{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2024-26977", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-19T14:20:24.203Z", "datePublished": "2024-05-01T05:20:28.830Z", "dateUpdated": "2026-05-11T20:08:02.358Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T20:08:02.358Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npci_iounmap(): Fix MMIO mapping leak\n\nThe #ifdef ARCH_HAS_GENERIC_IOPORT_MAP accidentally also guards iounmap(),\nwhich means MMIO mappings are leaked.\n\nMove the guard so we call iounmap() for MMIO mappings."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["lib/pci_iomap.c"], "versions": [{"version": "316e8d79a0959c302b0c462ab64b069599f10eef", "lessThan": "5e4b23e7a7b33a1e56bfa3e5598138a2234d55b6", "status": "affected", "versionType": "git"}, {"version": "316e8d79a0959c302b0c462ab64b069599f10eef", "lessThan": "6d21d0356aa44157a62e39c0d1a13d4c69a8d0c8", "status": "affected", "versionType": "git"}, {"version": "316e8d79a0959c302b0c462ab64b069599f10eef", "lessThan": "b5d40f02e7222da032c2042aebcf2a07de9b342f", "status": "affected", "versionType": "git"}, {"version": "316e8d79a0959c302b0c462ab64b069599f10eef", "lessThan": "f3749345a9b7295dd071d0ed589634cb46364f77", "status": "affected", "versionType": "git"}, {"version": "316e8d79a0959c302b0c462ab64b069599f10eef", "lessThan": "af280e137e273935f2e09f4d73169998298792ed", "status": "affected", "versionType": "git"}, {"version": "316e8d79a0959c302b0c462ab64b069599f10eef", "lessThan": "7626913652cc786c238e2dd7d8740b17d41b2637", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["lib/pci_iomap.c"], "versions": [{"version": "5.15", "status": "affected"}, {"version": "0", "lessThan": "5.15", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.154", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.84", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.24", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.7.12", "lessThanOrEqual": "6.7.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.8.3", "lessThanOrEqual": "6.8.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.9", "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": "5.15", "versionEndExcluding": "5.15.154"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.1.84"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.6.24"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.7.12"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.8.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.9"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/5e4b23e7a7b33a1e56bfa3e5598138a2234d55b6"}, {"url": "https://git.kernel.org/stable/c/6d21d0356aa44157a62e39c0d1a13d4c69a8d0c8"}, {"url": "https://git.kernel.org/stable/c/b5d40f02e7222da032c2042aebcf2a07de9b342f"}, {"url": "https://git.kernel.org/stable/c/f3749345a9b7295dd071d0ed589634cb46364f77"}, {"url": "https://git.kernel.org/stable/c/af280e137e273935f2e09f4d73169998298792ed"}, {"url": "https://git.kernel.org/stable/c/7626913652cc786c238e2dd7d8740b17d41b2637"}], "title": "pci_iounmap(): Fix MMIO mapping leak", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "description": "CWE-noinfo Not enough information"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2024-06-18T18:26:41.016262Z", "id": "CVE-2024-26977", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-10-31T15:16:36.636Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T00:21:05.898Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/5e4b23e7a7b33a1e56bfa3e5598138a2234d55b6", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/6d21d0356aa44157a62e39c0d1a13d4c69a8d0c8", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/b5d40f02e7222da032c2042aebcf2a07de9b342f", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/f3749345a9b7295dd071d0ed589634cb46364f77", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/af280e137e273935f2e09f4d73169998298792ed", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/7626913652cc786c238e2dd7d8740b17d41b2637", "tags": ["x_transferred"]}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/5e4b23e7a7b33a1e56bfa3e5598138a2234d55b6", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/6d21d0356aa44157a62e39c0d1a13d4c69a8d0c8", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/b5d40f02e7222da032c2042aebcf2a07de9b342f", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/f3749345a9b7295dd071d0ed589634cb46364f77", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/af280e137e273935f2e09f4d73169998298792ed", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/7626913652cc786c238e2dd7d8740b17d41b2637", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T00:21:05.898Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2024-26977", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-06-18T18:26:41.016262Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "description": "CWE-noinfo Not enough information"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-18T18:26:46.239Z"}}], "cna": {"title": "pci_iounmap(): Fix MMIO mapping leak", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "316e8d79a0959c302b0c462ab64b069599f10eef", "lessThan": "5e4b23e7a7b33a1e56bfa3e5598138a2234d55b6", "versionType": "git"}, {"status": "affected", "version": "316e8d79a0959c302b0c462ab64b069599f10eef", "lessThan": "6d21d0356aa44157a62e39c0d1a13d4c69a8d0c8", "versionType": "git"}, {"status": "affected", "version": "316e8d79a0959c302b0c462ab64b069599f10eef", "lessThan": "b5d40f02e7222da032c2042aebcf2a07de9b342f", "versionType": "git"}, {"status": "affected", "version": "316e8d79a0959c302b0c462ab64b069599f10eef", "lessThan": "f3749345a9b7295dd071d0ed589634cb46364f77", "versionType": "git"}, {"status": "affected", "version": "316e8d79a0959c302b0c462ab64b069599f10eef", "lessThan": "af280e137e273935f2e09f4d73169998298792ed", "versionType": "git"}, {"status": "affected", "version": "316e8d79a0959c302b0c462ab64b069599f10eef", "lessThan": "7626913652cc786c238e2dd7d8740b17d41b2637", "versionType": "git"}], "programFiles": ["lib/pci_iomap.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.15"}, {"status": "unaffected", "version": "0", "lessThan": "5.15", "versionType": "semver"}, {"status": "unaffected", "version": "5.15.154", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.84", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.24", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.7.12", "versionType": "semver", "lessThanOrEqual": "6.7.*"}, {"status": "unaffected", "version": "6.8.3", "versionType": "semver", "lessThanOrEqual": "6.8.*"}, {"status": "unaffected", "version": "6.9", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["lib/pci_iomap.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/5e4b23e7a7b33a1e56bfa3e5598138a2234d55b6"}, {"url": "https://git.kernel.org/stable/c/6d21d0356aa44157a62e39c0d1a13d4c69a8d0c8"}, {"url": "https://git.kernel.org/stable/c/b5d40f02e7222da032c2042aebcf2a07de9b342f"}, {"url": "https://git.kernel.org/stable/c/f3749345a9b7295dd071d0ed589634cb46364f77"}, {"url": "https://git.kernel.org/stable/c/af280e137e273935f2e09f4d73169998298792ed"}, {"url": "https://git.kernel.org/stable/c/7626913652cc786c238e2dd7d8740b17d41b2637"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npci_iounmap(): Fix MMIO mapping leak\n\nThe #ifdef ARCH_HAS_GENERIC_IOPORT_MAP accidentally also guards iounmap(),\nwhich means MMIO mappings are leaked.\n\nMove the guard so we call iounmap() for MMIO mappings."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.154", "versionStartIncluding": "5.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.84", "versionStartIncluding": "5.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.24", "versionStartIncluding": "5.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.7.12", "versionStartIncluding": "5.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.8.3", "versionStartIncluding": "5.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.9", "versionStartIncluding": "5.15"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T20:08:02.358Z"}}}, "cveMetadata": {"cveId": "CVE-2024-26977", "state": "PUBLISHED", "dateUpdated": "2026-05-11T20:08:02.358Z", "dateReserved": "2024-02-19T14:20:24.203Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-05-01T05:20:28.830Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "79004700-FD9D-47CD-B613-855D4AF7BB03", "versionEndExcluding": "5.15.154", "versionStartIncluding": "5.15.1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "834D9BD5-42A6-4D74-979E-4D6D93F630FD", "versionEndExcluding": "6.1.84", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "8018C1D0-0A5F-48D0-BC72-A2B33FDDA693", "versionEndExcluding": "6.6.24", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "6BE9771A-BAFD-4624-95F9-58D536540C53", "versionEndExcluding": "6.7.12", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "4C59BBC3-6495-4A77-9C82-55EC7CDF5E02", "versionEndExcluding": "6.8.3", "versionStartIncluding": "6.8", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.15:-:*:*:*:*:*:*", "matchCriteriaId": "40D9C0D1-0F32-4A2B-9840-1072F5497540", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:*", "matchCriteriaId": "60134C3A-06E4-48C1-B04F-2903732A4E56", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.15:rc3:*:*:*:*:*:*", "matchCriteriaId": "0460DA88-8FE1-46A2-9DDA-1F1ABA552E71", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.15:rc4:*:*:*:*:*:*", "matchCriteriaId": "AF55383D-4DF2-45DC-93F7-571F4F978EAB", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.15:rc5:*:*:*:*:*:*", "matchCriteriaId": "9E9481B2-8AA6-4CBD-B5D3-C10F51FF6D01", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.15:rc6:*:*:*:*:*:*", "matchCriteriaId": "EBD45831-4B79-42BC-ABC0-86870F0DEA89", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.15:rc7:*:*:*:*:*:*", "matchCriteriaId": "948A6B8D-1B72-4945-8680-354E53BE1C80", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npci_iounmap(): Fix MMIO mapping leak\n\nThe #ifdef ARCH_HAS_GENERIC_IOPORT_MAP accidentally also guards iounmap(),\nwhich means MMIO mappings are leaked.\n\nMove the guard so we call iounmap() for MMIO mappings."}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: pci_iounmap(): corrige la fuga de mapeo MMIO El #ifdef ARCH_HAS_GENERIC_IOPORT_MAP accidentalmente tambi\u00e9n protege iounmap(), lo que significa que se filtraron los mapeos MMIO. Mueva la guardia para que llamemos a iounmap() para asignaciones MMIO."}], "id": "CVE-2024-26977", "lastModified": "2025-09-18T14:36:44.537", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2024-05-01T06:15:14.860", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5e4b23e7a7b33a1e56bfa3e5598138a2234d55b6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6d21d0356aa44157a62e39c0d1a13d4c69a8d0c8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7626913652cc786c238e2dd7d8740b17d41b2637"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/af280e137e273935f2e09f4d73169998298792ed"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b5d40f02e7222da032c2042aebcf2a07de9b342f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f3749345a9b7295dd071d0ed589634cb46364f77"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5e4b23e7a7b33a1e56bfa3e5598138a2234d55b6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6d21d0356aa44157a62e39c0d1a13d4c69a8d0c8"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7626913652cc786c238e2dd7d8740b17d41b2637"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/af280e137e273935f2e09f4d73169998298792ed"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b5d40f02e7222da032c2042aebcf2a07de9b342f"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f3749345a9b7295dd071d0ed589634cb46364f77"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: pci_iounmap(): Fix MMIO mapping leak", "id": "2278348", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2278348"}, "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": ["In the Linux kernel, the following vulnerability has been resolved:\npci_iounmap(): Fix MMIO mapping leak\nThe #ifdef ARCH_HAS_GENERIC_IOPORT_MAP accidentally also guards iounmap(),\nwhich means MMIO mappings are leaked.\nMove the guard so we call iounmap() for MMIO mappings.", "A vulnerability was found in the pci_iounmap() function in the Linux Kernel, where a lack of proper checks can result in memory leakage. This occurs due to the #ifdef ARCH_HAS_GENERIC_IOPORT_MAP macro which also guards the iounmap() function, causing MMIO mappings to leak. This issue can lead to resource exhaustion over time."], "name": "CVE-2024-26977", "package_state": [{"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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-05-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-26977\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-26977\nhttps://lore.kernel.org/linux-cve-announce/2024050133-CVE-2024-26977-cf63@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-07-12T23:06:41.172992+00:00", "updated": "2025-07-12T23:06:41.173059+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}