{"affected":[{"defaultStatus":"unaffected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"lessThan":"579c4c9857acdc8380fa99803f355f878bd766cb","status":"affected","version":"e6ad399596bd234be4722022146e33e15c7e424d","versionType":"git"},{"lessThan":"d84c21aabaab517b9aaf9bc1d785922cb9db2f31","status":"affected","version":"0b91b4e4dae63cd43871fc2012370b86ee588f91","versionType":"git"},{"lessThan":"7edfe4346b052b708645d0acc0f186425766b785","status":"affected","version":"0b91b4e4dae63cd43871fc2012370b86ee588f91","versionType":"git"},{"lessThan":"79e5dcc95d9abed6f8203cfd529f4ec71f0e505d","status":"affected","version":"0b91b4e4dae63cd43871fc2012370b86ee588f91","versionType":"git"},{"lessThan":"136f605e246b4bfe7ac2259471d1ff814aed0084","status":"affected","version":"0b91b4e4dae63cd43871fc2012370b86ee588f91","versionType":"git"},{"lessThan":"fa95b0146358b49f9858139b67314591fd5871b0","status":"affected","version":"0b91b4e4dae63cd43871fc2012370b86ee588f91","versionType":"git"},{"lessThan":"91e8c6e601bdc1ccdf886479b6513c01c7e51c2c","status":"affected","version":"0b91b4e4dae63cd43871fc2012370b86ee588f91","versionType":"git"},{"status":"affected","version":"c394bd1bc8537e61593b6b6799e01495c7cf9008","versionType":"git"},{"lessThan":"5.15.203","status":"affected","version":"5.15.17","versionType":"semver"},{"lessThan":"5.17","status":"affected","version":"5.16.3","versionType":"semver"}]},{"defaultStatus":"affected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"status":"affected","version":"5.17"},{"lessThan":"5.17","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.203","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.168","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.131","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.80","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.21","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.11","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}],"cveId":"CVE-2026-31522","cwes":[],"description":"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.","epss":{"date":"2026-11-05","percentile":0.02042,"score":0.00123},"exploits":[],"kev":null,"metrics":[],"modifiedAt":1793915105687,"publishedAt":1776866076885,"references":[{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/579c4c9857acdc8380fa99803f355f878bd766cb"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/d84c21aabaab517b9aaf9bc1d785922cb9db2f31"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/7edfe4346b052b708645d0acc0f186425766b785"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/79e5dcc95d9abed6f8203cfd529f4ec71f0e505d"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/136f605e246b4bfe7ac2259471d1ff814aed0084"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/fa95b0146358b49f9858139b67314591fd5871b0"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/91e8c6e601bdc1ccdf886479b6513c01c7e51c2c"}],"remediation":[],"revision":"1f4a5271a6d42a3afc3ee8fd6f23ca4ef0cb8c946939aa8ef7a1b6633683cc63","sources":[{"modifiedAt":1793915105687,"name":"CNA: Linux","retrievedAt":1793917081555,"url":"https://www.cve.org/CVERecord?id=CVE-2026-31522"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793917103203,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-31522"}],"ssvc":{"assessedAt":1793914635850,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"HID: magicmouse: avoid memory leak in magicmouse_report_fixup()","updatedAt":1793917103203}