{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-80678",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-08-26T14:34:25.783Z",
        "datePublished": "2026-08-28T06:52:47.077Z",
        "dateUpdated": "2026-08-28T06:52:47.077Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-28T06:52:47.077Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: imx: Fix slave registration race and error handling\n\nIn i2c_imx_reg_slave(), the slave pointer was assigned before\npm_runtime_resume_and_get().  If pm_runtime_resume_and_get() failed,\nthe error path returned without clearing i2c_imx->slave, leaving it\nnon-NULL and causing all subsequent registration attempts to fail\nwith -EBUSY.\n\nAdditionally, because this driver uses a shared IRQ, the interrupt\nhandler i2c_imx_isr() can execute concurrently and, after acquiring\nslave_lock, dereference i2c_imx->slave.  The previous fix attempt\nadded a lockless i2c_imx->slave = NULL on the error path, but that\ncould race with the ISR under the lock and still cause a NULL pointer\ndereference.\n\nFix both issues by deferring the assignment of i2c_imx->slave and\ni2c_imx->last_slave_event to after a successful resume, and by\nperforming the assignment inside the slave_lock critical section.\nThis guarantees that the slave pointer is never left stale on the\nerror path and is always valid when observed by the interrupt handler."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/i2c/busses/i2c-imx.c"
                    ],
                    "versions": [
                        {
                            "version": "f7414cd6923fd7f78e57086fc964ba2dc25db5c1",
                            "lessThan": "754bc62f72fd64b202462367134ac8ce95b005de",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f7414cd6923fd7f78e57086fc964ba2dc25db5c1",
                            "lessThan": "cfdf6e13518589f911b7eace6ccb788e4ed87397",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f7414cd6923fd7f78e57086fc964ba2dc25db5c1",
                            "lessThan": "b9f6f4883b9ac86654e75899d0dbf8a7a96ad5d8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f7414cd6923fd7f78e57086fc964ba2dc25db5c1",
                            "lessThan": "d6748f6802f3eebafaa16a5e5dcfbfb9b3bc173f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f7414cd6923fd7f78e57086fc964ba2dc25db5c1",
                            "lessThan": "12a4f0950a158d98552cbaeacc35edccd8d975fa",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f7414cd6923fd7f78e57086fc964ba2dc25db5c1",
                            "lessThan": "614ca6594e301ff682999797c2216e9685558a2b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f7414cd6923fd7f78e57086fc964ba2dc25db5c1",
                            "lessThan": "d64ec362c369bbc33833f7936d5f3a706b0d5c45",
                            "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/i2c/busses/i2c-imx.c"
                    ],
                    "versions": [
                        {
                            "version": "5.11",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.11",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.217",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.183",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.151",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.103",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.44",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.8",
                            "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": "5.11",
                                    "versionEndExcluding": "5.15.217"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.11",
                                    "versionEndExcluding": "6.1.183"
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                                },
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                    "versionEndExcluding": "6.12.103"
                                },
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                                    "versionStartIncluding": "5.11",
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                                    "versionStartIncluding": "5.11",
                                    "versionEndExcluding": "7.1.8"
                                },
                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.11",
                                    "versionEndExcluding": "7.2"
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            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/754bc62f72fd64b202462367134ac8ce95b005de"
                },
                {
                    "url": "https://git.kernel.org/stable/c/cfdf6e13518589f911b7eace6ccb788e4ed87397"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b9f6f4883b9ac86654e75899d0dbf8a7a96ad5d8"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d6748f6802f3eebafaa16a5e5dcfbfb9b3bc173f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/12a4f0950a158d98552cbaeacc35edccd8d975fa"
                },
                {
                    "url": "https://git.kernel.org/stable/c/614ca6594e301ff682999797c2216e9685558a2b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d64ec362c369bbc33833f7936d5f3a706b0d5c45"
                }
            ],
            "title": "i2c: imx: Fix slave registration race and error handling",
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}