CVE-2026-64278

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{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/i2c/busses/i2c-imx-lpi2c.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "b2523f26979e0b5bd1422772176b2233fcd1f6d0", "status": "affected", "version": "1ee867e465c1b0216ec02d4c0d334c4e89919cec", "versionType": "git"}, {"lessThan": "5800647d19d3f1f747fda4dc67e55d6afa6ee119", "status": "affected", "version": "1ee867e465c1b0216ec02d4c0d334c4e89919cec", "versionType": "git"}, {"lessThan": "218cfe364b55b2768221629bd4a69ad190b7fbbc", "status": "affected", "version": "1ee867e465c1b0216ec02d4c0d334c4e89919cec", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/i2c/busses/i2c-imx-lpi2c.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.14"}, {"lessThan": "6.14", "status": "unaffected", "version": "0", "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"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "A14068C8-C11C-44AA-9581-F8861BC66FF8", "versionEndExcluding": "6.18.39", "versionStartIncluding": "6.14", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "6228DDD6-4557-4AA3-9F43-AB995D471E42", "versionEndExcluding": "7.1.4", "versionStartIncluding": "6.19", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: imx-lpi2c: mark I2C adapter when hardware is powered down\n\nOn some i.MX platforms, certain I2C client drivers keep a periodic\nworkqueue which continues to trigger I2C transfers.\n\nDuring system suspend/resume, there exists a time window between:\n - suspend_noirq and the system entering suspend\n - the system starting to resume and resume_noirq\n\nIn this window, the I2C controller resources such as clock and pinctrl\nmay already be disabled or not yet restored.\n\nIf a workqueue triggers an I2C transfer in this period, the driver\nattempts to access I2C registers while the hardware resources are\nunavailable, which may lead to system hang.\n\nMark the I2C adapter as suspended during noirq suspend and block new\ntransfers until resume, ensuring that I2C transfers are only issued\nwhen hardware resources are available."}], "id": "CVE-2026-64278", "lastModified": "2026-08-17T05:17:27.053", "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": "2026-07-25T10:17:08.330", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/218cfe364b55b2768221629bd4a69ad190b7fbbc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5800647d19d3f1f747fda4dc67e55d6afa6ee119"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b2523f26979e0b5bd1422772176b2233fcd1f6d0"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: i2c: imx-lpi2c: mark I2C adapter when hardware is powered down", "id": "2507032", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2507032"}, "csaw": false, "cwe": "CWE-820", "details": ["A flaw was found in the Linux kernel's i2c: imx-lpi2c driver. During system suspend and resume operations, certain I2C client drivers may attempt to perform I2C transfers while the underlying hardware resources are temporarily unavailable. This can occur because the I2C adapter is not properly marked as suspended, allowing transfers to be initiated at an inappropriate time. The consequence of this vulnerability is a system hang, which can lead to a denial of service."], "name": "CVE-2026-64278", "public_date": "2026-07-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-64278\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-64278\nhttps://lore.kernel.org/linux-cve-announce/2026072501-CVE-2026-64278-9f7c@gregkh/T"]}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1ee867e465c1b0216ec02d4c0d334c4e89919cec,b2523f26979e0b5bd1422772176b2233fcd1f6d0)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1ee867e465c1b0216ec02d4c0d334c4e89919cec,5800647d19d3f1f747fda4dc67e55d6afa6ee119)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1ee867e465c1b0216ec02d4c0d334c4e89919cec,218cfe364b55b2768221629bd4a69ad190b7fbbc)"}}], "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": "generic", "value": "6.14"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.14)"}}, {"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": "semver", "value": "[7.2-rc1,*)"}}], "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": "2026-07-25T11:45:17.632562+00:00", "updated": "2026-08-13T20:00:03.442962+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}