{"id":"CVE-2025-68249","state":"PUBLISHED","title":"most: usb: hdm_probe: Fix calling put_device() before device initialization","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmost: usb: hdm_probe: Fix calling put_device() before device initialization\n\nThe early error path in hdm_probe() can jump to err_free_mdev before\n&mdev->dev has been initialized with device_initialize(). Calling\nput_device(&mdev->dev) there triggers a device core WARN and ends up\ninvoking kref_put(&kobj->kref, kobject_release) on an uninitialized\nkobject.\n\nIn this path the private struct was only kmalloc'ed and the intended\nrelease is effectively kfree(mdev) anyway, so free it directly instead\nof calling put_device() on an uninitialized device.\n\nThis removes the WARNING and fixes the pre-initialization error path.","publishedAt":"2025-12-16T14:32:16.370Z","updatedAt":"2026-05-11T21:49:43.047Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"97a6f772f36b7f52bcfa56a581bbd2470cffe23d","status":"affected","lessThan":"3509c748e79435d09e730673c8c100b7f0ebc87c","versionType":"git"},{"version":"97a6f772f36b7f52bcfa56a581bbd2470cffe23d","status":"affected","lessThan":"ad2be44882716dc3589fbc5572cc13f88ead6b24","versionType":"git"},{"version":"97a6f772f36b7f52bcfa56a581bbd2470cffe23d","status":"affected","lessThan":"c400410fe0580dd6118ae8d60287ac9ce71a65fd","versionType":"git"},{"version":"97a6f772f36b7f52bcfa56a581bbd2470cffe23d","status":"affected","lessThan":"6fb8fbc0aa542af5bf0fed94fa6b0edf18144f95","versionType":"git"},{"version":"97a6f772f36b7f52bcfa56a581bbd2470cffe23d","status":"affected","lessThan":"7d851f746067b8ee5bac9c262f326ace0a6ea253","versionType":"git"},{"version":"97a6f772f36b7f52bcfa56a581bbd2470cffe23d","status":"affected","lessThan":"4af0eedbdb4df7936bf43a28e31af232744d2620","versionType":"git"},{"version":"97a6f772f36b7f52bcfa56a581bbd2470cffe23d","status":"affected","lessThan":"a8cc9e5fcb0e2eef21513a4fec888f5712cb8162","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/most/most_usb.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.9","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.9","versionType":"semver"},{"version":"5.10.246","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.196","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.158","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.115","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.56","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.17.6","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/most/most_usb.c"]}],"references":["https://git.kernel.org/stable/c/3509c748e79435d09e730673c8c100b7f0ebc87c","https://git.kernel.org/stable/c/ad2be44882716dc3589fbc5572cc13f88ead6b24","https://git.kernel.org/stable/c/c400410fe0580dd6118ae8d60287ac9ce71a65fd","https://git.kernel.org/stable/c/6fb8fbc0aa542af5bf0fed94fa6b0edf18144f95","https://git.kernel.org/stable/c/7d851f746067b8ee5bac9c262f326ace0a6ea253","https://git.kernel.org/stable/c/4af0eedbdb4df7936bf43a28e31af232744d2620","https://git.kernel.org/stable/c/a8cc9e5fcb0e2eef21513a4fec888f5712cb8162"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:56.034Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/68xxx/CVE-2025-68249.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-68249","state":"PUBLISHED","datePublished":"2025-12-16T14:32:16.370Z","dateUpdated":"2026-05-11T21:49:43.047Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-16T13:41:40.266Z"},"containers":{"cna":{"title":"most: usb: hdm_probe: Fix calling put_device() before device initialization","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmost: usb: hdm_probe: Fix calling put_device() before device initialization\n\nThe early error path in hdm_probe() can jump to err_free_mdev before\n&mdev->dev has been initialized with device_initialize(). Calling\nput_device(&mdev->dev) there triggers a device core WARN and ends up\ninvoking kref_put(&kobj->kref, kobject_release) on an uninitialized\nkobject.\n\nIn this path the private struct was only kmalloc'ed and the intended\nrelease is effectively kfree(mdev) anyway, so free it directly instead\nof calling put_device() on an uninitialized device.\n\nThis removes the WARNING and fixes the pre-initialization error path."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"97a6f772f36b7f52bcfa56a581bbd2470cffe23d","status":"affected","lessThan":"3509c748e79435d09e730673c8c100b7f0ebc87c","versionType":"git"},{"version":"97a6f772f36b7f52bcfa56a581bbd2470cffe23d","status":"affected","lessThan":"ad2be44882716dc3589fbc5572cc13f88ead6b24","versionType":"git"},{"version":"97a6f772f36b7f52bcfa56a581bbd2470cffe23d","status":"affected","lessThan":"c400410fe0580dd6118ae8d60287ac9ce71a65fd","versionType":"git"},{"version":"97a6f772f36b7f52bcfa56a581bbd2470cffe23d","status":"affected","lessThan":"6fb8fbc0aa542af5bf0fed94fa6b0edf18144f95","versionType":"git"},{"version":"97a6f772f36b7f52bcfa56a581bbd2470cffe23d","status":"affected","lessThan":"7d851f746067b8ee5bac9c262f326ace0a6ea253","versionType":"git"},{"version":"97a6f772f36b7f52bcfa56a581bbd2470cffe23d","status":"affected","lessThan":"4af0eedbdb4df7936bf43a28e31af232744d2620","versionType":"git"},{"version":"97a6f772f36b7f52bcfa56a581bbd2470cffe23d","status":"affected","lessThan":"a8cc9e5fcb0e2eef21513a4fec888f5712cb8162","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/most/most_usb.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.9","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.9","versionType":"semver"},{"version":"5.10.246","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.196","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.158","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.115","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.56","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.17.6","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/most/most_usb.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/3509c748e79435d09e730673c8c100b7f0ebc87c"},{"url":"https://git.kernel.org/stable/c/ad2be44882716dc3589fbc5572cc13f88ead6b24"},{"url":"https://git.kernel.org/stable/c/c400410fe0580dd6118ae8d60287ac9ce71a65fd"},{"url":"https://git.kernel.org/stable/c/6fb8fbc0aa542af5bf0fed94fa6b0edf18144f95"},{"url":"https://git.kernel.org/stable/c/7d851f746067b8ee5bac9c262f326ace0a6ea253"},{"url":"https://git.kernel.org/stable/c/4af0eedbdb4df7936bf43a28e31af232744d2620"},{"url":"https://git.kernel.org/stable/c/a8cc9e5fcb0e2eef21513a4fec888f5712cb8162"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:49:43.047Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","versionEndExcluding":"5.10.246"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","versionEndExcluding":"5.15.196"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","versionEndExcluding":"6.1.158"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","versionEndExcluding":"6.6.115"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","versionEndExcluding":"6.12.56"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","versionEndExcluding":"6.17.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","versionEndExcluding":"6.18"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}