-5.14.0-70.36.1.el9_0', 'sp':'0', 'release':'9', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'kernel-debug-modules-5.14.0-70.36.1.el9_0', 'sp':'0', 'release':'9', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'kernel-debug-modules-extra-5.14.0-70.36.1.el9_0', 'sp':'0', 'release':'9', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'kernel-devel-5.14.0-70.36.1.el9_0', 'sp':'0', 'release':'9', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'kernel-devel-matched-5.14.0-70.36.1.el9_0', 'sp':'0', 'release':'9', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'kernel-headers-5.14.0-70.36.1.el9_0', 'sp':'0', 'release':'9', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'kernel-modules-5.14.0-70.36.1.el9_0', 'sp':'0', 'release':'9', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'kernel-modules-extra-5.14.0-70.36.1.el9_0', 'sp':'0', 'release':'9', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'kernel-tools-5.14.0-70.36.1.el9_0', 'sp':'0', 'release':'9', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'kernel-tools-libs-5.14.0-70.36.1.el9_0', 'sp':'0', 'cpu':'aarch64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'kernel-tools-libs-5.14.0-70.36.1.el9_0', 'sp':'0', 'cpu':'x86_64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'kernel-tools-libs-devel-5.14.0-70.36.1.el9_0', 'sp':'0', 'cpu':'aarch64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'kernel-tools-libs-devel-5.14.0-70.36.1.el9_0', 'sp':'0', 'cpu':'x86_64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'kernel-zfcpdump-5.14.0-70.36.1.el9_0', 'sp':'0', 'cpu':'s390x', 'release':'9', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'kernel-zfcpdump-core-5.14.0-70.36.1.el9_0', 'sp':'0', 'cpu':'s390x', 'release':'9', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'kernel-zfcpdump-devel-5.14.0-70.36.1.el9_0', 'sp':'0', 'cpu':'s390x', 'release':'9', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'kernel-zfcpdump-devel-matched-5.14.0-70.36.1.el9_0', 'sp':'0', 'cpu':'s390x', 'release':'9', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'kernel-zfcpdump-modules-5.14.0-70.36.1.el9_0', 'sp':'0', 'cpu':'s390x', 'release':'9', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'kernel-zfcpdump-modules-extra-5.14.0-70.36.1.el9_0', 'sp':'0', 'cpu':'s390x', 'release':'9', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'perf-5.14.0-70.36.1.el9_0', 'sp':'0', 'release':'9', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'python3-perf-5.14.0-70.36.1.el9_0', 'sp':'0', 'release':'9', 'rpm_spec_vers_cmp':TRUE}\n ]\n }\n];\n\nvar applicable_repo_urls = rhel_determine_applicable_repository_urls(constraints:constraints);\nif(applicable_repo_urls == RHEL_REPOS_NO_OVERLAP_MESSAGE) exit(0, RHEL_REPO_NOT_ENABLED);\n\nvar flag = 0;\nforeach var constraint_array ( constraints ) {\n var repo_relative_urls = NULL;\n if (!empty_or_null(constraint_array['repo_relative_urls'])) repo_relative_urls = constraint_array['repo_relative_urls'];\n foreach var pkg ( constraint_array['pkgs'] ) {\n var reference = NULL;\n var _release = NULL;\n var sp = NULL;\n var _cpu = NULL;\n var el_string = NULL;\n var rpm_spec_vers_cmp = NULL;\n var epoch = NULL;\n var allowmaj = NULL;\n var exists_check = NULL;\n if (!empty_or_null(pkg['reference'])) reference = pkg['reference'];\n if (!empty_or_null(pkg['release'])) _release = 'RHEL' + pkg['release'];\n if (!empty_or_null(pkg['sp'])) sp = pkg['sp'];\n if (!empty_or_null(pkg['cpu'])) _cpu = pkg['cpu'];\n if (!empty_or_null(pkg['el_string'])) el_string = pkg['el_string'];\n if (!empty_or_null(pkg['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = pkg['rpm_spec_vers_cmp'];\n if (!empty_or_null(pkg['epoch'])) epoch = pkg['epoch'];\n if (!empty_or_null(pkg['allowmaj'])) allowmaj = pkg['allowmaj'];\n if (!empty_or_null(pkg['exists_check'])) exists_check = pkg['exists_check'];\n if (reference &&\n _release &&\n rhel_decide_repo_relative_url_check(required_repo_url_list:repo_relative_urls) &&\n (applicable_repo_urls || (!exists_check || rpm_exists(release:_release, rpm:exists_check))) &&\n rpm_check(release:_release, sp:sp, cpu:_cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp, allowmaj:allowmaj)) flag++;\n }\n}\n\nif (flag)\n{\n var subscription_caveat = '\\n' +\n 'NOTE: This vulnerability check contains fixes that apply to\\n' +\n 'packages only available in the Red Hat Enterprise Linux\\n' +\n 'Extended Update Support or Update Services for SAP Solutions repositories.\\n' +\n 'Access to these repositories requires a paid RHEL subscription.\\n';\n var extra = NULL;\n if (empty_or_null(applicable_repo_urls)) extra = subscription_caveat + rpm_report_get() + redhat_report_repo_caveat();\n else extra = subscription_caveat + rpm_report_get() + redhat_report_package_caveat();\n security_report_v4(\n port : 0,\n severity : SECURITY_NOTE,\n extra : extra\n );\n exit(0);\n}\nelse\n{\n var tested = pkg_tests_get();\n if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);\n else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'bpftool / kernel / kernel-abi-stablelists / kernel-core / etc');\n}\n", "cvss": {"score": 2.1, "vector": "AV:L/AC:L/Au:N/C:P/I:N/A:N"}}, {"lastseen": "2023-02-28T18:38:13", "description": "The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:8974 advisory.\n\n - kernel: KVM: cmpxchg_gpte can write to pfns outside the userspace region (CVE-2022-1158)\n\n - hw: cpu: incomplete clean-up of multi-core shared buffers (aka SBDR) (CVE-2022-21123)\n\n - hw: cpu: incomplete clean-up of microarchitectural fill buffers (aka SBDS) (CVE-2022-21125)\n\n - hw: cpu: incomplete clean-up in specific special register write operations (aka DRPW) (CVE-2022-21166)\n\n - CVE-2022-29900 hw: cpu: AMD: RetBleed Arbitrary Speculative Code Execution with Return Instructions (CVE-2022-23816)\n\n - hw: cpu: AMD: Branch Type Confusion (non-retbleed) (CVE-2022-23825)\n\n - hw: cpu: Intel: Post-barrier Return Stack Buffer Predictions (CVE-2022-26373)\n\n - kernel: openvswitch: integer underflow leads to out-of-bounds write in reserve_sfa_size() (CVE-2022-2639)\n\n - kernel: watch queue race condition can lead to privilege escalation (CVE-2022-2959)\n\n - CVE-2022-23816 hw: cpu: AMD: RetBleed Arbitrary Speculative Code Execution with Return Instructions (CVE-2022-29900)\n\n - hw: cpu: Intel: RetBleed Arbitrary Speculative Code Execution with Return Instructions (CVE-2022-29901)\n\n - kernel: nfsd buffer overflow by RPC message over TCP with garbage data (CVE-2022-43945)\n\nNote that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2022-12-13T00:00:00", "type": "nessus", "title": "RHEL 9 : kernel-rt (RHSA-2022:8974)", "bulletinFamily": "scanner", "cvss2": {"severity": "LOW", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "baseScore": 2.1, "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false},
Intel: CVE-2022-21123 Shared Buffers Data Read (SBDR)
