{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-74605", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-15T05:44:03.919Z", "datePublished": "2026-08-22T15:31:53.063Z", "dateUpdated": "2026-08-22T15:31:53.063Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-22T15:31:53.063Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\neventfs: Use children field for rcu head and add memory barriers\n\nWhen an eventfs inode is freed, it sets ei->is_freed and then uses its\nei->list to add it to the srcu link list as the list field is a union with\nthe rcu list head. As the ei->list is used to iterate over an SRCU\nprotected list without taking the eventfs_mutex, there's nothing stopping\nthe iteration over that list to see the ei->rcu instead of the ei->list\nand it will read a corrupt target.\n\nTo fix this, change the union of the rcu list head with the children list.\nOn freeing the eventfs inode, set the is_free and execute a smp_wmb()\nbefore adding the eventfs inode to the SRCU list.\n\nOn iteration of the ei->children list, at the start, execute a smp_rmb()\nand then read the is_freed of the ei to see if the children list is still\nvalid. If is_freed is set, then the ei_child read is not valid and the\nloop should exit immediately."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/tracefs/event_inode.c", "fs/tracefs/internal.h"], "versions": [{"version": "704f960dbee2f1634f4b4e16f208cb16eaf41c1e", "lessThan": "004f7232e49730448f91665e76bdd7dff8e0c638", "status": "affected", "versionType": "git"}, {"version": "704f960dbee2f1634f4b4e16f208cb16eaf41c1e", "lessThan": "f0ece16ffca7384787b692431961ce202907acf5", "status": "affected", "versionType": "git"}, {"version": "f3f41f444b321ec393edbc251e024fd62658ce55", "status": "affected", "versionType": "git"}, {"version": "305c4e4d80aca2c2d9cf2ebdea56e2eca6d3a6aa", "status": "affected", "versionType": "git"}, {"version": "6.6.18", "lessThan": "6.7", "status": "affected", "versionType": "semver"}, {"version": "6.7.6", "lessThan": "6.8", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/tracefs/event_inode.c", "fs/tracefs/internal.h"], "versions": [{"version": "6.8", "status": "affected"}, {"version": "0", "lessThan": "6.8", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.9", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "6.8", "versionEndExcluding": "7.1.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8", "versionEndExcluding": "7.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6.18"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7.6"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/004f7232e49730448f91665e76bdd7dff8e0c638"}, {"url": "https://git.kernel.org/stable/c/f0ece16ffca7384787b692431961ce202907acf5"}], "title": "eventfs: Use children field for rcu head and add memory barriers", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["fs/tracefs/event_inode.c", "fs/tracefs/internal.h"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "004f7232e49730448f91665e76bdd7dff8e0c638", "status": "affected", "version": "704f960dbee2f1634f4b4e16f208cb16eaf41c1e", "versionType": "git"}, {"lessThan": "f0ece16ffca7384787b692431961ce202907acf5", "status": "affected", "version": "704f960dbee2f1634f4b4e16f208cb16eaf41c1e", "versionType": "git"}, {"status": "affected", "version": "f3f41f444b321ec393edbc251e024fd62658ce55", "versionType": "git"}, {"status": "affected", "version": "305c4e4d80aca2c2d9cf2ebdea56e2eca6d3a6aa", "versionType": "git"}, {"lessThan": "6.7", "status": "affected", "version": "6.6.18", "versionType": "semver"}, {"lessThan": "6.8", "status": "affected", "version": "6.7.6", "versionType": "semver"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["fs/tracefs/event_inode.c", "fs/tracefs/internal.h"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.8"}, {"lessThan": "6.8", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.9", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "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\neventfs: Use children field for rcu head and add memory barriers\n\nWhen an eventfs inode is freed, it sets ei->is_freed and then uses its\nei->list to add it to the srcu link list as the list field is a union with\nthe rcu list head. As the ei->list is used to iterate over an SRCU\nprotected list without taking the eventfs_mutex, there's nothing stopping\nthe iteration over that list to see the ei->rcu instead of the ei->list\nand it will read a corrupt target.\n\nTo fix this, change the union of the rcu list head with the children list.\nOn freeing the eventfs inode, set the is_free and execute a smp_wmb()\nbefore adding the eventfs inode to the SRCU list.\n\nOn iteration of the ei->children list, at the start, execute a smp_rmb()\nand then read the is_freed of the ei to see if the children list is still\nvalid. If is_freed is set, then the ei_child read is not valid and the\nloop should exit immediately."}], "id": "CVE-2026-74605", "lastModified": "2026-08-22T16:16:32.977", "metrics": {}, "published": "2026-08-22T16:16:32.977", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/004f7232e49730448f91665e76bdd7dff8e0c638"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f0ece16ffca7384787b692431961ce202907acf5"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[704f960dbee2f1634f4b4e16f208cb16eaf41c1e,004f7232e49730448f91665e76bdd7dff8e0c638)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[704f960dbee2f1634f4b4e16f208cb16eaf41c1e,f0ece16ffca7384787b692431961ce202907acf5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f3f41f444b321ec393edbc251e024fd62658ce55,*]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[305c4e4d80aca2c2d9cf2ebdea56e2eca6d3a6aa,*]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.6.18,6.7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.7.6,6.8)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.8,*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.8)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1.9,7.1.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-08-22T17:30:02.703011+00:00", "updated": "2026-08-22T19:15:03.631351+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-416", "CWE-362"]}