{"dataType":"CVE_RECORD","dataVersion":"5.2","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":"2026-01-05T10:36:47.683Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-01-05T10:36:47.683Z"},"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":"55742d2a071a569bf20f90d37b1b5b8a25a3f882","lessThan":"74cd0a421896b2e07eafe7da4275302bfecef201","status":"affected","versionType":"git"},{"version":"55742d2a071a569bf20f90d37b1b5b8a25a3f882","lessThan":"2b6bb0b4abfd79b8698ee161bb73c0936a2aaf83","status":"affected","versionType":"git"},{"version":"55742d2a071a569bf20f90d37b1b5b8a25a3f882","lessThan":"fb071f5c75d4b1c177824de74ee75f9dd34123b9","status":"affected","versionType":"git"},{"version":"55742d2a071a569bf20f90d37b1b5b8a25a3f882","lessThan":"9a733d69a4a59c2d08620e6589d823c24be773dc","status":"affected","versionType":"git"},{"version":"55742d2a071a569bf20f90d37b1b5b8a25a3f882","lessThan":"0b8fba38bdfb848fac52e71270b2aa3538c996ea","status":"affected","versionType":"git"},{"version":"55742d2a071a569bf20f90d37b1b5b8a25a3f882","lessThan":"03ea2b129344152157418929f06726989efc0445","status":"affected","versionType":"git"},{"version":"55742d2a071a569bf20f90d37b1b5b8a25a3f882","lessThan":"5c9c5d7f26acc2c669c1dcf57d1bb43ee99220ce","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":"4.9","status":"affected"},{"version":"0","lessThan":"4.9","status":"unaffected","versionType":"semver"},{"version":"5.4.279","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.221","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.162","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.95","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.35","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.9.6","lessThanOrEqual":"6.9.*","status":"unaffected","versionType":"semver"},{"version":"6.10","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":"4.9","versionEndExcluding":"5.4.279"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"5.10.221"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"5.15.162"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"6.1.95"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"6.6.35"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"6.9.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"6.10"}]}]}],"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-1.2.0"}},"adp":[{"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"]},{"url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T21:56:12.660Z"}},{"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"}}]}}