{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-31522","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-03-09T15:48:24.110Z","datePublished":"2026-04-22T13:54:36.885Z","dateUpdated":"2026-05-11T22:10:25.458Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T22:10:25.458Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nHID: magicmouse: avoid memory leak in magicmouse_report_fixup()\n\nThe magicmouse_report_fixup() function was returning a\nnewly kmemdup()-allocated buffer, but never freeing it.\n\nThe caller of report_fixup() does not take ownership of the returned\npointer, but it *is* permitted to return a sub-portion of the input\nrdesc, whose lifetime is managed by the caller."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/hid/hid-magicmouse.c"],"versions":[{"version":"e6ad399596bd234be4722022146e33e15c7e424d","lessThan":"579c4c9857acdc8380fa99803f355f878bd766cb","status":"affected","versionType":"git"},{"version":"0b91b4e4dae63cd43871fc2012370b86ee588f91","lessThan":"d84c21aabaab517b9aaf9bc1d785922cb9db2f31","status":"affected","versionType":"git"},{"version":"0b91b4e4dae63cd43871fc2012370b86ee588f91","lessThan":"7edfe4346b052b708645d0acc0f186425766b785","status":"affected","versionType":"git"},{"version":"0b91b4e4dae63cd43871fc2012370b86ee588f91","lessThan":"79e5dcc95d9abed6f8203cfd529f4ec71f0e505d","status":"affected","versionType":"git"},{"version":"0b91b4e4dae63cd43871fc2012370b86ee588f91","lessThan":"136f605e246b4bfe7ac2259471d1ff814aed0084","status":"affected","versionType":"git"},{"version":"0b91b4e4dae63cd43871fc2012370b86ee588f91","lessThan":"fa95b0146358b49f9858139b67314591fd5871b0","status":"affected","versionType":"git"},{"version":"0b91b4e4dae63cd43871fc2012370b86ee588f91","lessThan":"91e8c6e601bdc1ccdf886479b6513c01c7e51c2c","status":"affected","versionType":"git"},{"version":"c394bd1bc8537e61593b6b6799e01495c7cf9008","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/hid/hid-magicmouse.c"],"versions":[{"version":"5.17","status":"affected"},{"version":"0","lessThan":"5.17","status":"unaffected","versionType":"semver"},{"version":"5.15.203","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.168","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.131","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.80","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.21","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19.11","lessThanOrEqual":"6.19.*","status":"unaffected","versionType":"semver"},{"version":"7.0","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15.17","versionEndExcluding":"5.15.203"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"6.1.168"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"6.6.131"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"6.12.80"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"6.18.21"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"6.19.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"7.0"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16.3"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/579c4c9857acdc8380fa99803f355f878bd766cb"},{"url":"https://git.kernel.org/stable/c/d84c21aabaab517b9aaf9bc1d785922cb9db2f31"},{"url":"https://git.kernel.org/stable/c/7edfe4346b052b708645d0acc0f186425766b785"},{"url":"https://git.kernel.org/stable/c/79e5dcc95d9abed6f8203cfd529f4ec71f0e505d"},{"url":"https://git.kernel.org/stable/c/136f605e246b4bfe7ac2259471d1ff814aed0084"},{"url":"https://git.kernel.org/stable/c/fa95b0146358b49f9858139b67314591fd5871b0"},{"url":"https://git.kernel.org/stable/c/91e8c6e601bdc1ccdf886479b6513c01c7e51c2c"}],"title":"HID: magicmouse: avoid memory leak in magicmouse_report_fixup()","x_generator":{"engine":"bippy-1.2.0"}}}}