{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-21800", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-12-29T08:45:45.770Z", "datePublished": "2025-02-27T20:00:54.884Z", "dateUpdated": "2026-05-11T21:06:44.750Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:06:44.750Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: HWS, fix definer's HWS_SET32 macro for negative offset\n\nWhen bit offset for HWS_SET32 macro is negative,\nUBSAN complains about the shift-out-of-bounds:\n\n UBSAN: shift-out-of-bounds in\n drivers/net/ethernet/mellanox/mlx5/core/steering/hws/definer.c:177:2\n shift exponent -8 is negative"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/mellanox/mlx5/core/steering/hws/definer.c"], "versions": [{"version": "74a778b4a63faef9ff02aad0d332b209835f93e1", "lessThan": "92cff996624c4757d5bbace3dfa3f1567ba94143", "status": "affected", "versionType": "git"}, {"version": "74a778b4a63faef9ff02aad0d332b209835f93e1", "lessThan": "69c676c0ded472713e6d1b3a456b3c4f52f66f0e", "status": "affected", "versionType": "git"}, {"version": "74a778b4a63faef9ff02aad0d332b209835f93e1", "lessThan": "be482f1d10da781db9445d2753c1e3f1fd82babf", "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/net/ethernet/mellanox/mlx5/core/steering/hws/definer.c"], "versions": [{"version": "6.12", "status": "affected"}, {"version": "0", "lessThan": "6.12", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.13", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.13.2", "lessThanOrEqual": "6.13.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.14", "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": "6.12.13"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "6.13.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "6.14"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/92cff996624c4757d5bbace3dfa3f1567ba94143"}, {"url": "https://git.kernel.org/stable/c/69c676c0ded472713e6d1b3a456b3c4f52f66f0e"}, {"url": "https://git.kernel.org/stable/c/be482f1d10da781db9445d2753c1e3f1fd82babf"}], "title": "net/mlx5: HWS, fix definer's HWS_SET32 macro for negative offset", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "8507AA00-C52F-4231-94AC-4D0374F5A9F5", "versionEndExcluding": "6.12.13", "versionStartIncluding": "6.12", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "6D4116B1-1BFD-4F23-BA84-169CC05FC5A3", "versionEndExcluding": "6.13.2", "versionStartIncluding": "6.13", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: HWS, fix definer's HWS_SET32 macro for negative offset\n\nWhen bit offset for HWS_SET32 macro is negative,\nUBSAN complains about the shift-out-of-bounds:\n\n UBSAN: shift-out-of-bounds in\n drivers/net/ethernet/mellanox/mlx5/core/steering/hws/definer.c:177:2\n shift exponent -8 is negative"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net/mlx5: HWS, corrige la macro HWS_SET32 del definidor para desplazamiento negativo Cuando el desplazamiento de bits para la macro HWS_SET32 es negativo, UBSAN se queja del desplazamiento fuera de los l\u00edmites: UBSAN: desplazamiento fuera de los l\u00edmites en drivers/net/ethernet/mellanox/mlx5/core/steering/hws/definer.c:177:2 el exponente de desplazamiento -8 es negativo"}], "id": "CVE-2025-21800", "lastModified": "2025-10-29T15:06:24.470", "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": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-02-27T20:16:02.660", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/69c676c0ded472713e6d1b3a456b3c4f52f66f0e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/92cff996624c4757d5bbace3dfa3f1567ba94143"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/be482f1d10da781db9445d2753c1e3f1fd82babf"}], "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: net/mlx5: HWS, fix definer's HWS_SET32 macro for negative offset", "id": "2348886", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2348886"}, "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"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet/mlx5: HWS, fix definer's HWS_SET32 macro for negative offset\nWhen bit offset for HWS_SET32 macro is negative,\nUBSAN complains about the shift-out-of-bounds:\nUBSAN: shift-out-of-bounds in\ndrivers/net/ethernet/mellanox/mlx5/core/steering/hws/definer.c:177:2\nshift exponent -8 is negative"], "name": "CVE-2025-21800", "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": "2025-02-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-21800\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-21800\nhttps://lore.kernel.org/linux-cve-announce/2025022752-CVE-2025-21800-d1e6@gregkh/T"], "threat_severity": "Moderate"}

{}