CVE-2026-46329

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-46329", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-13T15:03:33.112Z", "datePublished": "2026-06-09T12:25:58.520Z", "dateUpdated": "2026-06-09T12:25:58.520Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-09T12:25:58.520Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nerofs: handle end of filesystem properly for file-backed mounts\n\nI/O requests beyond the end of the filesystem should be zeroed out,\nsimilar to loopback devices and that is what we expect."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/erofs/fileio.c"], "versions": [{"version": "ce63cb62d794c98c7631c2296fa845f2a8d0a4a1", "lessThan": "8d582d65d20bb4796db01b19e86909ad68cb337b", "status": "affected", "versionType": "git"}, {"version": "ce63cb62d794c98c7631c2296fa845f2a8d0a4a1", "lessThan": "e49abde0ffc382a967b24f326d1614ac3bb06a94", "status": "affected", "versionType": "git"}, {"version": "ce63cb62d794c98c7631c2296fa845f2a8d0a4a1", "lessThan": "fe4039034dcdf584afbf763787909e28e92a4927", "status": "affected", "versionType": "git"}, {"version": "ce63cb62d794c98c7631c2296fa845f2a8d0a4a1", "lessThan": "bc804a8d7e865ef47fb7edcaf5e77d18bf444ebc", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/erofs/fileio.c"], "versions": [{"version": "6.12", "status": "affected"}, {"version": "0", "lessThan": "6.12", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.75", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.14", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.4", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "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": "6.12", "versionEndExcluding": "6.12.75"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "6.18.14"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "6.19.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/8d582d65d20bb4796db01b19e86909ad68cb337b"}, {"url": "https://git.kernel.org/stable/c/e49abde0ffc382a967b24f326d1614ac3bb06a94"}, {"url": "https://git.kernel.org/stable/c/fe4039034dcdf584afbf763787909e28e92a4927"}, {"url": "https://git.kernel.org/stable/c/bc804a8d7e865ef47fb7edcaf5e77d18bf444ebc"}], "title": "erofs: handle end of filesystem properly for file-backed mounts", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["fs/erofs/fileio.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "8d582d65d20bb4796db01b19e86909ad68cb337b", "status": "affected", "version": "ce63cb62d794c98c7631c2296fa845f2a8d0a4a1", "versionType": "git"}, {"lessThan": "e49abde0ffc382a967b24f326d1614ac3bb06a94", "status": "affected", "version": "ce63cb62d794c98c7631c2296fa845f2a8d0a4a1", "versionType": "git"}, {"lessThan": "fe4039034dcdf584afbf763787909e28e92a4927", "status": "affected", "version": "ce63cb62d794c98c7631c2296fa845f2a8d0a4a1", "versionType": "git"}, {"lessThan": "bc804a8d7e865ef47fb7edcaf5e77d18bf444ebc", "status": "affected", "version": "ce63cb62d794c98c7631c2296fa845f2a8d0a4a1", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["fs/erofs/fileio.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.12"}, {"lessThan": "6.12", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.75", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.14", "versionType": "semver"}, {"lessThanOrEqual": "6.19.*", "status": "unaffected", "version": "6.19.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "91F4DDF8-DCB5-433F-9A96-EB7DD49CF8DB", "versionEndExcluding": "6.12.75", "versionStartIncluding": "6.12", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "BF463CB7-1F58-4607-B847-77ED23E4B9B7", "versionEndExcluding": "6.18.14", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "672A3E79-EC03-479D-8503-361DFBDC8092", "versionEndExcluding": "6.19.4", "versionStartIncluding": "6.19", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nerofs: handle end of filesystem properly for file-backed mounts\n\nI/O requests beyond the end of the filesystem should be zeroed out,\nsimilar to loopback devices and that is what we expect."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nerofs: manejar el final del sistema de archivos correctamente para montajes respaldados por archivos\n\nLas solicitudes de E/S m\u00e1s all\u00e1 del final del sistema de archivos deben ser rellenadas con ceros,\nsimilar a los dispositivos de bucle invertido y eso es lo que esperamos."}], "id": "CVE-2026-46329", "lastModified": "2026-07-23T08:10:00.137", "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"}]}, "published": "2026-06-09T14:16:42.620", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8d582d65d20bb4796db01b19e86909ad68cb337b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/bc804a8d7e865ef47fb7edcaf5e77d18bf444ebc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e49abde0ffc382a967b24f326d1614ac3bb06a94"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fe4039034dcdf584afbf763787909e28e92a4927"}], "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: erofs: handle end of filesystem properly for file-backed mounts", "id": "2487005", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2487005"}, "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"}, "cwe": "CWE-125", "details": ["A flaw was found in the Linux kernel's erofs filesystem. This vulnerability occurs due to improper handling of I/O requests that extend beyond the end of a file-backed filesystem. An attacker could potentially exploit this to read uninitialized memory, leading to information disclosure. This issue should be addressed to prevent unauthorized access to sensitive data."], "name": "CVE-2026-46329", "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": "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": "2026-06-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-46329\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-46329\nhttps://lore.kernel.org/linux-cve-announce/2026060910-CVE-2026-46329-6a9b@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ce63cb62d794c98c7631c2296fa845f2a8d0a4a1,8d582d65d20bb4796db01b19e86909ad68cb337b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ce63cb62d794c98c7631c2296fa845f2a8d0a4a1,e49abde0ffc382a967b24f326d1614ac3bb06a94)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ce63cb62d794c98c7631c2296fa845f2a8d0a4a1,fe4039034dcdf584afbf763787909e28e92a4927)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ce63cb62d794c98c7631c2296fa845f2a8d0a4a1,bc804a8d7e865ef47fb7edcaf5e77d18bf444ebc)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.12"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.12)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.75,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.14,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.19.4,6.20.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.0,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-06-09T15:00:07.486537+00:00", "updated": "2026-08-13T20:30:02.613263+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}