{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-47748","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-09-30T16:00:12.960Z","datePublished":"2024-10-21T12:14:14.448Z","dateUpdated":"2025-11-03T22:21:42.762Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T09:39:01.429Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nvhost_vdpa: assign irq bypass producer token correctly\n\nWe used to call irq_bypass_unregister_producer() in\nvhost_vdpa_setup_vq_irq() which is problematic as we don't know if the\ntoken pointer is still valid or not.\n\nActually, we use the eventfd_ctx as the token so the life cycle of the\ntoken should be bound to the VHOST_SET_VRING_CALL instead of\nvhost_vdpa_setup_vq_irq() which could be called by set_status().\n\nFixing this by setting up irq bypass producer's token when handling\nVHOST_SET_VRING_CALL and un-registering the producer before calling\nvhost_vring_ioctl() to prevent a possible use after free as eventfd\ncould have been released in vhost_vring_ioctl(). And such registering\nand unregistering will only be done if DRIVER_OK is set."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/vhost/vdpa.c"],"versions":[{"version":"2cf1ba9a4d15cb78b96ea97f727b93382c3f9a60","lessThan":"0c170b1e918b9afac25e2bbd01eaa2bfc0ece8c0","status":"affected","versionType":"git"},{"version":"2cf1ba9a4d15cb78b96ea97f727b93382c3f9a60","lessThan":"927a2580208e0f9b0b47b08f1c802b7233a7ba3c","status":"affected","versionType":"git"},{"version":"2cf1ba9a4d15cb78b96ea97f727b93382c3f9a60","lessThan":"ec5f1b54ceb23475049ada6e7a43452cf4df88d1","status":"affected","versionType":"git"},{"version":"2cf1ba9a4d15cb78b96ea97f727b93382c3f9a60","lessThan":"ca64edd7ae93402af2596a952e0d94d545e2b9c0","status":"affected","versionType":"git"},{"version":"2cf1ba9a4d15cb78b96ea97f727b93382c3f9a60","lessThan":"fae9b1776f53aab93ab345bdbf653b991aed717d","status":"affected","versionType":"git"},{"version":"2cf1ba9a4d15cb78b96ea97f727b93382c3f9a60","lessThan":"7cf2fb51175cafe01df8c43fa15a06194a59c6e2","status":"affected","versionType":"git"},{"version":"2cf1ba9a4d15cb78b96ea97f727b93382c3f9a60","lessThan":"02e9e9366fefe461719da5d173385b6685f70319","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/vhost/vdpa.c"],"versions":[{"version":"5.9","status":"affected"},{"version":"0","lessThan":"5.9","status":"unaffected","versionType":"semver"},{"version":"5.10.227","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.168","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.113","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.54","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.10.13","lessThanOrEqual":"6.10.*","status":"unaffected","versionType":"semver"},{"version":"6.11.2","lessThanOrEqual":"6.11.*","status":"unaffected","versionType":"semver"},{"version":"6.12","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":"5.9","versionEndExcluding":"5.10.227"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","versionEndExcluding":"5.15.168"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","versionEndExcluding":"6.1.113"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","versionEndExcluding":"6.6.54"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","versionEndExcluding":"6.10.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","versionEndExcluding":"6.11.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","versionEndExcluding":"6.12"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/0c170b1e918b9afac25e2bbd01eaa2bfc0ece8c0"},{"url":"https://git.kernel.org/stable/c/927a2580208e0f9b0b47b08f1c802b7233a7ba3c"},{"url":"https://git.kernel.org/stable/c/ec5f1b54ceb23475049ada6e7a43452cf4df88d1"},{"url":"https://git.kernel.org/stable/c/ca64edd7ae93402af2596a952e0d94d545e2b9c0"},{"url":"https://git.kernel.org/stable/c/fae9b1776f53aab93ab345bdbf653b991aed717d"},{"url":"https://git.kernel.org/stable/c/7cf2fb51175cafe01df8c43fa15a06194a59c6e2"},{"url":"https://git.kernel.org/stable/c/02e9e9366fefe461719da5d173385b6685f70319"}],"title":"vhost_vdpa: assign irq bypass producer token correctly","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2024-47748","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-10-21T12:58:17.248658Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-10-21T13:04:13.447Z"}},{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"},{"url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T22:21:42.762Z"}}]}}