CVE-2026-43295

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43295", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-01T14:12:55.999Z", "datePublished": "2026-05-08T13:11:18.226Z", "dateUpdated": "2026-05-11T22:21:47.637Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T22:21:47.637Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nrapidio: replace rio_free_net() with kfree() in rio_scan_alloc_net()\n\nWhen idtab allocation fails, net is not registered with rio_add_net() yet,\nso kfree(net) is sufficient to release the memory. Set mport->net to NULL\nto avoid dangling pointer."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/rapidio/rio-scan.c"], "versions": [{"version": "e6b585ca6e81badeb3d42db3cc408174f2826034", "lessThan": "83e579c2f7f6b1706323d744833b26470049dcc2", "status": "affected", "versionType": "git"}, {"version": "e6b585ca6e81badeb3d42db3cc408174f2826034", "lessThan": "34a4f233df5eef5f1f113b2196142c0568b387f8", "status": "affected", "versionType": "git"}, {"version": "e6b585ca6e81badeb3d42db3cc408174f2826034", "lessThan": "fecf292c6691970897396190855aa38826b7104e", "status": "affected", "versionType": "git"}, {"version": "e6b585ca6e81badeb3d42db3cc408174f2826034", "lessThan": "649c2e853608cad0b0cba545555d168e67f094b3", "status": "affected", "versionType": "git"}, {"version": "e6b585ca6e81badeb3d42db3cc408174f2826034", "lessThan": "87272e3e70ec4b666885bd520ff77463c11444ef", "status": "affected", "versionType": "git"}, {"version": "e6b585ca6e81badeb3d42db3cc408174f2826034", "lessThan": "e5a732bfe29451e16abf9c6f07ce5948b22f3d59", "status": "affected", "versionType": "git"}, {"version": "e6b585ca6e81badeb3d42db3cc408174f2826034", "lessThan": "78812c4fb7ed242d5961bf1337a49070d6487c94", "status": "affected", "versionType": "git"}, {"version": "e6b585ca6e81badeb3d42db3cc408174f2826034", "lessThan": "666183dcdd9ad3b8156a1df7f204f728f720380f", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/rapidio/rio-scan.c"], "versions": [{"version": "4.6", "status": "affected"}, {"version": "0", "lessThan": "4.6", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.252", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.202", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.165", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.128", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.75", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.16", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.6", "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": "4.6", "versionEndExcluding": "5.10.252"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.6", "versionEndExcluding": "5.15.202"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.6", "versionEndExcluding": "6.1.165"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.6", "versionEndExcluding": "6.6.128"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.6", "versionEndExcluding": "6.12.75"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.6", "versionEndExcluding": "6.18.16"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.6", "versionEndExcluding": "6.19.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.6", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/83e579c2f7f6b1706323d744833b26470049dcc2"}, {"url": "https://git.kernel.org/stable/c/34a4f233df5eef5f1f113b2196142c0568b387f8"}, {"url": "https://git.kernel.org/stable/c/fecf292c6691970897396190855aa38826b7104e"}, {"url": "https://git.kernel.org/stable/c/649c2e853608cad0b0cba545555d168e67f094b3"}, {"url": "https://git.kernel.org/stable/c/87272e3e70ec4b666885bd520ff77463c11444ef"}, {"url": "https://git.kernel.org/stable/c/e5a732bfe29451e16abf9c6f07ce5948b22f3d59"}, {"url": "https://git.kernel.org/stable/c/78812c4fb7ed242d5961bf1337a49070d6487c94"}, {"url": "https://git.kernel.org/stable/c/666183dcdd9ad3b8156a1df7f204f728f720380f"}], "title": "rapidio: replace rio_free_net() with kfree() in rio_scan_alloc_net()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/rapidio/rio-scan.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "83e579c2f7f6b1706323d744833b26470049dcc2", "status": "affected", "version": "e6b585ca6e81badeb3d42db3cc408174f2826034", "versionType": "git"}, {"lessThan": "34a4f233df5eef5f1f113b2196142c0568b387f8", "status": "affected", "version": "e6b585ca6e81badeb3d42db3cc408174f2826034", "versionType": "git"}, {"lessThan": "fecf292c6691970897396190855aa38826b7104e", "status": "affected", "version": "e6b585ca6e81badeb3d42db3cc408174f2826034", "versionType": "git"}, {"lessThan": "649c2e853608cad0b0cba545555d168e67f094b3", "status": "affected", "version": "e6b585ca6e81badeb3d42db3cc408174f2826034", "versionType": "git"}, {"lessThan": "87272e3e70ec4b666885bd520ff77463c11444ef", "status": "affected", "version": "e6b585ca6e81badeb3d42db3cc408174f2826034", "versionType": "git"}, {"lessThan": "e5a732bfe29451e16abf9c6f07ce5948b22f3d59", "status": "affected", "version": "e6b585ca6e81badeb3d42db3cc408174f2826034", "versionType": "git"}, {"lessThan": "78812c4fb7ed242d5961bf1337a49070d6487c94", "status": "affected", "version": "e6b585ca6e81badeb3d42db3cc408174f2826034", "versionType": "git"}, {"lessThan": "666183dcdd9ad3b8156a1df7f204f728f720380f", "status": "affected", "version": "e6b585ca6e81badeb3d42db3cc408174f2826034", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/rapidio/rio-scan.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "4.6"}, {"lessThan": "4.6", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.252", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.202", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.165", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.128", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.75", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.16", "versionType": "semver"}, {"lessThanOrEqual": "6.19.*", "status": "unaffected", "version": "6.19.6", "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": "0DB3E8C4-EB57-44E8-940A-24E3B7666BE2", "versionEndExcluding": "5.10.252", "versionStartIncluding": "4.6", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "4002FC2B-1456-4666-B240-0EBF590C4671", "versionEndExcluding": "5.15.202", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "797C7F46-D0BE-4FB8-A502-C5EF8E6B6654", "versionEndExcluding": "6.1.165", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "851E9353-6C09-4CC9-877E-E09DB164A3C2", "versionEndExcluding": "6.6.128", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "BCE16369-98ED-41CF-8995-DFDC10B288D2", "versionEndExcluding": "6.12.75", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "B4B8CDA9-BADF-4CF5-8B3B-702DE8EEA40B", "versionEndExcluding": "6.18.16", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "373EEEDA-FAA1-4FB4-B6ED-DB4DD99DBE67", "versionEndExcluding": "6.19.6", "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\nrapidio: replace rio_free_net() with kfree() in rio_scan_alloc_net()\n\nWhen idtab allocation fails, net is not registered with rio_add_net() yet,\nso kfree(net) is sufficient to release the memory. Set mport->net to NULL\nto avoid dangling pointer."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nrapidio: reemplazar rio_free_net() con kfree() en rio_scan_alloc_net()\n\nCuando la asignaci\u00f3n de idtab falla, net a\u00fan no est\u00e1 registrado con rio_add_net(), por lo tanto, kfree(net) es suficiente para liberar la memoria. Establecer mport -> net en NULL para evitar un puntero colgante."}], "id": "CVE-2026-43295", "lastModified": "2026-11-11T20:10:00.273", "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": "2026-05-08T14:16:36.593", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/34a4f233df5eef5f1f113b2196142c0568b387f8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/649c2e853608cad0b0cba545555d168e67f094b3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/666183dcdd9ad3b8156a1df7f204f728f720380f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/78812c4fb7ed242d5961bf1337a49070d6487c94"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/83e579c2f7f6b1706323d744833b26470049dcc2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/87272e3e70ec4b666885bd520ff77463c11444ef"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e5a732bfe29451e16abf9c6f07ce5948b22f3d59"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fecf292c6691970897396190855aa38826b7104e"}], "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: rapidio: replace rio_free_net() with kfree() in rio_scan_alloc_net()", "id": "2468075", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2468075"}, "csaw": false, "cwe": "CWE-763", "details": ["A flaw was found in the Linux kernel's rapidio subsystem. When memory allocation for `idtab` fails within the `rio_scan_alloc_net()` function, the network object is not correctly freed, resulting in a dangling pointer. This improper memory management could lead to system instability or a denial of service."], "name": "CVE-2026-43295", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "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": "2026-05-08T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-43295\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-43295\nhttps://lore.kernel.org/linux-cve-announce/2026050854-CVE-2026-43295-f6c5@gregkh/T"]}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e6b585ca6e81badeb3d42db3cc408174f2826034,83e579c2f7f6b1706323d744833b26470049dcc2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e6b585ca6e81badeb3d42db3cc408174f2826034,649c2e853608cad0b0cba545555d168e67f094b3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e6b585ca6e81badeb3d42db3cc408174f2826034,fecf292c6691970897396190855aa38826b7104e)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e6b585ca6e81badeb3d42db3cc408174f2826034,87272e3e70ec4b666885bd520ff77463c11444ef)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e6b585ca6e81badeb3d42db3cc408174f2826034,e5a732bfe29451e16abf9c6f07ce5948b22f3d59)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e6b585ca6e81badeb3d42db3cc408174f2826034,78812c4fb7ed242d5961bf1337a49070d6487c94)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e6b585ca6e81badeb3d42db3cc408174f2826034,666183dcdd9ad3b8156a1df7f204f728f720380f)"}}], "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": "4.6"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,4.6)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.10.252,5.11.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.202,5.16.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.165,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.128,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.75,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.16,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.19.6,6.20.0)"}}, {"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": "2026-05-08T15:00:14.794467+00:00", "updated": "2026-05-14T23:00:13.255783+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}