CVE-2026-43356

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{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/iio/imu/adis.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "ba19dd366528b961430f5195c2e382420703074f", "status": "affected", "version": "3b29bcee8f6f703a5952b85fc2ffcbcfb0862db4", "versionType": "git"}, {"lessThan": "1a48f94c63a078e7b6a2e59a637fc0858dc6510c", "status": "affected", "version": "3b29bcee8f6f703a5952b85fc2ffcbcfb0862db4", "versionType": "git"}, {"lessThan": "9990cd4f8827bd1ae3fb6eb7407630d8d463c430", "status": "affected", "version": "3b29bcee8f6f703a5952b85fc2ffcbcfb0862db4", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/iio/imu/adis.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.15"}, {"lessThan": "6.15", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.19", "versionType": "semver"}, {"lessThanOrEqual": "6.19.*", "status": "unaffected", "version": "6.19.9", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D6461E17-9936-4679-8F97-568871A6FBE4", "versionEndExcluding": "6.18.19", "versionStartIncluding": "6.15", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E825E7C3-FEAC-4FD3-8A81-78D7387948C9", "versionEndExcluding": "6.19.9", "versionStartIncluding": "6.19", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*", "matchCriteriaId": "F253B622-8837-4245-BCE5-A7BF8FC76A16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*", "matchCriteriaId": "4AE85AD8-4641-4E7C-A2F4-305E2CD9EE64", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*", "matchCriteriaId": "F666C8D8-6538-46D4-B318-87610DE64C34", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: imu: adis: Fix NULL pointer dereference in adis_init\n\nThe adis_init() function dereferences adis->ops to check if the\nindividual function pointers (write, read, reset) are NULL, but does\nnot first check if adis->ops itself is NULL.\n\nDrivers like adis16480, adis16490, adis16545 and others do not set\ncustom ops and rely on adis_init() assigning the defaults. Since struct\nadis is zero-initialized by devm_iio_device_alloc(), adis->ops is NULL\nwhen adis_init() is called, causing a NULL pointer dereference:\n\n Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000\n pc : adis_init+0xc0/0x118\n Call trace:\n adis_init+0xc0/0x118\n adis16480_probe+0xe0/0x670\n\nFix this by checking if adis->ops is NULL before dereferencing it,\nfalling through to assign the default ops in that case."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\niio: imu: adis: Correcci\u00f3n de desreferencia de puntero NULL en adis_init\n\nLa funci\u00f3n adis_init() desreferencia adis -> ops para comprobar si los punteros de funci\u00f3n individuales (write, read, reset) son NULL, pero no comprueba primero si adis -> ops en s\u00ed mismo es NULL.\n\nControladores como adis16480, adis16490, adis16545 y otros no establecen \u2019ops\u2019 personalizadas y dependen de que adis_init() asigne los valores predeterminados. Dado que la estructura adis se inicializa a cero mediante devm_iio_device_alloc(), adis -> ops es NULL cuando se llama a adis_init(), causando una desreferencia de puntero NULL:\n\n Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000\n pc : adis_init+0xc0/0x118\n Call trace:\n adis_init+0xc0/0x118\n adis16480_probe+0xe0/0x670\n\nSolucione esto comprobando si adis -> ops es NULL antes de desreferenciarlo, pasando a asignar las \u2019ops\u2019 predeterminadas en ese caso."}], "id": "CVE-2026-43356", "lastModified": "2026-11-11T20:10:00.273", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2026-05-08T15:16:46.367", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1a48f94c63a078e7b6a2e59a637fc0858dc6510c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9990cd4f8827bd1ae3fb6eb7407630d8d463c430"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ba19dd366528b961430f5195c2e382420703074f"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: iio: imu: adis: Fix NULL pointer dereference in adis_init", "id": "2468240", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2468240"}, "csaw": false, "cwe": "CWE-476", "details": ["A flaw was found in the Linux kernel's Industrial I/O (IIO) subsystem, specifically within the Analog Devices (ADIS) Inertial Measurement Unit (IMU) drivers (adis16480, adis16490, adis16545). When these drivers are initialized, a NULL pointer dereference occurs in the `adis_init()` function because the `adis->ops` structure is not properly checked before being accessed. This vulnerability can lead to a system crash, resulting in a Denial of Service (DoS)."], "name": "CVE-2026-43356", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-05-08T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-43356\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-43356\nhttps://lore.kernel.org/linux-cve-announce/2026050824-CVE-2026-43356-4e9c@gregkh/T"]}

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