{"id":"CVE-2024-36019","summary":"regmap: maple: Fix cache corruption in regcache_maple_drop()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nregmap: maple: Fix cache corruption in regcache_maple_drop()\n\nWhen keeping the upper end of a cache block entry, the entry[] array\nmust be indexed by the offset from the base register of the block,\ni.e. max - mas.index.\n\nThe code was indexing entry[] by only the register address, leading\nto an out-of-bounds access that copied some part of the kernel\nmemory over the cache contents.\n\nThis bug was not detected by the regmap KUnit test because it only\ntests with a block of registers starting at 0, so mas.index == 0.","modified":"2026-04-02T11:59:56.100863Z","published":"2024-05-30T14:59:42.840Z","related":["ALSA-2024:6567","SUSE-SU-2024:2135-1","SUSE-SU-2024:2203-1","SUSE-SU-2024:2973-1","SUSE-SU-2025:20008-1","SUSE-SU-2025:20028-1","SUSE-SU-2025:20166-1","SUSE-SU-2025:20249-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/36xxx/CVE-2024-36019.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/00bb549d7d63a21532e76e4a334d7807a54d9f31"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3af6c5ac72dc5b721058132a0a1d7779e443175e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/51c4440b9d3fd7c8234e6de9170a487c03506e53"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/36xxx/CVE-2024-36019.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-36019"},{"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":"f033c26de5a5734625d2dd1dc196745fae186f1b"},{"fixed":"3af6c5ac72dc5b721058132a0a1d7779e443175e"},{"fixed":"51c4440b9d3fd7c8234e6de9170a487c03506e53"},{"fixed":"00bb549d7d63a21532e76e4a334d7807a54d9f31"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-36019.json"}}],"schema_version":"1.7.5"}