{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-49727", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-02-26T02:21:30.448Z", "datePublished": "2025-02-26T02:24:38.672Z", "dateUpdated": "2025-02-26T02:24:38.672Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-02-26T02:24:38.672Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: Fix signed integer overflow in l2tp_ip6_sendmsg\n\nWhen len >= INT_MAX - transhdrlen, ulen = len + transhdrlen will be\noverflow. To fix, we can follow what udpv6 does and subtract the\ntranshdrlen from the max."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/l2tp/l2tp_ip6.c"], "versions": [{"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "2cf73c7cb6125083408d77f43d0e84d86aed0000", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "0e818d433fc2718fe4da044ffca7431812a7e04e", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "6c4e3486d21173d60925ef52e512cae727b43d30", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "2f42389d270f2304c8855b0b63498a5a4d0c053d", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "b8879ca1fd7348b4d5db7db86dcb97f60c73d751", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "27a37755ceb401111ded76810359d3adc4b268a1", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "034246122f5c5e2e2a0b9fe04e24517920e9beb1", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "f638a84afef3dfe10554c51820c16e39a278c915", "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/l2tp/l2tp_ip6.c"], "versions": [{"version": "4.9.320", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.14.285", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.249", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.200", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.124", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.49", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.18.6", "lessThanOrEqual": "5.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.19", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/2cf73c7cb6125083408d77f43d0e84d86aed0000"}, {"url": "https://git.kernel.org/stable/c/0e818d433fc2718fe4da044ffca7431812a7e04e"}, {"url": "https://git.kernel.org/stable/c/6c4e3486d21173d60925ef52e512cae727b43d30"}, {"url": "https://git.kernel.org/stable/c/2f42389d270f2304c8855b0b63498a5a4d0c053d"}, {"url": "https://git.kernel.org/stable/c/b8879ca1fd7348b4d5db7db86dcb97f60c73d751"}, {"url": "https://git.kernel.org/stable/c/27a37755ceb401111ded76810359d3adc4b268a1"}, {"url": "https://git.kernel.org/stable/c/034246122f5c5e2e2a0b9fe04e24517920e9beb1"}, {"url": "https://git.kernel.org/stable/c/f638a84afef3dfe10554c51820c16e39a278c915"}], "title": "ipv6: Fix signed integer overflow in l2tp_ip6_sendmsg", "x_generator": {"engine": "bippy-5f407fcff5a0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "CF939175-79DE-4866-B38C-4C8F9896B785", "versionEndExcluding": "4.9.320", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "6D4E7BA7-6B66-4B9A-991A-AD516DADF77D", "versionEndExcluding": "4.14.285", "versionStartIncluding": "4.10", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "8A08E48B-CA77-4A21-9558-17D61C146BE9", "versionEndExcluding": "4.19.249", "versionStartIncluding": "4.15", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "80B2AE57-4A7E-40BB-8C83-33D4436CE199", "versionEndExcluding": "5.4.200", "versionStartIncluding": "4.20", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "6442F2CD-FF1C-4574-9948-138835E635D7", "versionEndExcluding": "5.10.124", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "697D250E-E0A4-41BE-BB54-96385E129206", "versionEndExcluding": "5.15.49", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "CDD33A19-B51E-4090-A47B-073098916815", "versionEndExcluding": "5.18.6", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:*", "matchCriteriaId": "A8C30C2D-F82D-4D37-AB48-D76ABFBD5377", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: Fix signed integer overflow in l2tp_ip6_sendmsg\n\nWhen len >= INT_MAX - transhdrlen, ulen = len + transhdrlen will be\noverflow. To fix, we can follow what udpv6 does and subtract the\ntranshdrlen from the max."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ipv6: Se solucion\u00f3 el desbordamiento de entero con signo en l2tp_ip6_sendmsg Cuando len >= INT_MAX - transhdrlen, ulen = len + transhdrlen se desbordar\u00e1. Para solucionarlo, podemos seguir lo que hace udpv6 y restar transhdrlen del m\u00e1ximo."}], "id": "CVE-2022-49727", "lastModified": "2025-03-07T20:44:17.993", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-02-26T07:01:48.347", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/034246122f5c5e2e2a0b9fe04e24517920e9beb1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0e818d433fc2718fe4da044ffca7431812a7e04e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/27a37755ceb401111ded76810359d3adc4b268a1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2cf73c7cb6125083408d77f43d0e84d86aed0000"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2f42389d270f2304c8855b0b63498a5a4d0c053d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6c4e3486d21173d60925ef52e512cae727b43d30"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b8879ca1fd7348b4d5db7db86dcb97f60c73d751"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f638a84afef3dfe10554c51820c16e39a278c915"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-190"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: ipv6: Fix signed integer overflow in l2tp_ip6_sendmsg", "id": "2347688", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2347688"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-190", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nipv6: Fix signed integer overflow in l2tp_ip6_sendmsg\nWhen len >= INT_MAX - transhdrlen, ulen = len + transhdrlen will be\noverflow. To fix, we can follow what udpv6 does and subtract the\ntranshdrlen from the max."], "name": "CVE-2022-49727", "package_state": [{"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": "2025-02-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49727\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49727\nhttps://lore.kernel.org/linux-cve-announce/2025022633-CVE-2022-49727-a010@gregkh/T"], "threat_severity": "Moderate"}