{"id":"CVE-2026-31520","state":"PUBLISHED","title":"HID: apple: avoid memory leak in apple_report_fixup()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nHID: apple: avoid memory leak in apple_report_fixup()\n\nThe apple_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.","publishedAt":"2026-04-22T13:54:35.534Z","updatedAt":"2026-05-11T22:10:23.085Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"6e143293e17a73c9313f91c5ca3aaacbaef030cf","status":"affected","lessThan":"e2f090aeb7b9930a964e151910f4d45b04c8a7e5","versionType":"git"},{"version":"6e143293e17a73c9313f91c5ca3aaacbaef030cf","status":"affected","lessThan":"2635d0c715f3fb177e0f80ecd5fa48feb6bf3884","versionType":"git"},{"version":"6e143293e17a73c9313f91c5ca3aaacbaef030cf","status":"affected","lessThan":"31860c3f7ac66ab897a8c90dc4e74fa17ca0b624","versionType":"git"},{"version":"6e143293e17a73c9313f91c5ca3aaacbaef030cf","status":"affected","lessThan":"be1a341c161430282acdfe2ac99b413271575cf1","versionType":"git"},{"version":"6e143293e17a73c9313f91c5ca3aaacbaef030cf","status":"affected","lessThan":"e652ebd29928181c3e6820e303da25873e9917d4","versionType":"git"},{"version":"6e143293e17a73c9313f91c5ca3aaacbaef030cf","status":"affected","lessThan":"239c15116d80f67d32f00acc34575f1a6b699613","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/hid/hid-apple.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.17","versionType":"semver"},{"version":"6.1.168","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.131","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.80","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.21","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.11","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-apple.c"]}],"references":["https://git.kernel.org/stable/c/e2f090aeb7b9930a964e151910f4d45b04c8a7e5","https://git.kernel.org/stable/c/2635d0c715f3fb177e0f80ecd5fa48feb6bf3884","https://git.kernel.org/stable/c/31860c3f7ac66ab897a8c90dc4e74fa17ca0b624","https://git.kernel.org/stable/c/be1a341c161430282acdfe2ac99b413271575cf1","https://git.kernel.org/stable/c/e652ebd29928181c3e6820e303da25873e9917d4","https://git.kernel.org/stable/c/239c15116d80f67d32f00acc34575f1a6b699613"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/31xxx/CVE-2026-31520.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-31520","state":"PUBLISHED","datePublished":"2026-04-22T13:54:35.534Z","dateUpdated":"2026-05-11T22:10:23.085Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-03-09T15:48:24.108Z"},"containers":{"cna":{"title":"HID: apple: avoid memory leak in apple_report_fixup()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nHID: apple: avoid memory leak in apple_report_fixup()\n\nThe apple_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":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"6e143293e17a73c9313f91c5ca3aaacbaef030cf","status":"affected","lessThan":"e2f090aeb7b9930a964e151910f4d45b04c8a7e5","versionType":"git"},{"version":"6e143293e17a73c9313f91c5ca3aaacbaef030cf","status":"affected","lessThan":"2635d0c715f3fb177e0f80ecd5fa48feb6bf3884","versionType":"git"},{"version":"6e143293e17a73c9313f91c5ca3aaacbaef030cf","status":"affected","lessThan":"31860c3f7ac66ab897a8c90dc4e74fa17ca0b624","versionType":"git"},{"version":"6e143293e17a73c9313f91c5ca3aaacbaef030cf","status":"affected","lessThan":"be1a341c161430282acdfe2ac99b413271575cf1","versionType":"git"},{"version":"6e143293e17a73c9313f91c5ca3aaacbaef030cf","status":"affected","lessThan":"e652ebd29928181c3e6820e303da25873e9917d4","versionType":"git"},{"version":"6e143293e17a73c9313f91c5ca3aaacbaef030cf","status":"affected","lessThan":"239c15116d80f67d32f00acc34575f1a6b699613","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/hid/hid-apple.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.17","versionType":"semver"},{"version":"6.1.168","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.131","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.80","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.21","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.11","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-apple.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/e2f090aeb7b9930a964e151910f4d45b04c8a7e5"},{"url":"https://git.kernel.org/stable/c/2635d0c715f3fb177e0f80ecd5fa48feb6bf3884"},{"url":"https://git.kernel.org/stable/c/31860c3f7ac66ab897a8c90dc4e74fa17ca0b624"},{"url":"https://git.kernel.org/stable/c/be1a341c161430282acdfe2ac99b413271575cf1"},{"url":"https://git.kernel.org/stable/c/e652ebd29928181c3e6820e303da25873e9917d4"},{"url":"https://git.kernel.org/stable/c/239c15116d80f67d32f00acc34575f1a6b699613"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T22:10:23.085Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"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"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}