{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-50269", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-10-21T19:36:19.982Z", "datePublished": "2024-11-19T01:30:06.910Z", "dateUpdated": "2024-12-19T09:36:57.569Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-12-19T09:36:57.569Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: musb: sunxi: Fix accessing an released usb phy\n\nCommit 6ed05c68cbca (\"usb: musb: sunxi: Explicitly release USB PHY on\nexit\") will cause that usb phy @glue->xceiv is accessed after released.\n\n1) register platform driver @sunxi_musb_driver\n// get the usb phy @glue->xceiv\nsunxi_musb_probe() -> devm_usb_get_phy().\n\n2) register and unregister platform driver @musb_driver\nmusb_probe() -> sunxi_musb_init()\nuse the phy here\n//the phy is released here\nmusb_remove() -> sunxi_musb_exit() -> devm_usb_put_phy()\n\n3) register @musb_driver again\nmusb_probe() -> sunxi_musb_init()\nuse the phy here but the phy has been released at 2).\n...\n\nFixed by reverting the commit, namely, removing devm_usb_put_phy()\nfrom sunxi_musb_exit()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/usb/musb/sunxi.c"], "versions": [{"version": "6ed05c68cbcae42cd52b8e53b66952bfa9c002ce", "lessThan": "721ddad945596220c123eb6f7126729fe277ee4f", "status": "affected", "versionType": "git"}, {"version": "6ed05c68cbcae42cd52b8e53b66952bfa9c002ce", "lessThan": "4aa77d5ea9944468e16c3eed15e858fd5de44de1", "status": "affected", "versionType": "git"}, {"version": "6ed05c68cbcae42cd52b8e53b66952bfa9c002ce", "lessThan": "6e2848d1c8c0139161e69ac0a94133e90e9988e8", "status": "affected", "versionType": "git"}, {"version": "6ed05c68cbcae42cd52b8e53b66952bfa9c002ce", "lessThan": "63559ba8077cbadae1c92a65b73ea522bf377dd9", "status": "affected", "versionType": "git"}, {"version": "6ed05c68cbcae42cd52b8e53b66952bfa9c002ce", "lessThan": "ccd811c304d2ee56189bfbc49302cb3c44361893", "status": "affected", "versionType": "git"}, {"version": "6ed05c68cbcae42cd52b8e53b66952bfa9c002ce", "lessThan": "8a30da5aa9609663b3e05bcc91a916537f66a4cd", "status": "affected", "versionType": "git"}, {"version": "6ed05c68cbcae42cd52b8e53b66952bfa9c002ce", "lessThan": "b08baa75b989cf779cbfa0969681f8ba2dc46569", "status": "affected", "versionType": "git"}, {"version": "6ed05c68cbcae42cd52b8e53b66952bfa9c002ce", "lessThan": "498dbd9aea205db9da674994b74c7bf8e18448bd", "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/usb/musb/sunxi.c"], "versions": [{"version": "4.14", "status": "affected"}, {"version": "0", "lessThan": "4.14", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.324", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.286", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.230", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.172", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.117", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.61", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.11.8", "lessThanOrEqual": "6.11.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/721ddad945596220c123eb6f7126729fe277ee4f"}, {"url": "https://git.kernel.org/stable/c/4aa77d5ea9944468e16c3eed15e858fd5de44de1"}, {"url": "https://git.kernel.org/stable/c/6e2848d1c8c0139161e69ac0a94133e90e9988e8"}, {"url": "https://git.kernel.org/stable/c/63559ba8077cbadae1c92a65b73ea522bf377dd9"}, {"url": "https://git.kernel.org/stable/c/ccd811c304d2ee56189bfbc49302cb3c44361893"}, {"url": "https://git.kernel.org/stable/c/8a30da5aa9609663b3e05bcc91a916537f66a4cd"}, {"url": "https://git.kernel.org/stable/c/b08baa75b989cf779cbfa0969681f8ba2dc46569"}, {"url": "https://git.kernel.org/stable/c/498dbd9aea205db9da674994b74c7bf8e18448bd"}], "title": "usb: musb: sunxi: Fix accessing an released usb phy", "x_generator": {"engine": "bippy-5f407fcff5a0"}}}}

{}

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Commit 6ed05c68cbca (\"usb: musb: sunxi: Liberar expl\u00edcitamente USB PHY al salir\") provocar\u00e1 que se acceda al usb phy @glue->xceiv despu\u00e9s de su liberaci\u00f3n. 1) registrar el controlador de la plataforma @sunxi_musb_driver // obtener el usb phy @glue->xceiv sunxi_musb_probe() -> devm_usb_get_phy(). 2) registrar y anular el registro del controlador de la plataforma @musb_driver musb_probe() -> sunxi_musb_init() usa el phy aqu\u00ed //el phy se publica aqu\u00ed musb_remove() -> sunxi_musb_exit() -> devm_usb_put_phy() 3) registrar @musb_driver nuevamente musb_probe() -> sunxi_musb_init() usa el phy aqu\u00ed pero el phy se ha publicado en 2). ... Se solucion\u00f3 revirtiendo el commit, es decir, eliminando devm_usb_put_phy() de sunxi_musb_exit()."}], "id": "CVE-2024-50269", "lastModified": "2024-11-26T22:30:27.420", "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": "nvd@nist.gov", "type": "Primary"}]}, "published": "2024-11-19T02:16:28.930", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/498dbd9aea205db9da674994b74c7bf8e18448bd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4aa77d5ea9944468e16c3eed15e858fd5de44de1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/63559ba8077cbadae1c92a65b73ea522bf377dd9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6e2848d1c8c0139161e69ac0a94133e90e9988e8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/721ddad945596220c123eb6f7126729fe277ee4f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8a30da5aa9609663b3e05bcc91a916537f66a4cd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b08baa75b989cf779cbfa0969681f8ba2dc46569"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ccd811c304d2ee56189bfbc49302cb3c44361893"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: usb: musb: sunxi: Fix accessing an released usb phy", "id": "2327177", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2327177"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-416", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nusb: musb: sunxi: Fix accessing an released usb phy\nCommit 6ed05c68cbca (\"usb: musb: sunxi: Explicitly release USB PHY on\nexit\") will cause that usb phy @glue->xceiv is accessed after released.\n1) register platform driver @sunxi_musb_driver\n// get the usb phy @glue->xceiv\nsunxi_musb_probe() -> devm_usb_get_phy().\n2) register and unregister platform driver @musb_driver\nmusb_probe() -> sunxi_musb_init()\nuse the phy here\n//the phy is released here\nmusb_remove() -> sunxi_musb_exit() -> devm_usb_put_phy()\n3) register @musb_driver again\nmusb_probe() -> sunxi_musb_init()\nuse the phy here but the phy has been released at 2).\n...\nFixed by reverting the commit, namely, removing devm_usb_put_phy()\nfrom sunxi_musb_exit()."], "name": "CVE-2024-50269", "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": "2024-11-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-50269\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-50269\nhttps://lore.kernel.org/linux-cve-announce/2024111926-CVE-2024-50269-830b@gregkh/T"], "threat_severity": "Important"}