{"id":"AZL-55228","summary":"CVE-2024-46715 affecting package kernel 5.15.200.1-1","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":"2026-04-21T04:35:50.173316Z","published":"2024-09-18T07:15:03Z","upstream":["CVE-2024-46715"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-46715"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"5.15.200.1-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-55228.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}