{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-40359", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T07:20:57.187Z", "datePublished": "2025-12-16T13:39:58.778Z", "dateUpdated": "2026-05-11T21:47:50.767Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:47:50.767Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nperf/x86/intel: Fix KASAN global-out-of-bounds warning\n\nWhen running \"perf mem record\" command on CWF, the below KASAN\nglobal-out-of-bounds warning is seen.\n\n ==================================================================\n BUG: KASAN: global-out-of-bounds in cmt_latency_data+0x176/0x1b0\n Read of size 4 at addr ffffffffb721d000 by task dtlb/9850\n\n Call Trace:\n\n kasan_report+0xb8/0xf0\n cmt_latency_data+0x176/0x1b0\n setup_arch_pebs_sample_data+0xf49/0x2560\n intel_pmu_drain_arch_pebs+0x577/0xb00\n handle_pmi_common+0x6c4/0xc80\n\nThe issue is caused by below code in __grt_latency_data(). The code\ntries to access x86_hybrid_pmu structure which doesn't exist on\nnon-hybrid platform like CWF.\n\n WARN_ON_ONCE(hybrid_pmu(event->pmu)->pmu_type == hybrid_big)\n\nSo add is_hybrid() check before calling this WARN_ON_ONCE to fix the\nglobal-out-of-bounds access issue."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["arch/x86/events/intel/ds.c"], "versions": [{"version": "090262439f66df03d4e9d0e52e14104b729e2ef8", "lessThan": "1b61a1da3d8105ea1be548c94c2856697eb7ffd1", "status": "affected", "versionType": "git"}, {"version": "090262439f66df03d4e9d0e52e14104b729e2ef8", "lessThan": "710a72e81a7028e1ad1a10eb14f941f8dd45ffd3", "status": "affected", "versionType": "git"}, {"version": "090262439f66df03d4e9d0e52e14104b729e2ef8", "lessThan": "0ba6502ce167fc3d598c08c2cc3b4ed7ca5aa251", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["arch/x86/events/intel/ds.c"], "versions": [{"version": "6.11", "status": "affected"}, {"version": "0", "lessThan": "6.11", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.58", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.17.8", "lessThanOrEqual": "6.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "6.12.58"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "6.17.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "6.18"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/1b61a1da3d8105ea1be548c94c2856697eb7ffd1"}, {"url": "https://git.kernel.org/stable/c/710a72e81a7028e1ad1a10eb14f941f8dd45ffd3"}, {"url": "https://git.kernel.org/stable/c/0ba6502ce167fc3d598c08c2cc3b4ed7ca5aa251"}], "title": "perf/x86/intel: Fix KASAN global-out-of-bounds warning", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nperf/x86/intel: Fix KASAN global-out-of-bounds warning\n\nWhen running \"perf mem record\" command on CWF, the below KASAN\nglobal-out-of-bounds warning is seen.\n\n ==================================================================\n BUG: KASAN: global-out-of-bounds in cmt_latency_data+0x176/0x1b0\n Read of size 4 at addr ffffffffb721d000 by task dtlb/9850\n\n Call Trace:\n\n kasan_report+0xb8/0xf0\n cmt_latency_data+0x176/0x1b0\n setup_arch_pebs_sample_data+0xf49/0x2560\n intel_pmu_drain_arch_pebs+0x577/0xb00\n handle_pmi_common+0x6c4/0xc80\n\nThe issue is caused by below code in __grt_latency_data(). The code\ntries to access x86_hybrid_pmu structure which doesn't exist on\nnon-hybrid platform like CWF.\n\n WARN_ON_ONCE(hybrid_pmu(event->pmu)->pmu_type == hybrid_big)\n\nSo add is_hybrid() check before calling this WARN_ON_ONCE to fix the\nglobal-out-of-bounds access issue."}], "id": "CVE-2025-40359", "lastModified": "2026-04-15T00:35:42.020", "metrics": {}, "published": "2025-12-16T14:15:47.863", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0ba6502ce167fc3d598c08c2cc3b4ed7ca5aa251"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1b61a1da3d8105ea1be548c94c2856697eb7ffd1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/710a72e81a7028e1ad1a10eb14f941f8dd45ffd3"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Deferred"}

{"bugzilla": {"description": "kernel: perf/x86/intel: Fix KASAN global-out-of-bounds warning", "id": "2422736", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2422736"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2025-40359", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-12-16T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-40359\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-40359\nhttps://lore.kernel.org/linux-cve-announce/2025121644-CVE-2025-40359-143c@gregkh/T"], "threat_severity": "Low"}

{}