{"id":"CVE-2024-46715","state":"PUBLISHED","title":"driver: iio: add missing checks on iio_info's callback access","description":"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 ]---","publishedAt":"2024-09-18T06:32:15.466Z","updatedAt":"2026-05-11T20:34:59.156Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"51239600074bc9979b0a0e83b72c726d7dcc3132","status":"affected","lessThan":"2b961d5786b4b31c367c719a2f918569b444c007","versionType":"git"},{"version":"51239600074bc9979b0a0e83b72c726d7dcc3132","status":"affected","lessThan":"0cc7e0ee31e5c44904e98e2229d591e093282a70","versionType":"git"},{"version":"51239600074bc9979b0a0e83b72c726d7dcc3132","status":"affected","lessThan":"72f022ebb9deac28663fa4c04ba315ed5d6654d1","versionType":"git"},{"version":"51239600074bc9979b0a0e83b72c726d7dcc3132","status":"affected","lessThan":"dc537a72f64890d883d24ae4ac58733fc5bc523d","versionType":"git"},{"version":"51239600074bc9979b0a0e83b72c726d7dcc3132","status":"affected","lessThan":"c4ec8dedca961db056ec85cb7ca8c9f7e2e92252","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iio/industrialio-core.c","drivers/iio/industrialio-event.c","drivers/iio/inkern.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.10","versionType":"semver"},{"version":"5.15.203","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.109","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.50","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.10.9","status":"unaffected","lessThanOrEqual":"6.10.*","versionType":"semver"},{"version":"6.11","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iio/industrialio-core.c","drivers/iio/industrialio-event.c","drivers/iio/inkern.c"]}],"references":["https://git.kernel.org/stable/c/2b961d5786b4b31c367c719a2f918569b444c007","https://git.kernel.org/stable/c/0cc7e0ee31e5c44904e98e2229d591e093282a70","https://git.kernel.org/stable/c/72f022ebb9deac28663fa4c04ba315ed5d6654d1","https://git.kernel.org/stable/c/dc537a72f64890d883d24ae4ac58733fc5bc523d","https://git.kernel.org/stable/c/c4ec8dedca961db056ec85cb7ca8c9f7e2e92252","https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:07:47.831Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/46xxx/CVE-2024-46715.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-46715","state":"PUBLISHED","datePublished":"2024-09-18T06:32:15.466Z","dateUpdated":"2026-05-11T20:34:59.156Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-09-11T15:12:18.254Z"},"containers":{"cna":{"title":"driver: iio: add missing checks on iio_info's callback access","descriptions":[{"lang":"en","value":"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 ]---"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"51239600074bc9979b0a0e83b72c726d7dcc3132","status":"affected","lessThan":"2b961d5786b4b31c367c719a2f918569b444c007","versionType":"git"},{"version":"51239600074bc9979b0a0e83b72c726d7dcc3132","status":"affected","lessThan":"0cc7e0ee31e5c44904e98e2229d591e093282a70","versionType":"git"},{"version":"51239600074bc9979b0a0e83b72c726d7dcc3132","status":"affected","lessThan":"72f022ebb9deac28663fa4c04ba315ed5d6654d1","versionType":"git"},{"version":"51239600074bc9979b0a0e83b72c726d7dcc3132","status":"affected","lessThan":"dc537a72f64890d883d24ae4ac58733fc5bc523d","versionType":"git"},{"version":"51239600074bc9979b0a0e83b72c726d7dcc3132","status":"affected","lessThan":"c4ec8dedca961db056ec85cb7ca8c9f7e2e92252","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iio/industrialio-core.c","drivers/iio/industrialio-event.c","drivers/iio/inkern.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.10","versionType":"semver"},{"version":"5.15.203","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.109","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.50","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.10.9","status":"unaffected","lessThanOrEqual":"6.10.*","versionType":"semver"},{"version":"6.11","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iio/industrialio-core.c","drivers/iio/industrialio-event.c","drivers/iio/inkern.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/2b961d5786b4b31c367c719a2f918569b444c007"},{"url":"https://git.kernel.org/stable/c/0cc7e0ee31e5c44904e98e2229d591e093282a70"},{"url":"https://git.kernel.org/stable/c/72f022ebb9deac28663fa4c04ba315ed5d6654d1"},{"url":"https://git.kernel.org/stable/c/dc537a72f64890d883d24ae4ac58733fc5bc523d"},{"url":"https://git.kernel.org/stable/c/c4ec8dedca961db056ec85cb7ca8c9f7e2e92252"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T20:34:59.156Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.10","versionEndExcluding":"5.15.203"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.10","versionEndExcluding":"6.1.109"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.10","versionEndExcluding":"6.6.50"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.10","versionEndExcluding":"6.10.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.10","versionEndExcluding":"6.11"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-09-29T14:58:24.856339Z","id":"CVE-2024-46715","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-09-29T14:58:39.554Z"}},{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-03T22:16:46.735Z"}}]}}}