{"id":"CVE-2025-21848","title":"nfp: bpf: Add check for nfp_app_ctrl_msg_alloc()","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfp: bpf: Add check for nfp_app_ctrl_msg_alloc()\n\nAdd check for the return value of nfp_app_ctrl_msg_alloc() in\nnfp_bpf_cmsg_alloc() to prevent null pointer dereference.","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cvssSource":"adp","vendor":"Linux","product":"Linux","affected":["Linux >= ff3d43f7568c82b335d7df2d40a31447c3fce10c < d64c6ca420019712e194fe095b55f87363e22a9a","Linux >= ff3d43f7568c82b335d7df2d40a31447c3fce10c < e976ea6c5e1b005c64467cbf94a8577aae9c7d81","Linux >= ff3d43f7568c82b335d7df2d40a31447c3fce10c < 924b239f9704566e0d86abd894d2d64bd73c11eb","Linux >= ff3d43f7568c82b335d7df2d40a31447c3fce10c < 1358d8e07afdf21d49ca6f00c56048442977e00a","Linux >= ff3d43f7568c82b335d7df2d40a31447c3fce10c < 29ccb1e4040da6ff02b7e64efaa2f8e6bf06020d","Linux >= ff3d43f7568c82b335d7df2d40a31447c3fce10c < 897c32cd763fd11d0b6ed024c52f44d2475bb820","Linux >= ff3d43f7568c82b335d7df2d40a31447c3fce10c < bd97f60750bb581f07051f98e31dfda59d3a783b","Linux >= ff3d43f7568c82b335d7df2d40a31447c3fce10c < 878e7b11736e062514e58f3b445ff343e6705537","Linux 4.16"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2025-10-01T19:26:25.004433Z"},"published":"2025-03-12","updated":"2026-10-15","sourceUpdated":"2026-10-15T01:04:45.393Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-21848","references":[{"url":"https://git.kernel.org/stable/c/d64c6ca420019712e194fe095b55f87363e22a9a"},{"url":"https://git.kernel.org/stable/c/e976ea6c5e1b005c64467cbf94a8577aae9c7d81"},{"url":"https://git.kernel.org/stable/c/924b239f9704566e0d86abd894d2d64bd73c11eb"},{"url":"https://git.kernel.org/stable/c/1358d8e07afdf21d49ca6f00c56048442977e00a"},{"url":"https://git.kernel.org/stable/c/29ccb1e4040da6ff02b7e64efaa2f8e6bf06020d"},{"url":"https://git.kernel.org/stable/c/897c32cd763fd11d0b6ed024c52f44d2475bb820"},{"url":"https://git.kernel.org/stable/c/bd97f60750bb581f07051f98e31dfda59d3a783b"},{"url":"https://git.kernel.org/stable/c/878e7b11736e062514e58f3b445ff343e6705537"}],"tags":["cve.org"],"epss":0.00254,"epssPercentile":0.1685,"ingestedAt":"2026-10-15T05:52:46.107Z","slug":"CVE-2025-21848","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nnfp: bpf: Add check for nfp_app_ctrl_msg_alloc()\n\nAdd check for the return value of nfp_app_ctrl_msg_alloc() in\nnfp_bpf_cmsg_alloc() to prevent null pointer dereference.\n\n## Affected\n\n- `Linux >= ff3d43f7568c82b335d7df2d40a31447c3fce10c < d64c6ca420019712e194fe095b55f87363e22a9a`\n- `Linux >= ff3d43f7568c82b335d7df2d40a31447c3fce10c < e976ea6c5e1b005c64467cbf94a8577aae9c7d81`\n- `Linux >= ff3d43f7568c82b335d7df2d40a31447c3fce10c < 924b239f9704566e0d86abd894d2d64bd73c11eb`\n- `Linux >= ff3d43f7568c82b335d7df2d40a31447c3fce10c < 1358d8e07afdf21d49ca6f00c56048442977e00a`\n- `Linux >= ff3d43f7568c82b335d7df2d40a31447c3fce10c < 29ccb1e4040da6ff02b7e64efaa2f8e6bf06020d`\n- `Linux >= ff3d43f7568c82b335d7df2d40a31447c3fce10c < 897c32cd763fd11d0b6ed024c52f44d2475bb820`\n- `Linux >= ff3d43f7568c82b335d7df2d40a31447c3fce10c < bd97f60750bb581f07051f98e31dfda59d3a783b`\n- `Linux >= ff3d43f7568c82b335d7df2d40a31447c3fce10c < 878e7b11736e062514e58f3b445ff343e6705537`\n- `Linux 4.16`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}