{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "cveId": "CVE-2024-39495", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-06-25T14:23:23.751Z", "datePublished": "2024-07-12T12:20:31.022Z", "dateUpdated": "2024-08-20T14:16:51.245Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-07-15T06:50:39.390Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ngreybus: Fix use-after-free bug in gb_interface_release due to race condition.\n\nIn gb_interface_create, &intf->mode_switch_completion is bound with\ngb_interface_mode_switch_work. Then it will be started by\ngb_interface_request_mode_switch. Here is the relevant code.\nif (!queue_work(system_long_wq, &intf->mode_switch_work)) {\n\t...\n}\n\nIf we call gb_interface_release to make cleanup, there may be an\nunfinished work. This function will call kfree to free the object\n\"intf\". However, if gb_interface_mode_switch_work is scheduled to\nrun after kfree, it may cause use-after-free error as\ngb_interface_mode_switch_work will use the object \"intf\".\nThe possible execution flow that may lead to the issue is as follows:\n\nCPU0 CPU1\n\n | gb_interface_create\n | gb_interface_request_mode_switch\ngb_interface_release |\nkfree(intf) (free) |\n | gb_interface_mode_switch_work\n | mutex_lock(&intf->mutex) (use)\n\nFix it by canceling the work before kfree." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/greybus/interface.c" ], "versions": [ { "version": "1da177e4c3f4", "lessThan": "74cd0a421896", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f4", "lessThan": "2b6bb0b4abfd", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f4", "lessThan": "fb071f5c75d4", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f4", "lessThan": "9a733d69a4a5", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f4", "lessThan": "0b8fba38bdfb", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f4", "lessThan": "03ea2b129344", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f4", "lessThan": "5c9c5d7f26ac", "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/greybus/interface.c" ], "versions": [ { "version": "5.4.279", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.10.221", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.15.162", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.1.95", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.6.35", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.9.6", "lessThanOrEqual": "6.9.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.10", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/74cd0a421896b2e07eafe7da4275302bfecef201" }, { "url": "https://git.kernel.org/stable/c/2b6bb0b4abfd79b8698ee161bb73c0936a2aaf83" }, { "url": "https://git.kernel.org/stable/c/fb071f5c75d4b1c177824de74ee75f9dd34123b9" }, { "url": "https://git.kernel.org/stable/c/9a733d69a4a59c2d08620e6589d823c24be773dc" }, { "url": "https://git.kernel.org/stable/c/0b8fba38bdfb848fac52e71270b2aa3538c996ea" }, { "url": "https://git.kernel.org/stable/c/03ea2b129344152157418929f06726989efc0445" }, { "url": "https://git.kernel.org/stable/c/5c9c5d7f26acc2c669c1dcf57d1bb43ee99220ce" } ], "title": "greybus: Fix use-after-free bug in gb_interface_release due to race condition.", "x_generator": { "engine": "bippy-c9c4e1df01b2" } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T04:26:15.499Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/74cd0a421896b2e07eafe7da4275302bfecef201", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/2b6bb0b4abfd79b8698ee161bb73c0936a2aaf83", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/fb071f5c75d4b1c177824de74ee75f9dd34123b9", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/9a733d69a4a59c2d08620e6589d823c24be773dc", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/0b8fba38bdfb848fac52e71270b2aa3538c996ea", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/03ea2b129344152157418929f06726989efc0445", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/5c9c5d7f26acc2c669c1dcf57d1bb43ee99220ce", "tags": [ "x_transferred" ] } ] }, { "problemTypes": [ { "descriptions": [ { "type": "CWE", "cweId": "CWE-416", "lang": "en", "description": "CWE-416 Use After Free" } ] } ], "affected": [ { "vendor": "linux", "product": "linux_kernel", "cpes": [ "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*" ], "defaultStatus": "unaffected", "versions": [ { "version": "0", "status": "affected", "lessThan": "74cd0a421896", "versionType": "git" }, { "version": "1da177e4c3f4", "status": "affected", "lessThan": "2b6bb0b4abfd", "versionType": "git" }, { "version": "1da177e4c3f4", "status": "affected", "lessThan": "fb071f5c75d4", "versionType": "git" }, { "version": "1da177e4c3f4", "status": "affected", "lessThan": "9a733d69a4a5", "versionType": "git" }, { "version": "1da177e4c3f4", "status": "affected", "lessThan": "0b8fba38bdfb", "versionType": "git" }, { "version": "1da177e4c3f4", "status": "affected", "lessThan": "03ea2b129344", "versionType": "git" }, { "version": "1da177e4c3f4", "status": "affected", "lessThan": "5c9c5d7f26ac", "versionType": "git" } ] } ], "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": { "timestamp": "2024-08-16T04:02:11.550513Z", "id": "CVE-2024-39495", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-08-20T14:16:51.245Z" } } ] } }