{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-49711", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-02-26T02:21:30.444Z", "datePublished": "2025-02-26T02:24:28.224Z", "dateUpdated": "2025-02-27T18:22:30.635Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-02-26T02:24:28.224Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbus: fsl-mc-bus: fix KASAN use-after-free in fsl_mc_bus_remove()\n\nIn fsl_mc_bus_remove(), mc->root_mc_bus_dev->mc_io is passed to\nfsl_destroy_mc_io(). However, mc->root_mc_bus_dev is already freed in\nfsl_mc_device_remove(). Then reference to mc->root_mc_bus_dev->mc_io\ntriggers KASAN use-after-free. To avoid the use-after-free, keep the\nreference to mc->root_mc_bus_dev->mc_io in a local variable and pass to\nfsl_destroy_mc_io().\n\nThis patch needs rework to apply to kernels older than v5.15."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/bus/fsl-mc/fsl-mc-bus.c"], "versions": [{"version": "f93627146f0e371093966ed3d44c065aa077cfb1", "lessThan": "ccd1751092341ac120a961835211f9f2e3735963", "status": "affected", "versionType": "git"}, {"version": "f93627146f0e371093966ed3d44c065aa077cfb1", "lessThan": "161b68b0a728377aaa10a8e14c70e7734f3c9ff7", "status": "affected", "versionType": "git"}, {"version": "f93627146f0e371093966ed3d44c065aa077cfb1", "lessThan": "928ea98252ad75118950941683893cf904541da9", "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/bus/fsl-mc/fsl-mc-bus.c"], "versions": [{"version": "4.8", "status": "affected"}, {"version": "0", "lessThan": "4.8", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.49", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.18.6", "lessThanOrEqual": "5.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.19", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/ccd1751092341ac120a961835211f9f2e3735963"}, {"url": "https://git.kernel.org/stable/c/161b68b0a728377aaa10a8e14c70e7734f3c9ff7"}, {"url": "https://git.kernel.org/stable/c/928ea98252ad75118950941683893cf904541da9"}], "title": "bus: fsl-mc-bus: fix KASAN use-after-free in fsl_mc_bus_remove()", "x_generator": {"engine": "bippy-5f407fcff5a0"}}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2022-49711", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-02-27T18:14:53.258258Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-416", "description": "CWE-416 Use After Free"}]}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-02-27T18:22:30.635Z"}}]}}

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-49711", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-02-26T02:21:30.444Z", "datePublished": "2025-02-26T02:24:28.224Z", "dateUpdated": "2025-02-27T18:22:30.635Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-02-26T02:24:28.224Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbus: fsl-mc-bus: fix KASAN use-after-free in fsl_mc_bus_remove()\n\nIn fsl_mc_bus_remove(), mc->root_mc_bus_dev->mc_io is passed to\nfsl_destroy_mc_io(). However, mc->root_mc_bus_dev is already freed in\nfsl_mc_device_remove(). Then reference to mc->root_mc_bus_dev->mc_io\ntriggers KASAN use-after-free. To avoid the use-after-free, keep the\nreference to mc->root_mc_bus_dev->mc_io in a local variable and pass to\nfsl_destroy_mc_io().\n\nThis patch needs rework to apply to kernels older than v5.15."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/bus/fsl-mc/fsl-mc-bus.c"], "versions": [{"version": "f93627146f0e371093966ed3d44c065aa077cfb1", "lessThan": "ccd1751092341ac120a961835211f9f2e3735963", "status": "affected", "versionType": "git"}, {"version": "f93627146f0e371093966ed3d44c065aa077cfb1", "lessThan": "161b68b0a728377aaa10a8e14c70e7734f3c9ff7", "status": "affected", "versionType": "git"}, {"version": "f93627146f0e371093966ed3d44c065aa077cfb1", "lessThan": "928ea98252ad75118950941683893cf904541da9", "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/bus/fsl-mc/fsl-mc-bus.c"], "versions": [{"version": "4.8", "status": "affected"}, {"version": "0", "lessThan": "4.8", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.49", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.18.6", "lessThanOrEqual": "5.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.19", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/ccd1751092341ac120a961835211f9f2e3735963"}, {"url": "https://git.kernel.org/stable/c/161b68b0a728377aaa10a8e14c70e7734f3c9ff7"}, {"url": "https://git.kernel.org/stable/c/928ea98252ad75118950941683893cf904541da9"}], "title": "bus: fsl-mc-bus: fix KASAN use-after-free in fsl_mc_bus_remove()", "x_generator": {"engine": "bippy-5f407fcff5a0"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2022-49711", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-02-27T18:14:53.258258Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-416", "description": "CWE-416 Use After Free"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-02-27T18:14:54.495Z"}}]}}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "3E725C36-556D-45F1-9140-84626556BEC6", "versionEndExcluding": "5.15.49", "versionStartIncluding": "4.8", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "CDD33A19-B51E-4090-A47B-073098916815", "versionEndExcluding": "5.18.6", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:*", "matchCriteriaId": "A8C30C2D-F82D-4D37-AB48-D76ABFBD5377", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.19:rc2:*:*:*:*:*:*", "matchCriteriaId": "BF8547FC-C849-4F1B-804B-A93AE2F04A92", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbus: fsl-mc-bus: fix KASAN use-after-free in fsl_mc_bus_remove()\n\nIn fsl_mc_bus_remove(), mc->root_mc_bus_dev->mc_io is passed to\nfsl_destroy_mc_io(). However, mc->root_mc_bus_dev is already freed in\nfsl_mc_device_remove(). Then reference to mc->root_mc_bus_dev->mc_io\ntriggers KASAN use-after-free. To avoid the use-after-free, keep the\nreference to mc->root_mc_bus_dev->mc_io in a local variable and pass to\nfsl_destroy_mc_io().\n\nThis patch needs rework to apply to kernels older than v5.15."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: bus: fsl-mc-bus: arregla el use-after-free de KASAN en fsl_mc_bus_remove() En fsl_mc_bus_remove(), mc->root_mc_bus_dev->mc_io se pasa a fsl_destroy_mc_io(). Sin embargo, mc->root_mc_bus_dev ya est\u00e1 liberado en fsl_mc_device_remove(). Entonces, la referencia a mc->root_mc_bus_dev->mc_io activa el use-after-free de KASAN. Para evitar el use-after-free, mant\u00e9n la referencia a mc->root_mc_bus_dev->mc_io en una variable local y p\u00e1sala a fsl_destroy_mc_io(). Este parche necesita ser redise\u00f1ado para que se aplique a kernels anteriores a la v5.15."}], "id": "CVE-2022-49711", "lastModified": "2025-03-24T19:28:55.660", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2025-02-26T07:01:46.893", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/161b68b0a728377aaa10a8e14c70e7734f3c9ff7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/928ea98252ad75118950941683893cf904541da9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ccd1751092341ac120a961835211f9f2e3735963"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: bus: fsl-mc-bus: fix KASAN use-after-free in fsl_mc_bus_remove()", "id": "2347708", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2347708"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nbus: fsl-mc-bus: fix KASAN use-after-free in fsl_mc_bus_remove()\nIn fsl_mc_bus_remove(), mc->root_mc_bus_dev->mc_io is passed to\nfsl_destroy_mc_io(). However, mc->root_mc_bus_dev is already freed in\nfsl_mc_device_remove(). Then reference to mc->root_mc_bus_dev->mc_io\ntriggers KASAN use-after-free. To avoid the use-after-free, keep the\nreference to mc->root_mc_bus_dev->mc_io in a local variable and pass to\nfsl_destroy_mc_io().\nThis patch needs rework to apply to kernels older than v5.15."], "name": "CVE-2022-49711", "package_state": [{"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": "2025-02-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49711\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49711\nhttps://lore.kernel.org/linux-cve-announce/2025022631-CVE-2022-49711-3cab@gregkh/T"], "threat_severity": "Moderate"}