CVE-2025-22063 (GCVE-0-2025-22063)
Vulnerability from cvelistv5
Published
2025-04-16 14:12
Modified
2025-10-01 17:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
netlabel: Fix NULL pointer exception caused by CALIPSO on IPv4 sockets
When calling netlbl_conn_setattr(), addr->sa_family is used
to determine the function behavior. If sk is an IPv4 socket,
but the connect function is called with an IPv6 address,
the function calipso_sock_setattr() is triggered.
Inside this function, the following code is executed:
sk_fullsock(__sk) ? inet_sk(__sk)->pinet6 : NULL;
Since sk is an IPv4 socket, pinet6 is NULL, leading to a
null pointer dereference.
This patch fixes the issue by checking if inet6_sk(sk)
returns a NULL pointer before accessing pinet6.
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| ▼ | Linux | Linux |
Version: ceba1832b1b2da0149c51de62a847c00bca1677a Version: ceba1832b1b2da0149c51de62a847c00bca1677a Version: ceba1832b1b2da0149c51de62a847c00bca1677a Version: ceba1832b1b2da0149c51de62a847c00bca1677a Version: ceba1832b1b2da0149c51de62a847c00bca1677a Version: ceba1832b1b2da0149c51de62a847c00bca1677a Version: ceba1832b1b2da0149c51de62a847c00bca1677a Version: ceba1832b1b2da0149c51de62a847c00bca1677a Version: ceba1832b1b2da0149c51de62a847c00bca1677a |
||||||
|
|||||||||
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\"797e5371cf55463b4530bab3fef5f27f7c6657a8\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"ceba1832b1b2da0149c51de62a847c00bca1677a\", \"lessThan\": \"1927d0bcd5b81e80971bf6b8eba267508bd1c78b\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"ceba1832b1b2da0149c51de62a847c00bca1677a\", \"lessThan\": \"3ba9cf69de50e8abed32b448616c313baa4c5712\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"ceba1832b1b2da0149c51de62a847c00bca1677a\", \"lessThan\": \"9fe3839588db7519030377b7dee3f165e654f6c5\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"ceba1832b1b2da0149c51de62a847c00bca1677a\", \"lessThan\": \"172a8a996a337206970467e871dd995ac07640b1\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"ceba1832b1b2da0149c51de62a847c00bca1677a\", \"lessThan\": \"078aabd567de3d63d37d7673f714e309d369e6e2\", \"versionType\": \"git\"}], \"programFiles\": [\"net/ipv6/calipso.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.8\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"4.8\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.4.292\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.236\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.180\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.134\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.87\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12.23\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.12.*\"}, {\"status\": \"unaffected\", \"version\": \"6.13.11\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.13.*\"}, {\"status\": \"unaffected\", \"version\": \"6.14.2\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.14.*\"}, {\"status\": \"unaffected\", \"version\": \"6.15\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"net/ipv6/calipso.c\"], \"defaultStatus\": \"affected\"}], \"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\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"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-\u003esa_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)-\u003epinet6 : 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.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.292\", \"versionStartIncluding\": \"4.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.236\", \"versionStartIncluding\": \"4.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.180\", \"versionStartIncluding\": \"4.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.134\", \"versionStartIncluding\": \"4.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.87\", \"versionStartIncluding\": \"4.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12.23\", \"versionStartIncluding\": \"4.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.13.11\", \"versionStartIncluding\": \"4.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.14.2\", \"versionStartIncluding\": \"4.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.15\", \"versionStartIncluding\": \"4.8\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-26T05:17:39.582Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2025-22063\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-10-01T17:41:00.867Z\", \"dateReserved\": \"2024-12-29T08:45:45.813Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-04-16T14:12:18.222Z\", \"assignerShortName\": \"Linux\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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