{"api_version":"1","generated_at":"2026-05-13T09:19:55+00:00","cve":"CVE-2026-31748","urls":{"html":"https://cve.report/CVE-2026-31748","api":"https://cve.report/api/cve/CVE-2026-31748.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-31748","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-31748"},"summary":{"title":"comedi: me_daq: Fix potential overrun of firmware buffer","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncomedi: me_daq: Fix potential overrun of firmware buffer\n\n`me2600_xilinx_download()` loads the firmware that was requested by\n`request_firmware()`.  It is possible for it to overrun the source\nbuffer because it blindly trusts the file format.  It reads a data\nstream length from the first 4 bytes into variable `file_length` and\nreads the data stream contents of length `file_length` from offset 16\nonwards.  Although it checks that the supplied firmware is at least 16\nbytes long, it does not check that it is long enough to contain the data\nstream.\n\nAdd a test to ensure that the supplied firmware is long enough to\ncontain the header and the data stream.  On failure, log an error and\nreturn `-EINVAL`.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-01 15:16:37","updated_at":"2026-05-07 19:24:39"},"problem_types":["CWE-787"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"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","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}}],"references":[{"url":"https://git.kernel.org/stable/c/2fc25a4c2e055cd42ea39a1b42c89bfef70e0319","name":"https://git.kernel.org/stable/c/2fc25a4c2e055cd42ea39a1b42c89bfef70e0319","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f3f8ec00cfb8d8e826e30b1138a56355b88e9ba8","name":"https://git.kernel.org/stable/c/f3f8ec00cfb8d8e826e30b1138a56355b88e9ba8","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c16ac4e173a05011437a2d868f70cc415339065a","name":"https://git.kernel.org/stable/c/c16ac4e173a05011437a2d868f70cc415339065a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1bf8761eb59e94bf7b8c17b2a1ee48f14378b172","name":"https://git.kernel.org/stable/c/1bf8761eb59e94bf7b8c17b2a1ee48f14378b172","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/9f39fa07259eb342908e4aa0271dee038a8ce4f8","name":"https://git.kernel.org/stable/c/9f39fa07259eb342908e4aa0271dee038a8ce4f8","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/cc797d4821c754c701d9714b58bea947e31dbbe0","name":"https://git.kernel.org/stable/c/cc797d4821c754c701d9714b58bea947e31dbbe0","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a47ae40339c1048f519df33ff8840731720f57cb","name":"https://git.kernel.org/stable/c/a47ae40339c1048f519df33ff8840731720f57cb","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c8c607a77aab783f2e38cc2e0f24aa6c8f6d200b","name":"https://git.kernel.org/stable/c/c8c607a77aab783f2e38cc2e0f24aa6c8f6d200b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-31748","name":"CVE 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