{"id":"CVE-2024-46715","summary":"driver: iio: add missing checks on iio_info's callback access","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ndriver: iio: add missing checks on iio_info's callback access\n\nSome callbacks from iio_info structure are accessed without any check, so\nif a driver doesn't implement them trying to access the corresponding\nsysfs entries produce a kernel oops such as:\n\n[ 2203.527791] Unable to handle kernel NULL pointer dereference at virtual address 00000000 when execute\n[...]\n[ 2203.783416] Call trace:\n[ 2203.783429]  iio_read_channel_info_avail from dev_attr_show+0x18/0x48\n[ 2203.789807]  dev_attr_show from sysfs_kf_seq_show+0x90/0x120\n[ 2203.794181]  sysfs_kf_seq_show from seq_read_iter+0xd0/0x4e4\n[ 2203.798555]  seq_read_iter from vfs_read+0x238/0x2a0\n[ 2203.802236]  vfs_read from ksys_read+0xa4/0xd4\n[ 2203.805385]  ksys_read from ret_fast_syscall+0x0/0x54\n[ 2203.809135] Exception stack(0xe0badfa8 to 0xe0badff0)\n[ 2203.812880] dfa0:                   00000003 b6f10f80 00000003 b6eab000 00020000 00000000\n[ 2203.819746] dfc0: 00000003 b6f10f80 7ff00000 00000003 00000003 00000000 00020000 00000000\n[ 2203.826619] dfe0: b6e1bc88 bed80958 b6e1bc94 b6e1bcb0\n[ 2203.830363] Code: bad PC value\n[ 2203.832695] ---[ end trace 0000000000000000 ]---","modified":"2026-04-02T12:19:31.056211Z","published":"2024-09-18T06:32:15.466Z","related":["SUSE-SU-2024:3551-1","SUSE-SU-2024:3553-1","SUSE-SU-2024:3559-1","SUSE-SU-2024:3561-1","SUSE-SU-2024:3564-1","SUSE-SU-2024:3566-1","SUSE-SU-2024:3569-1","SUSE-SU-2024:3587-1","SUSE-SU-2024:3591-1","SUSE-SU-2024:3592-1","SUSE-SU-2025:20073-1","SUSE-SU-2025:20077-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/46xxx/CVE-2024-46715.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0cc7e0ee31e5c44904e98e2229d591e093282a70"},{"type":"WEB","url":"https://git.kernel.org/stable/c/72f022ebb9deac28663fa4c04ba315ed5d6654d1"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c4ec8dedca961db056ec85cb7ca8c9f7e2e92252"},{"type":"WEB","url":"https://git.kernel.org/stable/c/dc537a72f64890d883d24ae4ac58733fc5bc523d"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/46xxx/CVE-2024-46715.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-46715"},{"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":"51239600074bc9979b0a0e83b72c726d7dcc3132"},{"fixed":"0cc7e0ee31e5c44904e98e2229d591e093282a70"},{"fixed":"72f022ebb9deac28663fa4c04ba315ed5d6654d1"},{"fixed":"dc537a72f64890d883d24ae4ac58733fc5bc523d"},{"fixed":"c4ec8dedca961db056ec85cb7ca8c9f7e2e92252"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-46715.json"}}],"schema_version":"1.7.5"}