{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43106", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-01T14:12:55.986Z", "datePublished": "2026-05-06T07:40:34.365Z", "dateUpdated": "2026-05-06T07:40:34.365Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-06T07:40:34.365Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncachefiles: fix incorrect dentry refcount in cachefiles_cull()\n\nThe patch mentioned below changed cachefiles_bury_object() to expect 2\nreferences to the 'rep' dentry. Three of the callers were changed to\nuse start_removing_dentry() which takes an extra reference so in those\ncases the call gets the expected references.\n\nHowever there is another call to cachefiles_bury_object() in\ncachefiles_cull() which did not need to be changed to use\nstart_removing_dentry() and so was not properly considered.\nIt still passed the dentry with just one reference so the net result is\nthat a reference is lost.\n\nTo meet the expectations of cachefiles_bury_object(), cachefiles_cull()\nmust take an extra reference before the call. It will be dropped by\ncachefiles_bury_object()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/cachefiles/namei.c"], "versions": [{"version": "7bb1eb45e43c4730cbc5a48b9e9295049fccdacb", "lessThan": "6577df7dc7a7de128442b6192c7a32195c923480", "status": "affected", "versionType": "git"}, {"version": "7bb1eb45e43c4730cbc5a48b9e9295049fccdacb", "lessThan": "1635c2acdde86c4f555b627aec873c8677c421ed", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/cachefiles/namei.c"], "versions": [{"version": "6.19", "status": "affected"}, {"version": "0", "lessThan": "6.19", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.14", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "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": "6.19", "versionEndExcluding": "6.19.14"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.19", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/6577df7dc7a7de128442b6192c7a32195c923480"}, {"url": "https://git.kernel.org/stable/c/1635c2acdde86c4f555b627aec873c8677c421ed"}], "title": "cachefiles: fix incorrect dentry refcount in cachefiles_cull()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncachefiles: fix incorrect dentry refcount in cachefiles_cull()\n\nThe patch mentioned below changed cachefiles_bury_object() to expect 2\nreferences to the 'rep' dentry. Three of the callers were changed to\nuse start_removing_dentry() which takes an extra reference so in those\ncases the call gets the expected references.\n\nHowever there is another call to cachefiles_bury_object() in\ncachefiles_cull() which did not need to be changed to use\nstart_removing_dentry() and so was not properly considered.\nIt still passed the dentry with just one reference so the net result is\nthat a reference is lost.\n\nTo meet the expectations of cachefiles_bury_object(), cachefiles_cull()\nmust take an extra reference before the call. It will be dropped by\ncachefiles_bury_object()."}], "id": "CVE-2026-43106", "lastModified": "2026-05-06T13:07:51.607", "metrics": {}, "published": "2026-05-06T10:16:24.213", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1635c2acdde86c4f555b627aec873c8677c421ed"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6577df7dc7a7de128442b6192c7a32195c923480"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{}