{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-64420", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-19T15:36:31.786Z", "datePublished": "2026-07-25T08:50:59.115Z", "dateUpdated": "2026-07-25T08:50:59.115Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-07-25T08:50:59.115Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmfd: cros_ec: Delay dev_set_drvdata() until probe success\n\nIf ec_device_probe() fails, cros_ec_class_release releases memory for the\ncros_ec_dev structure. However, because the drvdata was already set,\nsub-drivers like cros_ec_typec can still retrieve the stale pointer via the\nplatform device. This leads to a use-after-free when cros_ec_typec attempts\nto access &typec->ec->ec->dev on a device that has already been released.\nMove dev_set_drvdata() to ensure that the pointer is only made available\nonce all initialization steps have succeeded.\n\n sysfs: cannot create duplicate filename '/class/chromeos/cros_ec'\n Call trace:\n sysfs_do_create_link_sd+0x94/0xdc\n sysfs_create_link+0x30/0x44\n device_add_class_symlinks+0x90/0x13c\n device_add+0xf0/0x50c\n ec_device_probe+0x150/0x4f0\n platform_probe+0xa0/0xe0\n ...\n BUG: KASAN: invalid-access in __memcpy+0x44/0x230\n Write at addr f5ffff809e2d33ac by task kworker/u32:5/125\n Pointer tag: [f5], memory tag: [fe]\n Tainted : [W]=WARN, [O]=OOT_MODULE\n Hardware name: Google Navi unprovisioned 0x7FFFFFFF/sku0 board/sku3\n Workqueue: events_unbound deferred_probe_work_func\n Call trace:\n __memcpy+0x44/0x230\n cros_ec_check_features+0x60/0xcc [cros_ec_proto]\n cros_typec_probe+0xe8/0x6e0 [cros_ec_typec]\n platform_probe+0xa0/0xe0"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/mfd/cros_ec_dev.c"], "versions": [{"version": "1c1d152cc5ac3a67d199728a9ba0b4f54a498f8b", "lessThan": "24522713034d521ea4b5f5f36342e2b2f7e73bd6", "status": "affected", "versionType": "git"}, {"version": "1c1d152cc5ac3a67d199728a9ba0b4f54a498f8b", "lessThan": "f7e81dc181d9fe8ab977158042cd193e8cc12091", "status": "affected", "versionType": "git"}, {"version": "1c1d152cc5ac3a67d199728a9ba0b4f54a498f8b", "lessThan": "257203d83204b192d1265a916b42ca0d499bb117", "status": "affected", "versionType": "git"}, {"version": "1c1d152cc5ac3a67d199728a9ba0b4f54a498f8b", "lessThan": "729ae27dc2503a7c1f92da1859efb45da03e4fa0", "status": "affected", "versionType": "git"}, {"version": "1c1d152cc5ac3a67d199728a9ba0b4f54a498f8b", "lessThan": "ed2941e5db016a0c600b25f1972620e6e223d9fa", "status": "affected", "versionType": "git"}, {"version": "1c1d152cc5ac3a67d199728a9ba0b4f54a498f8b", "lessThan": "b5f41d5bf08e7b1b14fa0bd640975e6d78dc006d", "status": "affected", "versionType": "git"}, {"version": "1c1d152cc5ac3a67d199728a9ba0b4f54a498f8b", "lessThan": "fc030c5b116f668d4ca86dca63742ddbc98d1665", "status": "affected", "versionType": "git"}, {"version": "1c1d152cc5ac3a67d199728a9ba0b4f54a498f8b", "lessThan": "8b2c1d41bc36c100b38ce5ee6def246c527eaf8a", "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/mfd/cros_ec_dev.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-rc1", "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-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/24522713034d521ea4b5f5f36342e2b2f7e73bd6"}, {"url": "https://git.kernel.org/stable/c/f7e81dc181d9fe8ab977158042cd193e8cc12091"}, {"url": "https://git.kernel.org/stable/c/257203d83204b192d1265a916b42ca0d499bb117"}, {"url": "https://git.kernel.org/stable/c/729ae27dc2503a7c1f92da1859efb45da03e4fa0"}, {"url": "https://git.kernel.org/stable/c/ed2941e5db016a0c600b25f1972620e6e223d9fa"}, {"url": "https://git.kernel.org/stable/c/b5f41d5bf08e7b1b14fa0bd640975e6d78dc006d"}, {"url": "https://git.kernel.org/stable/c/fc030c5b116f668d4ca86dca63742ddbc98d1665"}, {"url": "https://git.kernel.org/stable/c/8b2c1d41bc36c100b38ce5ee6def246c527eaf8a"}], "title": "mfd: cros_ec: Delay dev_set_drvdata() until probe success", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1c1d152cc5ac3a67d199728a9ba0b4f54a498f8b,24522713034d521ea4b5f5f36342e2b2f7e73bd6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1c1d152cc5ac3a67d199728a9ba0b4f54a498f8b,f7e81dc181d9fe8ab977158042cd193e8cc12091)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1c1d152cc5ac3a67d199728a9ba0b4f54a498f8b,257203d83204b192d1265a916b42ca0d499bb117)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1c1d152cc5ac3a67d199728a9ba0b4f54a498f8b,729ae27dc2503a7c1f92da1859efb45da03e4fa0)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1c1d152cc5ac3a67d199728a9ba0b4f54a498f8b,ed2941e5db016a0c600b25f1972620e6e223d9fa)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1c1d152cc5ac3a67d199728a9ba0b4f54a498f8b,b5f41d5bf08e7b1b14fa0bd640975e6d78dc006d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1c1d152cc5ac3a67d199728a9ba0b4f54a498f8b,fc030c5b116f668d4ca86dca63742ddbc98d1665)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1c1d152cc5ac3a67d199728a9ba0b4f54a498f8b,8b2c1d41bc36c100b38ce5ee6def246c527eaf8a)"}}], "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": "4.12"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "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-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": "2026-07-25T18:30:17.014607+00:00", "updated": "2026-07-25T18:30:17.014647+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}