CVE-2026-72273

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-72273", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-09T03:40:39.916Z", "datePublished": "2026-08-15T05:54:56.440Z", "dateUpdated": "2026-08-17T05:11:33.384Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T05:11:33.384Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfbdev: efifb: fix memory leak in efifb_probe()\n\nSince commit 73ce73c30ba9 (\"fbdev: Transfer video= option strings to\ncaller; clarify ownership\") the string returned from fb_get_options()\nis expected to be freed by the caller, but the string is not freed in\nefifb_probe(). Fix that by freeing the option string after setup."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/video/fbdev/efifb.c"], "versions": [{"version": "73ce73c30ba9ae4d90fdfad7ebe9104001d5d851", "lessThan": "fafb2e08741b20027cee77918816de29a32d6fd6", "status": "affected", "versionType": "git"}, {"version": "73ce73c30ba9ae4d90fdfad7ebe9104001d5d851", "lessThan": "475383daf5f855f5b2c3a9aa801f69b69a81799e", "status": "affected", "versionType": "git"}, {"version": "73ce73c30ba9ae4d90fdfad7ebe9104001d5d851", "lessThan": "febb5b4f67ace78d6b6862cc3c853b64710afb6c", "status": "affected", "versionType": "git"}, {"version": "73ce73c30ba9ae4d90fdfad7ebe9104001d5d851", "lessThan": "5276e3f75ddb51f980a8903f4b39e73cf42415e5", "status": "affected", "versionType": "git"}, {"version": "73ce73c30ba9ae4d90fdfad7ebe9104001d5d851", "lessThan": "9b6eaf101656958397a6012bf43f6e2e42c9e5cb", "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/video/fbdev/efifb.c"], "versions": [{"version": "6.4", "status": "affected"}, {"version": "0", "lessThan": "6.4", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.148", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.97", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.40", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "6.4", "versionEndExcluding": "6.6.148"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "6.12.97"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "6.18.40"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/fafb2e08741b20027cee77918816de29a32d6fd6"}, {"url": "https://git.kernel.org/stable/c/475383daf5f855f5b2c3a9aa801f69b69a81799e"}, {"url": "https://git.kernel.org/stable/c/febb5b4f67ace78d6b6862cc3c853b64710afb6c"}, {"url": "https://git.kernel.org/stable/c/5276e3f75ddb51f980a8903f4b39e73cf42415e5"}, {"url": "https://git.kernel.org/stable/c/9b6eaf101656958397a6012bf43f6e2e42c9e5cb"}], "title": "fbdev: efifb: fix memory leak in efifb_probe()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/video/fbdev/efifb.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "fafb2e08741b20027cee77918816de29a32d6fd6", "status": "affected", "version": "73ce73c30ba9ae4d90fdfad7ebe9104001d5d851", "versionType": "git"}, {"lessThan": "475383daf5f855f5b2c3a9aa801f69b69a81799e", "status": "affected", "version": "73ce73c30ba9ae4d90fdfad7ebe9104001d5d851", "versionType": "git"}, {"lessThan": "febb5b4f67ace78d6b6862cc3c853b64710afb6c", "status": "affected", "version": "73ce73c30ba9ae4d90fdfad7ebe9104001d5d851", "versionType": "git"}, {"lessThan": "5276e3f75ddb51f980a8903f4b39e73cf42415e5", "status": "affected", "version": "73ce73c30ba9ae4d90fdfad7ebe9104001d5d851", "versionType": "git"}, {"lessThan": "9b6eaf101656958397a6012bf43f6e2e42c9e5cb", "status": "affected", "version": "73ce73c30ba9ae4d90fdfad7ebe9104001d5d851", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/video/fbdev/efifb.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.4"}, {"lessThan": "6.4", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.148", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.97", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.40", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "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\nfbdev: efifb: fix memory leak in efifb_probe()\n\nSince commit 73ce73c30ba9 (\"fbdev: Transfer video= option strings to\ncaller; clarify ownership\") the string returned from fb_get_options()\nis expected to be freed by the caller, but the string is not freed in\nefifb_probe(). Fix that by freeing the option string after setup."}], "id": "CVE-2026-72273", "lastModified": "2026-08-17T06:18:29.833", "metrics": {}, "published": "2026-08-15T06:21:56.887", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/475383daf5f855f5b2c3a9aa801f69b69a81799e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5276e3f75ddb51f980a8903f4b39e73cf42415e5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9b6eaf101656958397a6012bf43f6e2e42c9e5cb"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fafb2e08741b20027cee77918816de29a32d6fd6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/febb5b4f67ace78d6b6862cc3c853b64710afb6c"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: fbdev: efifb: fix memory leak in efifb_probe()", "id": "2516690", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516690"}, "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-772", "details": ["A flaw was found in the Linux kernel's `efifb` framebuffer driver. A memory leak occurs in the `efifb_probe()` function because a string returned from `fb_get_options()` is not properly freed after use. This can lead to a gradual consumption of system memory, potentially impacting system stability and performance over time."], "name": "CVE-2026-72273", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-08-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-72273\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-72273\nhttps://lore.kernel.org/linux-cve-announce/2026081557-CVE-2026-72273-0ed0@gregkh/T"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[73ce73c30ba9ae4d90fdfad7ebe9104001d5d851,fafb2e08741b20027cee77918816de29a32d6fd6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[73ce73c30ba9ae4d90fdfad7ebe9104001d5d851,475383daf5f855f5b2c3a9aa801f69b69a81799e)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[73ce73c30ba9ae4d90fdfad7ebe9104001d5d851,febb5b4f67ace78d6b6862cc3c853b64710afb6c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[73ce73c30ba9ae4d90fdfad7ebe9104001d5d851,5276e3f75ddb51f980a8903f4b39e73cf42415e5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[73ce73c30ba9ae4d90fdfad7ebe9104001d5d851,9b6eaf101656958397a6012bf43f6e2e42c9e5cb)"}}], "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": "6.4"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.4)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.148,6.7.0]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.97,6.13.0]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.40,6.19.0]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.5,7.2.0]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2-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": "2026-08-15T10:45:06.980049+00:00", "updated": "2026-08-22T07:15:04.122397+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-401", "CWE-772"]}