{"api_version":"1","generated_at":"2026-05-30T05:49:28+00:00","cve":"CVE-2026-31646","urls":{"html":"https://cve.report/CVE-2026-31646","api":"https://cve.report/api/cve/CVE-2026-31646.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-31646","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-31646"},"summary":{"title":"net: lan966x: fix page_pool error handling in lan966x_fdma_rx_alloc_page_pool()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: lan966x: fix page_pool error handling in lan966x_fdma_rx_alloc_page_pool()\n\npage_pool_create() can return an ERR_PTR on failure. 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the Linux kernel, the following vulnerability has been resolved:\n\nnet: lan966x: fix page_pool error handling in lan966x_fdma_rx_alloc_page_pool()\n\npage_pool_create() can return an ERR_PTR on failure. The return value\nis used unconditionally in the loop that follows, passing the error\npointer through xdp_rxq_info_reg_mem_model() into page_pool_use_xdp_mem(),\nwhich dereferences it, causing a kernel oops.\n\nAdd an IS_ERR check after page_pool_create() to return early on failure."}],"providerMetadata":{"dateUpdated":"2026-04-24T14:44:59.874Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/e63265f188ea39dcf5f546770650027528f3bd0f"},{"url":"https://git.kernel.org/stable/c/305832c53551cfbe6e5b81ca7ee765e60f4fe8e9"},{"url":"https://git.kernel.org/stable/c/b5dcb41ba891b55157006cac79825c78a32b409e"},{"url":"https://git.kernel.org/stable/c/7caf90d9ab97951a58d1de85ab7e7d7cca7a4513"},{"url":"https://git.kernel.org/stable/c/3fd0da4fd8851a7e62d009b7db6c4a05b092bc19"}],"title":"net: lan966x: fix page_pool error handling in lan966x_fdma_rx_alloc_page_pool()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-31646","datePublished":"2026-04-24T14:44:59.874Z","dateReserved":"2026-03-09T15:48:24.127Z","dateUpdated":"2026-04-24T14:44:59.874Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-04-24 15:16:43","lastModifiedDate":"2026-04-27 20:19:01","problem_types":["CWE-476"],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2.1","versionEndExcluding":"6.6.135","matchCriteriaId":"D6A8AD2A-FCEB-42B6-8B79-66822D8E7C37"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.12.82","matchCriteriaId":"02904CAE-71D2-45B3-9EC3-F6A9D18B6307"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.18.23","matchCriteriaId":"E9E09FDD-9EE3-4A56-92E2-2B30AFD0072F"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19","versionEndExcluding":"6.19.13","matchCriteriaId":"1490EF9B-9080-481C-8D22-1306AAE664E4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.2:-:*:*:*:*:*:*","matchCriteriaId":"3ADCCCEE-143A-4B48-9B2A-0CB97BD385DE"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*","matchCriteriaId":"F253B622-8837-4245-BCE5-A7BF8FC76A16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*","matchCriteriaId":"4AE85AD8-4641-4E7C-A2F4-305E2CD9EE64"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*","matchCriteriaId":"F666C8D8-6538-46D4-B318-87610DE64C34"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc4:*:*:*:*:*:*","matchCriteriaId":"02259FDA-961B-47BC-AE7F-93D7EC6E90C2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc5:*:*:*:*:*:*","matchCriteriaId":"58A9FEFF-C040-420D-8F0A-BFDAAA1DF258"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc6:*:*:*:*:*:*","matchCriteriaId":"1D2315C0-D46F-4F85-9754-F9E5E11374A6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc7:*:*:*:*:*:*","matchCriteriaId":"512EE3A8-A590-4501-9A94-5D4B268D6138"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"31646","Ordinal":"1","Title":"net: lan966x: fix page_pool error handling in lan966x_fdma_rx_al","CVE":"CVE-2026-31646","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"31646","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: lan966x: fix page_pool error handling in lan966x_fdma_rx_alloc_page_pool()\n\npage_pool_create() can return an ERR_PTR on failure. The return value\nis used unconditionally in the loop that follows, passing the error\npointer through xdp_rxq_info_reg_mem_model() into page_pool_use_xdp_mem(),\nwhich dereferences it, causing a kernel oops.\n\nAdd an IS_ERR check after page_pool_create() to return early on failure.","Type":"Description","Title":"net: lan966x: fix page_pool error handling in lan966x_fdma_rx_al"}]}}}