{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-22063", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-12-29T08:45:45.813Z", "datePublished": "2025-04-16T14:12:18.222Z", "dateUpdated": "2025-04-16T14:12:18.222Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-04-16T14:12:18.222Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetlabel: Fix NULL pointer exception caused by CALIPSO on IPv4 sockets\n\nWhen calling netlbl_conn_setattr(), addr->sa_family is used\nto determine the function behavior. If sk is an IPv4 socket,\nbut the connect function is called with an IPv6 address,\nthe function calipso_sock_setattr() is triggered.\nInside this function, the following code is executed:\n\nsk_fullsock(__sk) ? inet_sk(__sk)->pinet6 : NULL;\n\nSince sk is an IPv4 socket, pinet6 is NULL, leading to a\nnull pointer dereference.\n\nThis patch fixes the issue by checking if inet6_sk(sk)\nreturns a NULL pointer before accessing pinet6."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/ipv6/calipso.c"], "versions": [{"version": "ceba1832b1b2da0149c51de62a847c00bca1677a", "lessThan": "1ad9166cab6a0f5c0b10344a97bdf749ae11dcbf", "status": "affected", "versionType": "git"}, {"version": "ceba1832b1b2da0149c51de62a847c00bca1677a", "lessThan": "1e38f7a6cdd68377f8a4189b2fbaec14a6dd5152", "status": "affected", "versionType": "git"}, {"version": "ceba1832b1b2da0149c51de62a847c00bca1677a", "lessThan": "a7e89541d05b98c79a51c0f95df020f8e82b62ed", "status": "affected", "versionType": "git"}, {"version": "ceba1832b1b2da0149c51de62a847c00bca1677a", "lessThan": "797e5371cf55463b4530bab3fef5f27f7c6657a8", "status": "affected", "versionType": "git"}, {"version": "ceba1832b1b2da0149c51de62a847c00bca1677a", "lessThan": "1927d0bcd5b81e80971bf6b8eba267508bd1c78b", "status": "affected", "versionType": "git"}, {"version": "ceba1832b1b2da0149c51de62a847c00bca1677a", "lessThan": "3ba9cf69de50e8abed32b448616c313baa4c5712", "status": "affected", "versionType": "git"}, {"version": "ceba1832b1b2da0149c51de62a847c00bca1677a", "lessThan": "9fe3839588db7519030377b7dee3f165e654f6c5", "status": "affected", "versionType": "git"}, {"version": "ceba1832b1b2da0149c51de62a847c00bca1677a", "lessThan": "172a8a996a337206970467e871dd995ac07640b1", "status": "affected", "versionType": "git"}, {"version": "ceba1832b1b2da0149c51de62a847c00bca1677a", "lessThan": "078aabd567de3d63d37d7673f714e309d369e6e2", "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/ipv6/calipso.c"], "versions": [{"version": "4.8", "status": "affected"}, {"version": "0", "lessThan": "4.8", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.292", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.236", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.180", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.134", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.87", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.23", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.13.11", "lessThanOrEqual": "6.13.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.14.2", "lessThanOrEqual": "6.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.15-rc1", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/1ad9166cab6a0f5c0b10344a97bdf749ae11dcbf"}, {"url": "https://git.kernel.org/stable/c/1e38f7a6cdd68377f8a4189b2fbaec14a6dd5152"}, {"url": "https://git.kernel.org/stable/c/a7e89541d05b98c79a51c0f95df020f8e82b62ed"}, {"url": "https://git.kernel.org/stable/c/797e5371cf55463b4530bab3fef5f27f7c6657a8"}, {"url": "https://git.kernel.org/stable/c/1927d0bcd5b81e80971bf6b8eba267508bd1c78b"}, {"url": "https://git.kernel.org/stable/c/3ba9cf69de50e8abed32b448616c313baa4c5712"}, {"url": "https://git.kernel.org/stable/c/9fe3839588db7519030377b7dee3f165e654f6c5"}, {"url": "https://git.kernel.org/stable/c/172a8a996a337206970467e871dd995ac07640b1"}, {"url": "https://git.kernel.org/stable/c/078aabd567de3d63d37d7673f714e309d369e6e2"}], "title": "netlabel: Fix NULL pointer exception caused by CALIPSO on IPv4 sockets", "x_generator": {"engine": "bippy-7c5fe7eed585"}}}}

{}

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If sk is an IPv4 socket,\nbut the connect function is called with an IPv6 address,\nthe function calipso_sock_setattr() is triggered.\nInside this function, the following code is executed:\n\nsk_fullsock(__sk) ? inet_sk(__sk)->pinet6 : NULL;\n\nSince sk is an IPv4 socket, pinet6 is NULL, leading to a\nnull pointer dereference.\n\nThis patch fixes the issue by checking if inet6_sk(sk)\nreturns a NULL pointer before accessing pinet6."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: netlabel: Se corrige la excepci\u00f3n de puntero nulo causada por CALIPSO en sockets IPv4. Al llamar a netlbl_conn_setattr(), se utiliza addr->sa_family para determinar el comportamiento de la funci\u00f3n. Si sk es un socket IPv4, pero se llama a la funci\u00f3n connect con una direcci\u00f3n IPv6, se activa la funci\u00f3n calipso_sock_setattr(). Dentro de esta funci\u00f3n, se ejecuta el siguiente c\u00f3digo: sk_fullsock(__sk) ? inet_sk(__sk)->pinet6 : NULL; Dado que sk es un socket IPv4, pinet6 es NULL, lo que provoca una desreferencia de puntero nulo. Este parche corrige el problema comprobando si inet6_sk(sk) devuelve un puntero nulo antes de acceder a pinet6."}], "id": "CVE-2025-22063", "lastModified": "2025-04-29T18:51:32.240", "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": "2025-04-16T15:15:59.777", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/078aabd567de3d63d37d7673f714e309d369e6e2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/172a8a996a337206970467e871dd995ac07640b1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1927d0bcd5b81e80971bf6b8eba267508bd1c78b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1ad9166cab6a0f5c0b10344a97bdf749ae11dcbf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1e38f7a6cdd68377f8a4189b2fbaec14a6dd5152"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3ba9cf69de50e8abed32b448616c313baa4c5712"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/797e5371cf55463b4530bab3fef5f27f7c6657a8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9fe3839588db7519030377b7dee3f165e654f6c5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a7e89541d05b98c79a51c0f95df020f8e82b62ed"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: netlabel: Fix NULL pointer exception caused by CALIPSO on IPv4 sockets", "id": "2360273", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2360273"}, "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-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnetlabel: Fix NULL pointer exception caused by CALIPSO on IPv4 sockets\nWhen calling netlbl_conn_setattr(), addr->sa_family is used\nto determine the function behavior. If sk is an IPv4 socket,\nbut the connect function is called with an IPv6 address,\nthe function calipso_sock_setattr() is triggered.\nInside this function, the following code is executed:\nsk_fullsock(__sk) ? inet_sk(__sk)->pinet6 : NULL;\nSince sk is an IPv4 socket, pinet6 is NULL, leading to a\nnull pointer dereference.\nThis patch fixes the issue by checking if inet6_sk(sk)\nreturns a NULL pointer before accessing pinet6."], "name": "CVE-2025-22063", "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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-04-16T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-22063\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-22063\nhttps://lore.kernel.org/linux-cve-announce/2025041607-CVE-2025-22063-dec0@gregkh/T"], "threat_severity": "Moderate"}