{"id":"CVE-2026-43140","state":"PUBLISHED","title":"HID: magicmouse: Do not crash on missing msc->input","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nHID: magicmouse: Do not crash on missing msc->input\n\nFake USB devices can send their own report descriptors for which the\ninput_mapping() hook does not get called.  In this case, msc->input stays NULL,\nleading to a crash at a later time.\n\nDetect this condition in the input_configured() hook and reject the device.\n\nThis is not supposed to happen with actual magic mouse devices, but can be\nprovoked by imposing as a magic mouse USB device.","publishedAt":"2026-05-06T11:27:25.536Z","updatedAt":"2026-05-11T22:18:31.955Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"64eb105d7f92fa48798106ac0d8bf17668eb2524","status":"affected","lessThan":"db5ba06e7af9325519a03e52fccf4a9e7c1fd9b2","versionType":"git"},{"version":"64eb105d7f92fa48798106ac0d8bf17668eb2524","status":"affected","lessThan":"165912d4321c692321c02793068d30700b4e0f1a","versionType":"git"},{"version":"64eb105d7f92fa48798106ac0d8bf17668eb2524","status":"affected","lessThan":"f6a3860241fbb556fd72332fa31c5e787004413b","versionType":"git"},{"version":"64eb105d7f92fa48798106ac0d8bf17668eb2524","status":"affected","lessThan":"243e1165eb03aca97d87aafa9c3130593837a1c2","versionType":"git"},{"version":"64eb105d7f92fa48798106ac0d8bf17668eb2524","status":"affected","lessThan":"922bd3e498a4b8e445def6e6ffea2ad3682ad516","versionType":"git"},{"version":"64eb105d7f92fa48798106ac0d8bf17668eb2524","status":"affected","lessThan":"5bbe266272d86c0657e8253600f3d5b74fb7b2ae","versionType":"git"},{"version":"64eb105d7f92fa48798106ac0d8bf17668eb2524","status":"affected","lessThan":"36c83c1329dd881f290f7df2feadfb9a21775108","versionType":"git"},{"version":"64eb105d7f92fa48798106ac0d8bf17668eb2524","status":"affected","lessThan":"17abd396548035fbd6179ee1a431bd75d49676a7","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/hid/hid-magicmouse.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.37","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.37","versionType":"semver"},{"version":"5.10.252","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.202","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.165","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.128","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.75","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.16","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.6","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/hid/hid-magicmouse.c"]}],"references":["https://git.kernel.org/stable/c/db5ba06e7af9325519a03e52fccf4a9e7c1fd9b2","https://git.kernel.org/stable/c/165912d4321c692321c02793068d30700b4e0f1a","https://git.kernel.org/stable/c/f6a3860241fbb556fd72332fa31c5e787004413b","https://git.kernel.org/stable/c/243e1165eb03aca97d87aafa9c3130593837a1c2","https://git.kernel.org/stable/c/922bd3e498a4b8e445def6e6ffea2ad3682ad516","https://git.kernel.org/stable/c/5bbe266272d86c0657e8253600f3d5b74fb7b2ae","https://git.kernel.org/stable/c/36c83c1329dd881f290f7df2feadfb9a21775108","https://git.kernel.org/stable/c/17abd396548035fbd6179ee1a431bd75d49676a7"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/43xxx/CVE-2026-43140.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43140","state":"PUBLISHED","datePublished":"2026-05-06T11:27:25.536Z","dateUpdated":"2026-05-11T22:18:31.955Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-05-01T14:12:55.988Z"},"containers":{"cna":{"title":"HID: magicmouse: Do not crash on missing msc->input","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nHID: magicmouse: Do not crash on missing msc->input\n\nFake USB devices can send their own report descriptors for which the\ninput_mapping() hook does not get called.  In this case, msc->input stays NULL,\nleading to a crash at a later time.\n\nDetect this condition in the input_configured() hook and reject the device.\n\nThis is not supposed to happen with actual magic mouse devices, but can be\nprovoked by imposing as a magic mouse USB device."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"64eb105d7f92fa48798106ac0d8bf17668eb2524","status":"affected","lessThan":"db5ba06e7af9325519a03e52fccf4a9e7c1fd9b2","versionType":"git"},{"version":"64eb105d7f92fa48798106ac0d8bf17668eb2524","status":"affected","lessThan":"165912d4321c692321c02793068d30700b4e0f1a","versionType":"git"},{"version":"64eb105d7f92fa48798106ac0d8bf17668eb2524","status":"affected","lessThan":"f6a3860241fbb556fd72332fa31c5e787004413b","versionType":"git"},{"version":"64eb105d7f92fa48798106ac0d8bf17668eb2524","status":"affected","lessThan":"243e1165eb03aca97d87aafa9c3130593837a1c2","versionType":"git"},{"version":"64eb105d7f92fa48798106ac0d8bf17668eb2524","status":"affected","lessThan":"922bd3e498a4b8e445def6e6ffea2ad3682ad516","versionType":"git"},{"version":"64eb105d7f92fa48798106ac0d8bf17668eb2524","status":"affected","lessThan":"5bbe266272d86c0657e8253600f3d5b74fb7b2ae","versionType":"git"},{"version":"64eb105d7f92fa48798106ac0d8bf17668eb2524","status":"affected","lessThan":"36c83c1329dd881f290f7df2feadfb9a21775108","versionType":"git"},{"version":"64eb105d7f92fa48798106ac0d8bf17668eb2524","status":"affected","lessThan":"17abd396548035fbd6179ee1a431bd75d49676a7","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/hid/hid-magicmouse.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.37","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.37","versionType":"semver"},{"version":"5.10.252","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.202","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.165","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.128","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.75","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.16","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.6","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/hid/hid-magicmouse.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/db5ba06e7af9325519a03e52fccf4a9e7c1fd9b2"},{"url":"https://git.kernel.org/stable/c/165912d4321c692321c02793068d30700b4e0f1a"},{"url":"https://git.kernel.org/stable/c/f6a3860241fbb556fd72332fa31c5e787004413b"},{"url":"https://git.kernel.org/stable/c/243e1165eb03aca97d87aafa9c3130593837a1c2"},{"url":"https://git.kernel.org/stable/c/922bd3e498a4b8e445def6e6ffea2ad3682ad516"},{"url":"https://git.kernel.org/stable/c/5bbe266272d86c0657e8253600f3d5b74fb7b2ae"},{"url":"https://git.kernel.org/stable/c/36c83c1329dd881f290f7df2feadfb9a21775108"},{"url":"https://git.kernel.org/stable/c/17abd396548035fbd6179ee1a431bd75d49676a7"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T22:18:31.955Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.37","versionEndExcluding":"5.10.252"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.37","versionEndExcluding":"5.15.202"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.37","versionEndExcluding":"6.1.165"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.37","versionEndExcluding":"6.6.128"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.37","versionEndExcluding":"6.12.75"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.37","versionEndExcluding":"6.18.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.37","versionEndExcluding":"6.19.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.37","versionEndExcluding":"7.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}