{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-46285", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-13T15:03:33.110Z", "datePublished": "2026-06-08T15:41:28.566Z", "dateUpdated": "2026-06-14T18:06:23.744Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-14T18:06:23.744Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: docg3: fix use-after-free in docg3_release()\n\nIn docg3_release(), the docg3 pointer is obtained from\ncascade->floors[0]->priv before the loop that calls\ndoc_release_device() on each floor. doc_release_device() frees the\ndocg3 struct via kfree(docg3) at line 1881. After the loop,\ndocg3->cascade->bch dereferences the already-freed pointer.\n\nFix this by accessing cascade->bch directly, which is equivalent\nsince docg3->cascade points back to the same cascade struct, and\nis already available as a local variable. This also removes the\nnow-unused docg3 local variable."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/mtd/devices/docg3.c"], "versions": [{"version": "c8ae3f744ddca0da164bcacee42d1d4b6fe7027d", "lessThan": "8408655ec8344511667b61d8257dc59c80ee3391", "status": "affected", "versionType": "git"}, {"version": "c8ae3f744ddca0da164bcacee42d1d4b6fe7027d", "lessThan": "f5d2ed4ed47d3906e2495a3537a48b127f497a17", "status": "affected", "versionType": "git"}, {"version": "c8ae3f744ddca0da164bcacee42d1d4b6fe7027d", "lessThan": "2bf706fe7831b319f23a85b9728f961cfed40c3e", "status": "affected", "versionType": "git"}, {"version": "c8ae3f744ddca0da164bcacee42d1d4b6fe7027d", "lessThan": "d26f8c361f751c188b7ebaf8189aa0258968fd98", "status": "affected", "versionType": "git"}, {"version": "c8ae3f744ddca0da164bcacee42d1d4b6fe7027d", "lessThan": "16f6588a3b7a2a20d10ad9b766be74c60ba347cc", "status": "affected", "versionType": "git"}, {"version": "c8ae3f744ddca0da164bcacee42d1d4b6fe7027d", "lessThan": "d89044889ecd11b0c2f86663597246e9bdd25679", "status": "affected", "versionType": "git"}, {"version": "c8ae3f744ddca0da164bcacee42d1d4b6fe7027d", "lessThan": "d49628d63d4e6bbc8a1621afb88e5fc901611bee", "status": "affected", "versionType": "git"}, {"version": "c8ae3f744ddca0da164bcacee42d1d4b6fe7027d", "lessThan": "ca19808bc6fac7e29420d8508df569b346b3e339", "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/mtd/devices/docg3.c"], "versions": [{"version": "5.8", "status": "affected"}, {"version": "0", "lessThan": "5.8", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.258", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.209", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.175", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.140", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.86", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.27", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.4", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "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": "5.8", "versionEndExcluding": "5.10.258"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "5.15.209"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "6.1.175"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "6.6.140"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "6.12.86"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "6.18.27"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "7.0.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "7.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/8408655ec8344511667b61d8257dc59c80ee3391"}, {"url": "https://git.kernel.org/stable/c/f5d2ed4ed47d3906e2495a3537a48b127f497a17"}, {"url": "https://git.kernel.org/stable/c/2bf706fe7831b319f23a85b9728f961cfed40c3e"}, {"url": "https://git.kernel.org/stable/c/d26f8c361f751c188b7ebaf8189aa0258968fd98"}, {"url": "https://git.kernel.org/stable/c/16f6588a3b7a2a20d10ad9b766be74c60ba347cc"}, {"url": "https://git.kernel.org/stable/c/d89044889ecd11b0c2f86663597246e9bdd25679"}, {"url": "https://git.kernel.org/stable/c/d49628d63d4e6bbc8a1621afb88e5fc901611bee"}, {"url": "https://git.kernel.org/stable/c/ca19808bc6fac7e29420d8508df569b346b3e339"}], "title": "mtd: docg3: fix use-after-free in docg3_release()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: docg3: fix use-after-free in docg3_release()\n\nIn docg3_release(), the docg3 pointer is obtained from\ncascade->floors[0]->priv before the loop that calls\ndoc_release_device() on each floor. doc_release_device() frees the\ndocg3 struct via kfree(docg3) at line 1881. After the loop,\ndocg3->cascade->bch dereferences the already-freed pointer.\n\nFix this by accessing cascade->bch directly, which is equivalent\nsince docg3->cascade points back to the same cascade struct, and\nis already available as a local variable. This also removes the\nnow-unused docg3 local variable."}], "id": "CVE-2026-46285", "lastModified": "2026-06-08T17:16:46.347", "metrics": {}, "published": "2026-06-08T17:16:46.347", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/16f6588a3b7a2a20d10ad9b766be74c60ba347cc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2bf706fe7831b319f23a85b9728f961cfed40c3e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8408655ec8344511667b61d8257dc59c80ee3391"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ca19808bc6fac7e29420d8508df569b346b3e339"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d26f8c361f751c188b7ebaf8189aa0258968fd98"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d49628d63d4e6bbc8a1621afb88e5fc901611bee"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d89044889ecd11b0c2f86663597246e9bdd25679"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f5d2ed4ed47d3906e2495a3537a48b127f497a17"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: mtd: docg3: fix use-after-free in docg3_release()", "id": "2486447", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2486447"}, "csaw": false, "cwe": "CWE-825", "details": ["A flaw was found in the Linux kernel's `mtd: docg3` module. The `docg3_release()` function attempts to access memory that has already been deallocated, leading to a use-after-free vulnerability. This issue could allow a local attacker to cause a denial of service or potentially execute arbitrary code."], "name": "CVE-2026-46285", "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"}], "public_date": "2026-06-08T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-46285\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-46285\nhttps://lore.kernel.org/linux-cve-announce/2026060843-CVE-2026-46285-0239@gregkh/T"]}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[c8ae3f744ddca0da164bcacee42d1d4b6fe7027d,8408655ec8344511667b61d8257dc59c80ee3391)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[c8ae3f744ddca0da164bcacee42d1d4b6fe7027d,f5d2ed4ed47d3906e2495a3537a48b127f497a17)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[c8ae3f744ddca0da164bcacee42d1d4b6fe7027d,2bf706fe7831b319f23a85b9728f961cfed40c3e)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[c8ae3f744ddca0da164bcacee42d1d4b6fe7027d,d26f8c361f751c188b7ebaf8189aa0258968fd98)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[c8ae3f744ddca0da164bcacee42d1d4b6fe7027d,16f6588a3b7a2a20d10ad9b766be74c60ba347cc)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[c8ae3f744ddca0da164bcacee42d1d4b6fe7027d,d89044889ecd11b0c2f86663597246e9bdd25679)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[c8ae3f744ddca0da164bcacee42d1d4b6fe7027d,d49628d63d4e6bbc8a1621afb88e5fc901611bee)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[c8ae3f744ddca0da164bcacee42d1d4b6fe7027d,ca19808bc6fac7e29420d8508df569b346b3e339)"}}], "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": "generic", "value": "5.8"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,5.8)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[5.10.258,5.10.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[5.15.209,5.15.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.1.175,6.1.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.6.140,6.6.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.12.86,6.12.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.18.27,6.18.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.0.4,7.0.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1-rc1,*]"}}], "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": "2026-06-08T19:15:30.977005+00:00", "updated": "2026-06-09T03:45:26.332222+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}