{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-46715", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-09-11T15:12:18.254Z", "datePublished": "2024-09-18T06:32:15.466Z", "dateUpdated": "2024-09-18T06:32:15.466Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-09-18T06:32:15.466Z"}, "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": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "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"], "versions": [{"version": "1da177e4c3f4", "lessThan": "0cc7e0ee31e5", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f4", "lessThan": "72f022ebb9de", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f4", "lessThan": "dc537a72f648", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f4", "lessThan": "c4ec8dedca96", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "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"], "versions": [{"version": "6.1.109", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "custom"}, {"version": "6.6.50", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "custom"}, {"version": "6.10.9", "lessThanOrEqual": "6.10.*", "status": "unaffected", "versionType": "custom"}, {"version": "6.11", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"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"}], "title": "driver: iio: add missing checks on iio_info's callback access", "x_generator": {"engine": "bippy-c9c4e1df01b2"}}}}

{}

{"cveTags": [], "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 ]---"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: driver: iio: agregar comprobaciones faltantes en el acceso a la devoluci\u00f3n de llamada de iio_info Se accede a algunas devoluciones de llamadas de la estructura iio_info sin ninguna comprobaci\u00f3n, por lo que si un controlador no las implementa, intentar acceder a las entradas sysfs correspondientes produce un error de kernel como: [ 2203.527791] No se puede manejar la desreferencia del puntero NULL del kernel en la direcci\u00f3n virtual 00000000 cuando se ejecuta [...] [ 2203.783416] Rastreo de llamadas: [ 2203.783429] iio_read_channel_info_avail de dev_attr_show+0x18/0x48 [ 2203.789807] dev_attr_show de sysfs_kf_seq_show+0x90/0x120 [ 2203.794181] sysfs_kf_seq_show de seq_read_iter+0xd0/0x4e4 [ 2203.798555] seq_read_iter de vfs_read+0x238/0x2a0 [ 2203.802236] vfs_read de ksys_read+0xa4/0xd4 [ 2203.805385] ksys_read de ret_fast_syscall+0x0/0x54 [ 2203.809135] Pila de excepciones (0xe0badfa8 a 0xe0badff0) [ 2203.812880] dfa0: 00000003 b6f10f80 00000003 b6eab000 00020000 00000000 [ 2203.819746] dfc0: 00000003 b6f10f80 7ff00000 00000003 00000003 00000000 00020000 00000000 [ 2203.826619] dfe0: b6e1bc88 bed80958 b6e1bc94 b6e1bcb0 [ 2203.830363] C\u00f3digo: valor de PC incorrecto [ 2203.832695] ---[ fin del seguimiento 000000000000000 ]---"}], "id": "CVE-2024-46715", "lastModified": "2024-09-20T12:30:51.220", "metrics": {}, "published": "2024-09-18T07:15:03.130", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0cc7e0ee31e5c44904e98e2229d591e093282a70"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/72f022ebb9deac28663fa4c04ba315ed5d6654d1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c4ec8dedca961db056ec85cb7ca8c9f7e2e92252"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/dc537a72f64890d883d24ae4ac58733fc5bc523d"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: driver: iio: add missing checks on iio_info's callback access", "id": "2313045", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2313045"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndriver: iio: add missing checks on iio_info's callback access\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[ 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 ]---"], "name": "CVE-2024-46715", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-09-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-46715\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-46715\nhttps://lore.kernel.org/linux-cve-announce/2024091833-CVE-2024-46715-7e7b@gregkh/T"], "threat_severity": "Moderate"}