{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-71199", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-01-31T11:36:51.192Z", "datePublished": "2026-02-04T16:07:34.062Z", "dateUpdated": "2026-05-11T21:56:34.681Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:56:34.681Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: adc: at91-sama5d2_adc: Fix potential use-after-free in sama5d2_adc driver\n\nat91_adc_interrupt can call at91_adc_touch_data_handler function\nto start the work by schedule_work(&st->touch_st.workq).\n\nIf we remove the module which will call at91_adc_remove to\nmake cleanup, it will free indio_dev through iio_device_unregister but\nquite a bit later. While the work mentioned above will be used. The\nsequence of operations that may lead to a UAF bug is as follows:\n\nCPU0 CPU1\n\n | at91_adc_workq_handler\nat91_adc_remove |\niio_device_unregister(indio_dev) |\n//free indio_dev a bit later |\n | iio_push_to_buffers(indio_dev)\n | //use indio_dev\n\nFix it by ensuring that the work is canceled before proceeding with\nthe cleanup in at91_adc_remove."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/iio/adc/at91-sama5d2_adc.c"], "versions": [{"version": "23ec2774f1cc168b1f32a2e0ed2709cb473bb94e", "lessThan": "4c83dd62595ee7b7c9298a4d19a256b6647e7240", "status": "affected", "versionType": "git"}, {"version": "23ec2774f1cc168b1f32a2e0ed2709cb473bb94e", "lessThan": "fdc8c835c637a3473878d1e7438c77ab8928af63", "status": "affected", "versionType": "git"}, {"version": "23ec2774f1cc168b1f32a2e0ed2709cb473bb94e", "lessThan": "919d176b05776c7ede79c36744c823a07d631617", "status": "affected", "versionType": "git"}, {"version": "23ec2774f1cc168b1f32a2e0ed2709cb473bb94e", "lessThan": "9795fe80976f8c31cafda7d44edfc0f532d1f7c4", "status": "affected", "versionType": "git"}, {"version": "23ec2774f1cc168b1f32a2e0ed2709cb473bb94e", "lessThan": "d7b6fc224c7f5d6d8adcb18037138d3cfe2bbdfe", "status": "affected", "versionType": "git"}, {"version": "23ec2774f1cc168b1f32a2e0ed2709cb473bb94e", "lessThan": "d890234a91570542c228a20f132ce74f9fedd904", "status": "affected", "versionType": "git"}, {"version": "23ec2774f1cc168b1f32a2e0ed2709cb473bb94e", "lessThan": "dbdb442218cd9d613adeab31a88ac973f22c4873", "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/adc/at91-sama5d2_adc.c"], "versions": [{"version": "4.19", "status": "affected"}, {"version": "0", "lessThan": "4.19", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.249", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.199", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.162", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.122", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.68", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.8", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "5.10.249"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "5.15.199"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "6.1.162"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "6.6.122"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "6.12.68"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "6.18.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "6.19"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/4c83dd62595ee7b7c9298a4d19a256b6647e7240"}, {"url": "https://git.kernel.org/stable/c/fdc8c835c637a3473878d1e7438c77ab8928af63"}, {"url": "https://git.kernel.org/stable/c/919d176b05776c7ede79c36744c823a07d631617"}, {"url": "https://git.kernel.org/stable/c/9795fe80976f8c31cafda7d44edfc0f532d1f7c4"}, {"url": "https://git.kernel.org/stable/c/d7b6fc224c7f5d6d8adcb18037138d3cfe2bbdfe"}, {"url": "https://git.kernel.org/stable/c/d890234a91570542c228a20f132ce74f9fedd904"}, {"url": "https://git.kernel.org/stable/c/dbdb442218cd9d613adeab31a88ac973f22c4873"}], "title": "iio: adc: at91-sama5d2_adc: Fix potential use-after-free in sama5d2_adc driver", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: adc: at91-sama5d2_adc: Fix potential use-after-free in sama5d2_adc driver\n\nat91_adc_interrupt can call at91_adc_touch_data_handler function\nto start the work by schedule_work(&st->touch_st.workq).\n\nIf we remove the module which will call at91_adc_remove to\nmake cleanup, it will free indio_dev through iio_device_unregister but\nquite a bit later. While the work mentioned above will be used. The\nsequence of operations that may lead to a UAF bug is as follows:\n\nCPU0 CPU1\n\n | at91_adc_workq_handler\nat91_adc_remove |\niio_device_unregister(indio_dev) |\n//free indio_dev a bit later |\n | iio_push_to_buffers(indio_dev)\n | //use indio_dev\n\nFix it by ensuring that the work is canceled before proceeding with\nthe cleanup in at91_adc_remove."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\niio: adc: at91-sama5d2_adc: Soluciona un potencial uso despu\u00e9s de liberaci\u00f3n en el controlador sama5d2_adc\n\nat91_adc_interrupt puede llamar a la funci\u00f3n at91_adc_touch_data_handler para iniciar el trabajo mediante schedule_work(&st->touch_st.workq).\n\nSi eliminamos el m\u00f3dulo que llamar\u00e1 a at91_adc_remove para realizar la limpieza, liberar\u00e1 indio_dev a trav\u00e9s de iio_device_unregister pero bastante m\u00e1s tarde. Mientras que el trabajo mencionado anteriormente ser\u00e1 utilizado. La secuencia de operaciones que puede llevar a un error UAF es la siguiente:\n\nCPU0 CPU1\n\n | at91_adc_workq_handler\nat91_adc_remove |\niio_device_unregister(indio_dev) |\n//liberar indio_dev un poco m\u00e1s tarde |\n | iio_push_to_buffers(indio_dev)\n | //usar indio_dev\n\nSe soluciona asegurando que el trabajo sea cancelado antes de proceder con la limpieza en at91_adc_remove."}], "id": "CVE-2025-71199", "lastModified": "2026-04-15T00:35:42.020", "metrics": {}, "published": "2026-02-04T17:16:11.847", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4c83dd62595ee7b7c9298a4d19a256b6647e7240"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/919d176b05776c7ede79c36744c823a07d631617"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9795fe80976f8c31cafda7d44edfc0f532d1f7c4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d7b6fc224c7f5d6d8adcb18037138d3cfe2bbdfe"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d890234a91570542c228a20f132ce74f9fedd904"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/dbdb442218cd9d613adeab31a88ac973f22c4873"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fdc8c835c637a3473878d1e7438c77ab8928af63"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Deferred"}

{"bugzilla": {"description": "kernel: iio: adc: at91-sama5d2_adc: Fix potential use-after-free in sama5d2_adc driver", "id": "2436758", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2436758"}, "csaw": false, "details": ["No description is available for this CVE."], "name": "CVE-2025-71199", "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": "2026-02-04T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-71199\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-71199\nhttps://lore.kernel.org/linux-cve-announce/2026020412-CVE-2025-71199-9a60@gregkh/T"], "threat_severity": "Moderate"}

{}