CVE-2026-64500

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-64500", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-19T15:36:31.793Z", "datePublished": "2026-07-25T08:51:56.053Z", "dateUpdated": "2026-08-17T04:56:49.966Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T04:56:49.966Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: adc: lpc32xx: Initialize completion before requesting IRQ\n\nIn the report from Jaeyoung Chung:\n\n\"lpc32xx_adc_probe() in drivers/iio/adc/lpc32xx_adc.c registers its\ninterrupt handler with devm_request_irq() before it initializes\nst->completion with init_completion(). If an interrupt arrives after\ndevm_request_irq() and before init_completion(), the handler calls\ncomplete() on an uninitialized completion, causing a kernel panic.\n\nThe probe path, in lpc32xx_adc_probe():\n\n iodev = devm_iio_device_alloc(&pdev->dev, sizeof(*st)); /* st kzalloc-zeroed */\n ...\n retval = devm_request_irq(&pdev->dev, irq, lpc32xx_adc_isr, 0,\n LPC32XXAD_NAME, st); /* register handler */\n ...\n init_completion(&st->completion); /* initialize completion */\n\nlpc32xx_adc_isr() calls complete():\n\n complete(&st->completion);\n\nIf the device raises an interrupt before init_completion() runs,\ncomplete() acquires the uninitialized wait.lock and walks the zeroed\ntask_list in swake_up_locked(). The zeroed task_list makes list_empty()\nreturn false, so swake_up_locked() dereferences a NULL list entry,\ntriggering a KASAN wild-memory-access.\"\n\nFix the chance of a spurious IRQ causing an uninitialized pointer\ndereference by moving init_completion() above devm_request_irq()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/iio/adc/lpc32xx_adc.c"], "versions": [{"version": "7901b2a1453e48c9defff2c97c67d3089bf4df7a", "lessThan": "7090c0d29708ee305022d0ea7b37612b33242fa2", "status": "affected", "versionType": "git"}, {"version": "7901b2a1453e48c9defff2c97c67d3089bf4df7a", "lessThan": "0e33587967b356519aa6f220b5b43c6976320397", "status": "affected", "versionType": "git"}, {"version": "7901b2a1453e48c9defff2c97c67d3089bf4df7a", "lessThan": "1ddf7b6ffb8ebb22b92a184a9eaa76277ef0c7cd", "status": "affected", "versionType": "git"}, {"version": "7901b2a1453e48c9defff2c97c67d3089bf4df7a", "lessThan": "820c4f15353efe9a9429ae86ccceeaf4e0e4e585", "status": "affected", "versionType": "git"}, {"version": "7901b2a1453e48c9defff2c97c67d3089bf4df7a", "lessThan": "48eccc6caed4e62c0f199ab3a3772fa969cd3b2d", "status": "affected", "versionType": "git"}, {"version": "7901b2a1453e48c9defff2c97c67d3089bf4df7a", "lessThan": "9e2e8b8cdfd37ae7c7a8a5c96c59e98a768731c4", "status": "affected", "versionType": "git"}, {"version": "7901b2a1453e48c9defff2c97c67d3089bf4df7a", "lessThan": "2f18c5551aa97ca7f39dbb151c67c9053ccadc17", "status": "affected", "versionType": "git"}, {"version": "7901b2a1453e48c9defff2c97c67d3089bf4df7a", "lessThan": "e561b35633f450ee607e87a6401d97f156a0cd54", "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/lpc32xx_adc.c"], "versions": [{"version": "4.12", "status": "affected"}, {"version": "0", "lessThan": "4.12", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.261", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.212", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.178", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.145", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.96", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.39", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.4", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "4.12", "versionEndExcluding": "5.10.261"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.12", "versionEndExcluding": "5.15.212"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.12", "versionEndExcluding": "6.1.178"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.12", "versionEndExcluding": "6.6.145"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.12", "versionEndExcluding": "6.12.96"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.12", "versionEndExcluding": "6.18.39"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.12", "versionEndExcluding": "7.1.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.12", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/7090c0d29708ee305022d0ea7b37612b33242fa2"}, {"url": "https://git.kernel.org/stable/c/0e33587967b356519aa6f220b5b43c6976320397"}, {"url": "https://git.kernel.org/stable/c/1ddf7b6ffb8ebb22b92a184a9eaa76277ef0c7cd"}, {"url": "https://git.kernel.org/stable/c/820c4f15353efe9a9429ae86ccceeaf4e0e4e585"}, {"url": "https://git.kernel.org/stable/c/48eccc6caed4e62c0f199ab3a3772fa969cd3b2d"}, {"url": "https://git.kernel.org/stable/c/9e2e8b8cdfd37ae7c7a8a5c96c59e98a768731c4"}, {"url": "https://git.kernel.org/stable/c/2f18c5551aa97ca7f39dbb151c67c9053ccadc17"}, {"url": "https://git.kernel.org/stable/c/e561b35633f450ee607e87a6401d97f156a0cd54"}], "title": "iio: adc: lpc32xx: Initialize completion before requesting IRQ", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/iio/adc/lpc32xx_adc.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "7090c0d29708ee305022d0ea7b37612b33242fa2", "status": "affected", "version": "7901b2a1453e48c9defff2c97c67d3089bf4df7a", "versionType": "git"}, {"lessThan": "0e33587967b356519aa6f220b5b43c6976320397", "status": "affected", "version": "7901b2a1453e48c9defff2c97c67d3089bf4df7a", "versionType": "git"}, {"lessThan": "1ddf7b6ffb8ebb22b92a184a9eaa76277ef0c7cd", "status": "affected", "version": "7901b2a1453e48c9defff2c97c67d3089bf4df7a", "versionType": "git"}, {"lessThan": "820c4f15353efe9a9429ae86ccceeaf4e0e4e585", "status": "affected", "version": "7901b2a1453e48c9defff2c97c67d3089bf4df7a", "versionType": "git"}, {"lessThan": "48eccc6caed4e62c0f199ab3a3772fa969cd3b2d", "status": "affected", "version": "7901b2a1453e48c9defff2c97c67d3089bf4df7a", "versionType": "git"}, {"lessThan": "9e2e8b8cdfd37ae7c7a8a5c96c59e98a768731c4", "status": "affected", "version": "7901b2a1453e48c9defff2c97c67d3089bf4df7a", "versionType": "git"}, {"lessThan": "2f18c5551aa97ca7f39dbb151c67c9053ccadc17", "status": "affected", "version": "7901b2a1453e48c9defff2c97c67d3089bf4df7a", "versionType": "git"}, {"lessThan": "e561b35633f450ee607e87a6401d97f156a0cd54", "status": "affected", "version": "7901b2a1453e48c9defff2c97c67d3089bf4df7a", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/iio/adc/lpc32xx_adc.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "4.12"}, {"lessThan": "4.12", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.261", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.212", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.178", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.145", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.96", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.39", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: adc: lpc32xx: Initialize completion before requesting IRQ\n\nIn the report from Jaeyoung Chung:\n\n\"lpc32xx_adc_probe() in drivers/iio/adc/lpc32xx_adc.c registers its\ninterrupt handler with devm_request_irq() before it initializes\nst->completion with init_completion(). If an interrupt arrives after\ndevm_request_irq() and before init_completion(), the handler calls\ncomplete() on an uninitialized completion, causing a kernel panic.\n\nThe probe path, in lpc32xx_adc_probe():\n\n iodev = devm_iio_device_alloc(&pdev->dev, sizeof(*st)); /* st kzalloc-zeroed */\n ...\n retval = devm_request_irq(&pdev->dev, irq, lpc32xx_adc_isr, 0,\n LPC32XXAD_NAME, st); /* register handler */\n ...\n init_completion(&st->completion); /* initialize completion */\n\nlpc32xx_adc_isr() calls complete():\n\n complete(&st->completion);\n\nIf the device raises an interrupt before init_completion() runs,\ncomplete() acquires the uninitialized wait.lock and walks the zeroed\ntask_list in swake_up_locked(). The zeroed task_list makes list_empty()\nreturn false, so swake_up_locked() dereferences a NULL list entry,\ntriggering a KASAN wild-memory-access.\"\n\nFix the chance of a spurious IRQ causing an uninitialized pointer\ndereference by moving init_completion() above devm_request_irq()."}], "id": "CVE-2026-64500", "lastModified": "2026-11-03T18:15:39.353", "metrics": {}, "published": "2026-07-25T10:17:35.957", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0e33587967b356519aa6f220b5b43c6976320397"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1ddf7b6ffb8ebb22b92a184a9eaa76277ef0c7cd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2f18c5551aa97ca7f39dbb151c67c9053ccadc17"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/48eccc6caed4e62c0f199ab3a3772fa969cd3b2d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7090c0d29708ee305022d0ea7b37612b33242fa2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/820c4f15353efe9a9429ae86ccceeaf4e0e4e585"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9e2e8b8cdfd37ae7c7a8a5c96c59e98a768731c4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e561b35633f450ee607e87a6401d97f156a0cd54"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: iio: adc: lpc32xx: Initialize completion before requesting IRQ", "id": "2507200", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2507200"}, "csaw": false, "details": ["A flaw was found in the Linux kernel's lpc32xx_adc driver. A local attacker could trigger a race condition during the driver's initialization by causing a spurious interrupt. This improper handling of interrupts before completion initialization can lead to a kernel panic, resulting in a Denial of Service (DoS) for the system."], "name": "CVE-2026-64500", "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"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Fix deferred", "impact": "moderate", "package_name": "erlang27", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-07-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-64500\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-64500\nhttps://lore.kernel.org/linux-cve-announce/2026072552-CVE-2026-64500-5ea5@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[7901b2a1453e48c9defff2c97c67d3089bf4df7a,7090c0d29708ee305022d0ea7b37612b33242fa2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[7901b2a1453e48c9defff2c97c67d3089bf4df7a,0e33587967b356519aa6f220b5b43c6976320397)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[7901b2a1453e48c9defff2c97c67d3089bf4df7a,1ddf7b6ffb8ebb22b92a184a9eaa76277ef0c7cd)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[7901b2a1453e48c9defff2c97c67d3089bf4df7a,820c4f15353efe9a9429ae86ccceeaf4e0e4e585)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[7901b2a1453e48c9defff2c97c67d3089bf4df7a,48eccc6caed4e62c0f199ab3a3772fa969cd3b2d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[7901b2a1453e48c9defff2c97c67d3089bf4df7a,9e2e8b8cdfd37ae7c7a8a5c96c59e98a768731c4)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[7901b2a1453e48c9defff2c97c67d3089bf4df7a,2f18c5551aa97ca7f39dbb151c67c9053ccadc17)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[7901b2a1453e48c9defff2c97c67d3089bf4df7a,e561b35633f450ee607e87a6401d97f156a0cd54)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "4.12"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,4.12)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.10.261,5.11.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.212,5.16.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.178,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.145,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.96,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.39,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.4,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2-rc3,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-07-25T23:30:07.356807+00:00", "updated": "2026-08-03T18:30:06.639863+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-457"]}