{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-68188", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-16T13:41:40.252Z", "datePublished": "2025-12-16T13:43:10.680Z", "dateUpdated": "2026-05-11T21:48:21.833Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:48:21.833Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntcp: use dst_dev_rcu() in tcp_fastopen_active_disable_ofo_check()\n\nUse RCU to avoid a pair of atomic operations and a potential\nUAF on dst_dev()->flags."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/ipv4/tcp_fastopen.c"], "versions": [{"version": "cf1ef3f0719b4dcb74810ed507e2a2540f9811b4", "lessThan": "bc2b881a0896c111c1041d8bb1f92a3b3873ace5", "status": "affected", "versionType": "git"}, {"version": "cf1ef3f0719b4dcb74810ed507e2a2540f9811b4", "lessThan": "06da08d9355bf8e2070459bbedbe372ccc02cc0e", "status": "affected", "versionType": "git"}, {"version": "cf1ef3f0719b4dcb74810ed507e2a2540f9811b4", "lessThan": "b62a59c18b692f892dcb8109c1c2e653b2abc95c", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/ipv4/tcp_fastopen.c"], "versions": [{"version": "4.12", "status": "affected"}, {"version": "0", "lessThan": "4.12", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.58", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.17.8", "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": "4.12", "versionEndExcluding": "6.12.58"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.12", "versionEndExcluding": "6.17.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.12", "versionEndExcluding": "6.18"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/bc2b881a0896c111c1041d8bb1f92a3b3873ace5"}, {"url": "https://git.kernel.org/stable/c/06da08d9355bf8e2070459bbedbe372ccc02cc0e"}, {"url": "https://git.kernel.org/stable/c/b62a59c18b692f892dcb8109c1c2e653b2abc95c"}], "title": "tcp: use dst_dev_rcu() in tcp_fastopen_active_disable_ofo_check()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntcp: use dst_dev_rcu() in tcp_fastopen_active_disable_ofo_check()\n\nUse RCU to avoid a pair of atomic operations and a potential\nUAF on dst_dev()->flags."}], "id": "CVE-2025-68188", "lastModified": "2026-04-15T00:35:42.020", "metrics": {}, "published": "2025-12-16T14:15:51.460", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/06da08d9355bf8e2070459bbedbe372ccc02cc0e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b62a59c18b692f892dcb8109c1c2e653b2abc95c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bc2b881a0896c111c1041d8bb1f92a3b3873ace5"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Deferred"}

{"bugzilla": {"description": "kernel: tcp: use dst_dev_rcu() in tcp_fastopen_active_disable_ofo_check()", "id": "2422738", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2422738"}, "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-2025-68188", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "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-2025-68188\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-68188\nhttps://lore.kernel.org/linux-cve-announce/2025121634-CVE-2025-68188-5392@gregkh/T"], "threat_severity": "Important"}

{}