{"id":"CVE-2025-40221","state":"PUBLISHED","title":"media: pci: mg4b: fix uninitialized iio scan data","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: pci: mg4b: fix uninitialized iio scan data\n\nFix potential leak of uninitialized stack data to userspace by ensuring\nthat the `scan` structure is zeroed before use.","publishedAt":"2025-12-04T14:50:45.439Z","updatedAt":"2026-05-11T21:45:07.864Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0ab13674a9bd10514486cf1670d71dbd8afec421","status":"affected","lessThan":"b7f82da7f86479cb6479a76ebe213ece7c77398f","versionType":"git"},{"version":"0ab13674a9bd10514486cf1670d71dbd8afec421","status":"affected","lessThan":"b792eba44494b4e6ab5006013335f9819f303b8b","versionType":"git"},{"version":"0ab13674a9bd10514486cf1670d71dbd8afec421","status":"affected","lessThan":"c0d3f6969bb4d72476cfe7ea9263831f1c283704","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/pci/mgb4/mgb4_trigger.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.7","versionType":"semver"},{"version":"6.12.54","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.17.4","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/pci/mgb4/mgb4_trigger.c"]}],"references":["https://git.kernel.org/stable/c/b7f82da7f86479cb6479a76ebe213ece7c77398f","https://git.kernel.org/stable/c/b792eba44494b4e6ab5006013335f9819f303b8b","https://git.kernel.org/stable/c/c0d3f6969bb4d72476cfe7ea9263831f1c283704"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/40xxx/CVE-2025-40221.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-40221","state":"PUBLISHED","datePublished":"2025-12-04T14:50:45.439Z","dateUpdated":"2026-05-11T21:45:07.864Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T07:20:57.180Z"},"containers":{"cna":{"title":"media: pci: mg4b: fix uninitialized iio scan data","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: pci: mg4b: fix uninitialized iio scan data\n\nFix potential leak of uninitialized stack data to userspace by ensuring\nthat the `scan` structure is zeroed before use."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0ab13674a9bd10514486cf1670d71dbd8afec421","status":"affected","lessThan":"b7f82da7f86479cb6479a76ebe213ece7c77398f","versionType":"git"},{"version":"0ab13674a9bd10514486cf1670d71dbd8afec421","status":"affected","lessThan":"b792eba44494b4e6ab5006013335f9819f303b8b","versionType":"git"},{"version":"0ab13674a9bd10514486cf1670d71dbd8afec421","status":"affected","lessThan":"c0d3f6969bb4d72476cfe7ea9263831f1c283704","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/pci/mgb4/mgb4_trigger.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.7","versionType":"semver"},{"version":"6.12.54","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.17.4","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/pci/mgb4/mgb4_trigger.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/b7f82da7f86479cb6479a76ebe213ece7c77398f"},{"url":"https://git.kernel.org/stable/c/b792eba44494b4e6ab5006013335f9819f303b8b"},{"url":"https://git.kernel.org/stable/c/c0d3f6969bb4d72476cfe7ea9263831f1c283704"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:45:07.864Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.12.54"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.17.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.18"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}