CVE-2026-99075

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-99075", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.389Z", "datePublished": "2026-10-23T12:23:18.830Z", "dateUpdated": "2026-10-23T12:23:18.830Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-23T12:23:18.830Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nrust_binder: reschedule node refcount update on thread exit\n\nWhen a thread exits via BINDER_THREAD_EXIT, its pending work items are\ncancelled. If a thread exits while holding a pending node refcount\nincrement (e.g. pushed as deferred work to that thread), the refcount\nincrement was previously dropped because Node::cancel() and\nNodeWrapper::cancel() were no-ops.\n\nDropping the refcount update leaves the node's delivery state and count\nstate desynchronized, and userspace will not receive the notification,\nwhich can cause the node to never be freed from the process's nodes tree\nwhen all external references are dropped.\n\nFix this by implementing DeliverToRead::cancel() for Node and NodeWrapper\nto move the pending refcount update to the process's work queue on thread\nexit so another thread can deliver it to userspace."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/android/binder/node.rs", "drivers/android/binder/node/wrapper.rs"], "versions": [{"version": "eafedbc7c050c44744fbdf80bdf3315e860b7513", "lessThan": "71cbad138969edecef01b28dff87d91b56db538d", "status": "affected", "versionType": "git"}, {"version": "eafedbc7c050c44744fbdf80bdf3315e860b7513", "lessThan": "fb0f8dfc5a030ed3d60a1d03acdc99c90ee99fc1", "status": "affected", "versionType": "git"}, {"version": "eafedbc7c050c44744fbdf80bdf3315e860b7513", "lessThan": "2a74ccd1bcc170e66525f34e9de8652b57e2cf3d", "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/android/binder/node.rs", "drivers/android/binder/node/wrapper.rs"], "versions": [{"version": "6.18", "status": "affected"}, {"version": "0", "lessThan": "6.18", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.57", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.11", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "6.18", "versionEndExcluding": "6.18.57"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "7.2.11"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/71cbad138969edecef01b28dff87d91b56db538d"}, {"url": "https://git.kernel.org/stable/c/fb0f8dfc5a030ed3d60a1d03acdc99c90ee99fc1"}, {"url": "https://git.kernel.org/stable/c/2a74ccd1bcc170e66525f34e9de8652b57e2cf3d"}], "title": "rust_binder: reschedule node refcount update on thread exit", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/android/binder/node.rs", "drivers/android/binder/node/wrapper.rs"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "71cbad138969edecef01b28dff87d91b56db538d", "status": "affected", "version": "eafedbc7c050c44744fbdf80bdf3315e860b7513", "versionType": "git"}, {"lessThan": "fb0f8dfc5a030ed3d60a1d03acdc99c90ee99fc1", "status": "affected", "version": "eafedbc7c050c44744fbdf80bdf3315e860b7513", "versionType": "git"}, {"lessThan": "2a74ccd1bcc170e66525f34e9de8652b57e2cf3d", "status": "affected", "version": "eafedbc7c050c44744fbdf80bdf3315e860b7513", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/android/binder/node.rs", "drivers/android/binder/node/wrapper.rs"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.18"}, {"lessThan": "6.18", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.57", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.11", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nrust_binder: reschedule node refcount update on thread exit\n\nWhen a thread exits via BINDER_THREAD_EXIT, its pending work items are\ncancelled. If a thread exits while holding a pending node refcount\nincrement (e.g. pushed as deferred work to that thread), the refcount\nincrement was previously dropped because Node::cancel() and\nNodeWrapper::cancel() were no-ops.\n\nDropping the refcount update leaves the node's delivery state and count\nstate desynchronized, and userspace will not receive the notification,\nwhich can cause the node to never be freed from the process's nodes tree\nwhen all external references are dropped.\n\nFix this by implementing DeliverToRead::cancel() for Node and NodeWrapper\nto move the pending refcount update to the process's work queue on thread\nexit so another thread can deliver it to userspace."}], "id": "CVE-2026-99075", "lastModified": "2026-10-23T13:17:31.550", "metrics": {}, "published": "2026-10-23T13:17:31.550", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2a74ccd1bcc170e66525f34e9de8652b57e2cf3d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/71cbad138969edecef01b28dff87d91b56db538d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fb0f8dfc5a030ed3d60a1d03acdc99c90ee99fc1"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: kernel: Denial of Service via memory leak in Rust Binder", "id": "2559831", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2559831"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-911", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nrust_binder: reschedule node refcount update on thread exit\nWhen a thread exits via BINDER_THREAD_EXIT, its pending work items are\ncancelled. If a thread exits while holding a pending node refcount\nincrement (e.g. pushed as deferred work to that thread), the refcount\nincrement was previously dropped because Node::cancel() and\nNodeWrapper::cancel() were no-ops.\nDropping the refcount update leaves the node's delivery state and count\nstate desynchronized, and userspace will not receive the notification,\nwhich can cause the node to never be freed from the process's nodes tree\nwhen all external references are dropped.\nFix this by implementing DeliverToRead::cancel() for Node and NodeWrapper\nto move the pending refcount update to the process's work queue on thread\nexit so another thread can deliver it to userspace.", "A flaw was found in the Linux kernel's Rust Binder driver. When a thread terminates while holding a pending reference count update for an inter-process communication node, the update is improperly dropped instead of being rescheduled. This desynchronizes internal states and prevents userspace from receiving cleanup notifications, preventing affected nodes from being released. A local user could exploit this flaw to cause a kernel memory leak, resulting in a Denial of Service (DoS) due to resource exhaustion."], "name": "CVE-2026-99075", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"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"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-10-23T12:23:18Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-99075\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-99075\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-99075.mbox"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[eafedbc7c050c44744fbdf80bdf3315e860b7513,71cbad138969edecef01b28dff87d91b56db538d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[eafedbc7c050c44744fbdf80bdf3315e860b7513,fb0f8dfc5a030ed3d60a1d03acdc99c90ee99fc1)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[eafedbc7c050c44744fbdf80bdf3315e860b7513,2a74ccd1bcc170e66525f34e9de8652b57e2cf3d)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.18"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.18)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.57,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.11,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3,*]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[eafedbc7c050c44744fbdf80bdf3315e860b7513,71cbad138969edecef01b28dff87d91b56db538d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[eafedbc7c050c44744fbdf80bdf3315e860b7513,fb0f8dfc5a030ed3d60a1d03acdc99c90ee99fc1)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[eafedbc7c050c44744fbdf80bdf3315e860b7513,2a74ccd1bcc170e66525f34e9de8652b57e2cf3d)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.18"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.18)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.57,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.11,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3,*]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-10-23T15:45:16.728205+00:00", "updated": "2026-10-27T09:45:06.904003+00:00", "vendors": ["linux", "linux$PRODUCT$linux", "linux$PRODUCT$linux_kernel"]}