{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-68239", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-16T13:41:40.263Z", "datePublished": "2025-12-16T14:21:16.889Z", "dateUpdated": "2025-12-16T14:21:16.889Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-12-16T14:21:16.889Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbinfmt_misc: restore write access before closing files opened by open_exec()\n\nbm_register_write() opens an executable file using open_exec(), which\ninternally calls do_open_execat() and denies write access on the file to\navoid modification while it is being executed.\n\nHowever, when an error occurs, bm_register_write() closes the file using\nfilp_close() directly. This does not restore the write permission, which\nmay cause subsequent write operations on the same file to fail.\n\nFix this by calling exe_file_allow_write_access() before filp_close() to\nrestore the write permission properly."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/binfmt_misc.c"], "versions": [{"version": "e7850f4d844e0acfac7e570af611d89deade3146", "lessThan": "e785f552ab04dbca01d31f0334f4561240b04459", "status": "affected", "versionType": "git"}, {"version": "e7850f4d844e0acfac7e570af611d89deade3146", "lessThan": "90f601b497d76f40fa66795c3ecf625b6aced9fd", "status": "affected", "versionType": "git"}, {"version": "467a50d5db7deaf656e18a1f633be9ecd94b393a", "status": "affected", "versionType": "git"}, {"version": "4a8b4124ea4156ca52918b66c750a69c6d932aa5", "status": "affected", "versionType": "git"}, {"version": "3fe116e33a855bbfdd32dc207e9be2a41e3ed3a6", "status": "affected", "versionType": "git"}, {"version": "c0e0ab60d0b15469e69db93215dad009999f5a5b", "status": "affected", "versionType": "git"}, {"version": "5ab9464a2a3c538eedbb438f1802f2fd98d0953f", "status": "affected", "versionType": "git"}, {"version": "d28492be82e19fc69cc69975fc2052b37ef0c821", "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/binfmt_misc.c"], "versions": [{"version": "5.12", "status": "affected"}, {"version": "0", "lessThan": "5.12", "status": "unaffected", "versionType": "semver"}, {"version": "6.17.9", "lessThanOrEqual": "6.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18", "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": "5.12", "versionEndExcluding": "6.17.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.12", "versionEndExcluding": "6.18"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.9.262"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.14.226"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19.181"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4.106"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10.24"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11.7"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/e785f552ab04dbca01d31f0334f4561240b04459"}, {"url": "https://git.kernel.org/stable/c/90f601b497d76f40fa66795c3ecf625b6aced9fd"}], "title": "binfmt_misc: restore write access before closing files opened by open_exec()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbinfmt_misc: restore write access before closing files opened by open_exec()\n\nbm_register_write() opens an executable file using open_exec(), which\ninternally calls do_open_execat() and denies write access on the file to\navoid modification while it is being executed.\n\nHowever, when an error occurs, bm_register_write() closes the file using\nfilp_close() directly. This does not restore the write permission, which\nmay cause subsequent write operations on the same file to fail.\n\nFix this by calling exe_file_allow_write_access() before filp_close() to\nrestore the write permission properly."}], "id": "CVE-2025-68239", "lastModified": "2025-12-16T15:15:53.063", "metrics": {}, "published": "2025-12-16T15:15:53.063", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/90f601b497d76f40fa66795c3ecf625b6aced9fd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e785f552ab04dbca01d31f0334f4561240b04459"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: binfmt_misc: restore write access before closing files opened by open_exec()", "id": "2422758", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2422758"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2025-68239", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Under investigation", "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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-12-16T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-68239\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-68239\nhttps://lore.kernel.org/linux-cve-announce/2025121630-CVE-2025-68239-f7a4@gregkh/T"], "threat_severity": "Moderate"}

{}