CVE-2026-93215

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-93215", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-17T16:02:15.093Z", "datePublished": "2026-09-24T15:10:37.863Z", "dateUpdated": "2026-10-19T09:07:27.148Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:07:27.148Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncdx: Fix double free when sysfs file creation fails\n\nIn cdx_create_res_attr(), if sysfs_create_bin_file() fails, the code\nfrees res_attr but doesn't set cdx_dev->res_attr[num] to NULL. This\nleaves a dangling pointer in the array. Then cdx_destroy_res_attr()\nfrees the already-freed memory. Fix the double free by initializing\ncdx_dev->res_attr[num] after sysfs_create_bin_file() completes."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/cdx/cdx.c"], "versions": [{"version": "aeda33ab8160c7a2e24ba4f44492ad1e974ddc7d", "lessThan": "88f4cd42a04bdadd189d7f667a4c279f4e962ca6", "status": "affected", "versionType": "git"}, {"version": "aeda33ab8160c7a2e24ba4f44492ad1e974ddc7d", "lessThan": "4cd24873ab9fdbd730604881a6e8087bc7b99336", "status": "affected", "versionType": "git"}, {"version": "aeda33ab8160c7a2e24ba4f44492ad1e974ddc7d", "lessThan": "7e9451bf0bdba6daee1eaf4e7566612af6ca1c32", "status": "affected", "versionType": "git"}, {"version": "aeda33ab8160c7a2e24ba4f44492ad1e974ddc7d", "lessThan": "6f4acc3a3c300e174e3f586b97b04ed8f5948c36", "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/cdx/cdx.c"], "versions": [{"version": "6.8", "status": "affected"}, {"version": "0", "lessThan": "6.8", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.109", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.50", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.4", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "6.8", "versionEndExcluding": "6.12.109"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8", "versionEndExcluding": "6.18.50"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8", "versionEndExcluding": "7.2.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/88f4cd42a04bdadd189d7f667a4c279f4e962ca6"}, {"url": "https://git.kernel.org/stable/c/4cd24873ab9fdbd730604881a6e8087bc7b99336"}, {"url": "https://git.kernel.org/stable/c/7e9451bf0bdba6daee1eaf4e7566612af6ca1c32"}, {"url": "https://git.kernel.org/stable/c/6f4acc3a3c300e174e3f586b97b04ed8f5948c36"}], "title": "cdx: Fix double free when sysfs file creation fails", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/cdx/cdx.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "88f4cd42a04bdadd189d7f667a4c279f4e962ca6", "status": "affected", "version": "aeda33ab8160c7a2e24ba4f44492ad1e974ddc7d", "versionType": "git"}, {"lessThan": "4cd24873ab9fdbd730604881a6e8087bc7b99336", "status": "affected", "version": "aeda33ab8160c7a2e24ba4f44492ad1e974ddc7d", "versionType": "git"}, {"lessThan": "7e9451bf0bdba6daee1eaf4e7566612af6ca1c32", "status": "affected", "version": "aeda33ab8160c7a2e24ba4f44492ad1e974ddc7d", "versionType": "git"}, {"lessThan": "6f4acc3a3c300e174e3f586b97b04ed8f5948c36", "status": "affected", "version": "aeda33ab8160c7a2e24ba4f44492ad1e974ddc7d", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/cdx/cdx.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.8"}, {"lessThan": "6.8", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.109", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.50", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncdx: Fix double free when sysfs file creation fails\n\nIn cdx_create_res_attr(), if sysfs_create_bin_file() fails, the code\nfrees res_attr but doesn't set cdx_dev->res_attr[num] to NULL. This\nleaves a dangling pointer in the array. Then cdx_destroy_res_attr()\nfrees the already-freed memory. Fix the double free by initializing\ncdx_dev->res_attr[num] after sysfs_create_bin_file() completes."}], "id": "CVE-2026-93215", "lastModified": "2026-10-19T10:17:12.440", "metrics": {}, "published": "2026-09-24T16:17:16.550", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4cd24873ab9fdbd730604881a6e8087bc7b99336"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6f4acc3a3c300e174e3f586b97b04ed8f5948c36"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7e9451bf0bdba6daee1eaf4e7566612af6ca1c32"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/88f4cd42a04bdadd189d7f667a4c279f4e962ca6"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[aeda33ab8160c7a2e24ba4f44492ad1e974ddc7d,88f4cd42a04bdadd189d7f667a4c279f4e962ca6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[aeda33ab8160c7a2e24ba4f44492ad1e974ddc7d,4cd24873ab9fdbd730604881a6e8087bc7b99336)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[aeda33ab8160c7a2e24ba4f44492ad1e974ddc7d,7e9451bf0bdba6daee1eaf4e7566612af6ca1c32)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[aeda33ab8160c7a2e24ba4f44492ad1e974ddc7d,6f4acc3a3c300e174e3f586b97b04ed8f5948c36)"}}], "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": "6.8"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.8)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.109,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.50,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.4,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.3-rc1,*]"}}], "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": "2026-09-25T04:45:15.898338+00:00", "updated": "2026-09-26T01:15:08.260158+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-416"]}