{"id":"CVE-2026-31522","summary":"HID: magicmouse: avoid memory leak in magicmouse_report_fixup()","details":"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.","modified":"2026-05-18T05:59:50.458466276Z","published":"2026-04-22T13:54:36.885Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31522.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/136f605e246b4bfe7ac2259471d1ff814aed0084"},{"type":"WEB","url":"https://git.kernel.org/stable/c/579c4c9857acdc8380fa99803f355f878bd766cb"},{"type":"WEB","url":"https://git.kernel.org/stable/c/79e5dcc95d9abed6f8203cfd529f4ec71f0e505d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7edfe4346b052b708645d0acc0f186425766b785"},{"type":"WEB","url":"https://git.kernel.org/stable/c/91e8c6e601bdc1ccdf886479b6513c01c7e51c2c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d84c21aabaab517b9aaf9bc1d785922cb9db2f31"},{"type":"WEB","url":"https://git.kernel.org/stable/c/fa95b0146358b49f9858139b67314591fd5871b0"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31522.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-31522"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"e6ad399596bd234be4722022146e33e15c7e424d"},{"fixed":"579c4c9857acdc8380fa99803f355f878bd766cb"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0b91b4e4dae63cd43871fc2012370b86ee588f91"},{"fixed":"d84c21aabaab517b9aaf9bc1d785922cb9db2f31"},{"fixed":"7edfe4346b052b708645d0acc0f186425766b785"},{"fixed":"79e5dcc95d9abed6f8203cfd529f4ec71f0e505d"},{"fixed":"136f605e246b4bfe7ac2259471d1ff814aed0084"},{"fixed":"fa95b0146358b49f9858139b67314591fd5871b0"},{"fixed":"91e8c6e601bdc1ccdf886479b6513c01c7e51c2c"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0"},{"last_affected":"c394bd1bc8537e61593b6b6799e01495c7cf9008"}]}],"versions":["v5.15.202","v5.15.201","v5.15.200","v5.15.199","v5.15.198","v5.15.197","v5.15.196","v5.15.195","v5.15.194","v5.15.193","v5.15.192","v5.15.191","v5.15.190","v5.15.189","v5.15.188","v5.15.187","v5.15.186","v5.15.185","v5.15.184","v5.15.183","v5.15.182","v5.15.181","v5.15.180","v5.15.179","v5.15.178","v5.15.177","v5.15.176","v5.15.175","v5.15.174","v5.15.173","v5.15.172","v5.15.171","v5.15.170","v5.15.169","v5.15.168","v5.15.167","v5.15.166","v5.15.165","v5.15.164","v5.15.163","v5.15.162","v5.15.161","v5.15.160","v5.15.159","v5.15.158","v5.15.157","v5.15.156","v5.15.155","v5.15.154","v5.15.153","v5.15.152","v5.15.151","v5.15.150","v5.15.149","v5.15.148","v5.15.147","v5.15.146","v5.15.145","v5.15.144","v5.15.143","v5.15.142","v5.15.141","v5.15.140","v5.15.139","v5.15.138","v5.15.137","v5.15.136","v5.15.135","v5.15.134","v5.15.133","v5.15.132","v5.15.131","v5.15.130","v5.15.129","v5.15.128","v5.15.127","v5.15.126","v5.15.125","v5.15.124","v5.15.123","v5.15.122","v5.15.121","v5.15.120","v5.15.119","v5.15.118","v5.15.117","v5.15.116","v5.15.115","v5.15.114","v5.15.113","v5.15.112","v5.15.111","v5.15.110","v5.15.109","v5.15.108","v5.15.107","v5.15.106","v5.15.105","v5.15.104","v5.15.103","v5.15.102","v5.15.101","v5.15.100","v5.15.99","v5.15.98","v5.15.97","v5.15.96","v5.15.95","v5.15.94","v5.15.93","v5.15.92","v5.15.91","v5.15.90","v5.15.89","v5.15.88","v5.15.87","v5.15.86","v5.15.85","v5.15.84","v5.15.83","v5.15.82","v5.15.81","v5.15.80","v5.15.79","v5.15.78","v5.15.77","v5.15.76","v5.15.75","v5.15.74","v5.15.73","v5.15.72","v5.15.71","v5.15.70","v5.15.69","v5.15.68","v5.15.67","v5.15.66","v5.15.65","v5.15.64","v5.15.63","v5.15.62","v5.15.61","v5.15.60","v5.15.59","v5.15.58","v5.15.57","v5.15.56","v5.15.55","v5.15.54","v5.15.53","v5.15.52","v5.15.51","v5.15.50","v5.15.49","v5.15.48","v5.15.47","v5.15.46","v5.15.45","v5.15.44","v5.15.43","v5.15.42","v5.15.41","v5.15.40","v5.15.39","v5.15.38","v5.15.37","v5.15.36","v5.15.35","v5.15.34","v5.15.33","v5.15.32","v5.15.31","v5.15.30","v5.15.29","v5.15.28","v5.15.27","v5.15.26","v5.15.25","v5.15.24","v5.15.23","v5.15.22","v5.15.21","v5.15.20","v5.15.19","v5.15.18","v5.15.17","v5.16","v5.16.2","v5.16.1","v5.16-rc1","v5.16-rc8","v5.16-rc5","v5.16-rc6","v5.16-rc7","v5.16-rc3","v5.16-rc2","v5.16-rc4","v5.15","v5.15-rc2","v5.15-rc1","v5.15-rc4","v5.15-rc7","v5.15-rc3","v5.15-rc5","v5.15-rc6","v5.14","v5.14-rc3","v5.14-rc1","v5.14-rc2","v5.14-rc7","v5.14-rc6","v5.13-rc1","v5.14-rc5","v5.14-rc4","v5.13","v5.13-rc6","v5.13-rc7","v5.13-rc3","v5.13-rc2","v5.13-rc4","v5.13-rc5","v5.12","v5.12-rc2","v5.12-rc1-dontuse","v5.12-rc1","v5.12-rc8","v5.12-rc3","v5.12-rc7","v5.12-rc5","v5.12-rc6","v5.12-rc4","v5.10","v5.11","v5.11-rc3","v5.11-rc7","v5.11-rc6","v5.11-rc5","v5.11-rc1","v5.11-rc4","v5.11-rc2","v5.10-rc1","v5.10-rc7","v5.10-rc4","v5.10-rc3","v5.10-rc6","v5.9","v5.10-rc2","v5.10-rc5","v5.9-rc1","v5.9-r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