{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-53839", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-09T01:27:17.826Z", "datePublished": "2025-12-09T01:29:55.540Z", "dateUpdated": "2025-12-09T01:29:55.540Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-12-09T01:29:55.540Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndccp: fix data-race around dp->dccps_mss_cache\n\ndccp_sendmsg() reads dp->dccps_mss_cache before locking the socket.\nSame thing in do_dccp_getsockopt().\n\nAdd READ_ONCE()/WRITE_ONCE() annotations,\nand change dccp_sendmsg() to check again dccps_mss_cache\nafter socket is locked."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/dccp/output.c", "net/dccp/proto.c"], "versions": [{"version": "7c657876b63cb1d8a2ec06f8fc6c37bb8412e66c", "lessThan": "162fa1e3cfb62aa780d7c40c8cccb6c2f8bef7c1", "status": "affected", "versionType": "git"}, {"version": "7c657876b63cb1d8a2ec06f8fc6c37bb8412e66c", "lessThan": "2bdc7f272b3a110a4e1fdee6c47c8d20f9b20817", "status": "affected", "versionType": "git"}, {"version": "7c657876b63cb1d8a2ec06f8fc6c37bb8412e66c", "lessThan": "67eebc7a9217f999b779d46fba5312a716f0dc1d", "status": "affected", "versionType": "git"}, {"version": "7c657876b63cb1d8a2ec06f8fc6c37bb8412e66c", "lessThan": "6d701c95ee6463abcbb6da543060d6e444554135", "status": "affected", "versionType": "git"}, {"version": "7c657876b63cb1d8a2ec06f8fc6c37bb8412e66c", "lessThan": "f239c9e1d98b313435481b4926e8bdd06197e4d8", "status": "affected", "versionType": "git"}, {"version": "7c657876b63cb1d8a2ec06f8fc6c37bb8412e66c", "lessThan": "a6ddc1c774874dc704f96a99d015dc759627bba7", "status": "affected", "versionType": "git"}, {"version": "7c657876b63cb1d8a2ec06f8fc6c37bb8412e66c", "lessThan": "d1f38d313bdfc52fb2f662e66d0c60dd1cfe2384", "status": "affected", "versionType": "git"}, {"version": "7c657876b63cb1d8a2ec06f8fc6c37bb8412e66c", "lessThan": "a47e598fbd8617967e49d85c49c22f9fc642704c", "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/dccp/output.c", "net/dccp/proto.c"], "versions": [{"version": "2.6.14", "status": "affected"}, {"version": "0", "lessThan": "2.6.14", "status": "unaffected", "versionType": "semver"}, {"version": "4.14.323", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.292", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.254", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.191", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.127", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.46", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.4.11", "lessThanOrEqual": "6.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.5", "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": "2.6.14", "versionEndExcluding": "4.14.323"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.14", "versionEndExcluding": "4.19.292"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.14", "versionEndExcluding": "5.4.254"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.14", "versionEndExcluding": "5.10.191"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.14", "versionEndExcluding": "5.15.127"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.14", "versionEndExcluding": "6.1.46"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.14", "versionEndExcluding": "6.4.11"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.14", "versionEndExcluding": "6.5"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/162fa1e3cfb62aa780d7c40c8cccb6c2f8bef7c1"}, {"url": "https://git.kernel.org/stable/c/2bdc7f272b3a110a4e1fdee6c47c8d20f9b20817"}, {"url": "https://git.kernel.org/stable/c/67eebc7a9217f999b779d46fba5312a716f0dc1d"}, {"url": "https://git.kernel.org/stable/c/6d701c95ee6463abcbb6da543060d6e444554135"}, {"url": "https://git.kernel.org/stable/c/f239c9e1d98b313435481b4926e8bdd06197e4d8"}, {"url": "https://git.kernel.org/stable/c/a6ddc1c774874dc704f96a99d015dc759627bba7"}, {"url": "https://git.kernel.org/stable/c/d1f38d313bdfc52fb2f662e66d0c60dd1cfe2384"}, {"url": "https://git.kernel.org/stable/c/a47e598fbd8617967e49d85c49c22f9fc642704c"}], "title": "dccp: fix data-race around dp->dccps_mss_cache", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndccp: fix data-race around dp->dccps_mss_cache\n\ndccp_sendmsg() reads dp->dccps_mss_cache before locking the socket.\nSame thing in do_dccp_getsockopt().\n\nAdd READ_ONCE()/WRITE_ONCE() annotations,\nand change dccp_sendmsg() to check again dccps_mss_cache\nafter socket is locked."}], "id": "CVE-2023-53839", "lastModified": "2025-12-09T18:37:13.640", "metrics": {}, "published": "2025-12-09T16:17:23.527", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/162fa1e3cfb62aa780d7c40c8cccb6c2f8bef7c1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2bdc7f272b3a110a4e1fdee6c47c8d20f9b20817"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/67eebc7a9217f999b779d46fba5312a716f0dc1d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6d701c95ee6463abcbb6da543060d6e444554135"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a47e598fbd8617967e49d85c49c22f9fc642704c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a6ddc1c774874dc704f96a99d015dc759627bba7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d1f38d313bdfc52fb2f662e66d0c60dd1cfe2384"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f239c9e1d98b313435481b4926e8bdd06197e4d8"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: dccp: fix data-race around dp->dccps_mss_cache", "id": "2420328", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2420328"}, "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": ["In the Linux kernel, the following vulnerability has been resolved:\ndccp: fix data-race around dp->dccps_mss_cache\ndccp_sendmsg() reads dp->dccps_mss_cache before locking the socket.\nSame thing in do_dccp_getsockopt().\nAdd READ_ONCE()/WRITE_ONCE() annotations,\nand change dccp_sendmsg() to check again dccps_mss_cache\nafter socket is locked."], "name": "CVE-2023-53839", "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": "Out of support scope", "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": "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": "2025-12-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-53839\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-53839\nhttps://lore.kernel.org/linux-cve-announce/2025120956-CVE-2023-53839-5f7e@gregkh/T"], "threat_severity": "Moderate"}

{}