{"api_version":"1","generated_at":"2026-07-23T13:29:38+00:00","cve":"CVE-2026-53114","urls":{"html":"https://cve.report/CVE-2026-53114","api":"https://cve.report/api/cve/CVE-2026-53114.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-53114","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-53114"},"summary":{"title":"perf/amd/ibs: Avoid calling perf_allow_kernel() from the IBS NMI handler","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nperf/amd/ibs: Avoid calling perf_allow_kernel() from the IBS NMI handler\n\nCalling perf_allow_kernel() from the NMI context is unsafe and could be\nfatal. Capture the permission at event-initialization time by storing it\nin event->hw.flags, and have the NMI handler rely on that cached flag\ninstead of making the call directly.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-24 17:17:25","updated_at":"2026-07-14 15:26:52"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/0584e74fa2b27e9e722cfb5b579f79263df20040","name":"https://git.kernel.org/stable/c/0584e74fa2b27e9e722cfb5b579f79263df20040","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b0a09142622a994c4f4088c3f61db5da87cfc711","name":"https://git.kernel.org/stable/c/b0a09142622a994c4f4088c3f61db5da87cfc711","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/2783ed2442ce69ae240b787aee6dae801cef7aec","name":"https://git.kernel.org/stable/c/2783ed2442ce69ae240b787aee6dae801cef7aec","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-53114","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53114","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 50a53b60e141d7e31368a87e222e4dd5597bd4ae 2783ed2442ce69ae240b787aee6dae801cef7aec git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 50a53b60e141d7e31368a87e222e4dd5597bd4ae 0584e74fa2b27e9e722cfb5b579f79263df20040 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 50a53b60e141d7e31368a87e222e4dd5597bd4ae b0a09142622a994c4f4088c3f61db5da87cfc711 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.14","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.14 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.33 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.10 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"53114","cve":"CVE-2026-53114","epss":"0.001540000","percentile":"0.050070000","score_date":"2026-07-14","updated_at":"2026-07-15 00:14:55"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["arch/x86/events/amd/ibs.c","arch/x86/events/perf_event_flags.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"2783ed2442ce69ae240b787aee6dae801cef7aec","status":"affected","version":"50a53b60e141d7e31368a87e222e4dd5597bd4ae","versionType":"git"},{"lessThan":"0584e74fa2b27e9e722cfb5b579f79263df20040","status":"affected","version":"50a53b60e141d7e31368a87e222e4dd5597bd4ae","versionType":"git"},{"lessThan":"b0a09142622a994c4f4088c3f61db5da87cfc711","status":"affected","version":"50a53b60e141d7e31368a87e222e4dd5597bd4ae","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["arch/x86/events/amd/ibs.c","arch/x86/events/perf_event_flags.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.14"},{"lessThan":"6.14","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.33","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.33","versionStartIncluding":"6.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.10","versionStartIncluding":"6.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1","versionStartIncluding":"6.14","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nperf/amd/ibs: Avoid calling perf_allow_kernel() from the IBS NMI handler\n\nCalling perf_allow_kernel() from the NMI context is unsafe and could be\nfatal. Capture the permission at event-initialization time by storing it\nin event->hw.flags, and have the NMI handler rely on that cached flag\ninstead of making the call directly."}],"providerMetadata":{"dateUpdated":"2026-06-24T16:30:46.662Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/2783ed2442ce69ae240b787aee6dae801cef7aec"},{"url":"https://git.kernel.org/stable/c/0584e74fa2b27e9e722cfb5b579f79263df20040"},{"url":"https://git.kernel.org/stable/c/b0a09142622a994c4f4088c3f61db5da87cfc711"}],"title":"perf/amd/ibs: Avoid calling perf_allow_kernel() from the IBS NMI handler","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-53114","datePublished":"2026-06-24T16:30:46.662Z","dateReserved":"2026-06-09T07:44:35.385Z","dateUpdated":"2026-06-24T16:30:46.662Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-24 17:17:25","lastModifiedDate":"2026-07-14 15:26:52","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"53114","Ordinal":"1","Title":"perf/amd/ibs: Avoid calling perf_allow_kernel() from the IBS NMI","CVE":"CVE-2026-53114","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"53114","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nperf/amd/ibs: Avoid calling perf_allow_kernel() from the IBS NMI handler\n\nCalling perf_allow_kernel() from the NMI context is unsafe and could be\nfatal. Capture the permission at event-initialization time by storing it\nin event->hw.flags, and have the NMI handler rely on that cached flag\ninstead of making the call directly.","Type":"Description","Title":"perf/amd/ibs: Avoid calling perf_allow_kernel() from the IBS NMI"}]}}}