{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-23280", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-01-13T15:37:45.992Z", "datePublished": "2026-03-25T10:26:41.088Z", "dateUpdated": "2026-04-02T14:44:11.895Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-04-02T14:44:11.895Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\naccel/amdxdna: Prevent ubuf size overflow\n\nThe ubuf size calculation may overflow, resulting in an undersized\nallocation and possible memory corruption.\n\nUse check_add_overflow() helpers to validate the size calculation before\nallocation."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH"}}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/accel/amdxdna/amdxdna_ubuf.c"], "versions": [{"version": "bd72d4acda1069579b35123e3cc0b21ec1193a21", "lessThan": "1500b31db94374a6669e73ce94d6f71cf8e85e06", "status": "affected", "versionType": "git"}, {"version": "bd72d4acda1069579b35123e3cc0b21ec1193a21", "lessThan": "972bf4a23478fcb247b4f507d47a584bc8aea5bd", "status": "affected", "versionType": "git"}, {"version": "bd72d4acda1069579b35123e3cc0b21ec1193a21", "lessThan": "03808abb1d868aed7478a11a82e5bb4b3f1ca6d6", "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/accel/amdxdna/amdxdna_ubuf.c"], "versions": [{"version": "6.18", "status": "affected"}, {"version": "0", "lessThan": "6.18", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.17", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.7", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0-rc2", "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": "6.18", "versionEndExcluding": "6.18.17"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "6.19.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "7.0-rc2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/1500b31db94374a6669e73ce94d6f71cf8e85e06"}, {"url": "https://git.kernel.org/stable/c/972bf4a23478fcb247b4f507d47a584bc8aea5bd"}, {"url": "https://git.kernel.org/stable/c/03808abb1d868aed7478a11a82e5bb4b3f1ca6d6"}], "title": "accel/amdxdna: Prevent ubuf size overflow", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\naccel/amdxdna: Prevent ubuf size overflow\n\nThe ubuf size calculation may overflow, resulting in an undersized\nallocation and possible memory corruption.\n\nUse check_add_overflow() helpers to validate the size calculation before\nallocation."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\naccel/amdxdna: Prevenir desbordamiento del tama\u00f1o de ubuf\n\nEl c\u00e1lculo del tama\u00f1o de ubuf puede desbordarse, resultando en una asignaci\u00f3n de tama\u00f1o insuficiente y posible corrupci\u00f3n de memoria.\n\nUsar ayudantes check_add_overflow() para validar el c\u00e1lculo del tama\u00f1o antes de la asignaci\u00f3n."}], "id": "CVE-2026-23280", "lastModified": "2026-04-02T15:16:30.177", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}]}, "published": "2026-03-25T11:16:22.523", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/03808abb1d868aed7478a11a82e5bb4b3f1ca6d6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1500b31db94374a6669e73ce94d6f71cf8e85e06"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/972bf4a23478fcb247b4f507d47a584bc8aea5bd"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: accel/amdxdna: Prevent ubuf size overflow", "id": "2451197", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2451197"}, "csaw": false, "cwe": "CWE-190", "details": ["A flaw was found in the Linux kernel's accel/amdxdna component. The calculation for the ubuf size may overflow, leading to an undersized memory allocation. This can result in memory corruption, potentially allowing an attacker to cause a denial of service or execute arbitrary code."], "name": "CVE-2026-23280", "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": "2026-03-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-23280\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-23280\nhttps://lore.kernel.org/linux-cve-announce/2026032523-CVE-2026-23280-cd9e@gregkh/T"]}