CVE-2024-27394
Vulnerability from cvelistv5
Published
2024-05-09 16:37
Modified
2024-11-05 09:21
Severity ?
EPSS score ?
Summary
tcp: Fix Use-After-Free in tcp_ao_connect_init
References
{
"containers": {
"adp": [
{
"affected": [
{
"cpes": [
"cpe:2.3:o:linux:linux_kernel:6.7:-:*:*:*:*:*:*"
],
"defaultStatus": "affected",
"product": "linux_kernel",
"vendor": "linux",
"versions": [
{
"status": "affected",
"version": "6.7"
}
]
},
{
"cpes": [
"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*"
],
"defaultStatus": "unaffected",
"product": "linux_kernel",
"vendor": "linux",
"versions": [
{
"lessThan": "ca4fb6c6764b",
"status": "affected",
"version": "7c2ffaf21bd6",
"versionType": "git"
},
{
"lessThan": "80e679b352c3",
"status": "affected",
"version": "7c2ffaf21bd6",
"versionType": "git"
},
{
"lessThan": "6.7",
"status": "unaffected",
"version": "0",
"versionType": "git"
},
{
"lessThan": "6.9",
"status": "unaffected",
"version": "6.8.9",
"versionType": "git"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.9",
"versionType": "custom"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.4,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2024-27394",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-09-04T00:00:00+00:00",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-416",
"description": "CWE-416 Use After Free",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-09-10T03:55:12.169Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2024-08-02T00:34:52.373Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://git.kernel.org/stable/c/ca4fb6c6764b3f75b4f5aa81db1536291897ff7f"
},
{
"tags": [
"x_transferred"
],
"url": "https://git.kernel.org/stable/c/80e679b352c3ce5158f3f778cfb77eb767e586fb"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"net/ipv4/tcp_ao.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "ca4fb6c6764b",
"status": "affected",
"version": "7c2ffaf21bd6",
"versionType": "git"
},
{
"lessThan": "80e679b352c3",
"status": "affected",
"version": "7c2ffaf21bd6",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"net/ipv4/tcp_ao.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "6.7"
},
{
"lessThan": "6.7",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.8.*",
"status": "unaffected",
"version": "6.8.9",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.9",
"versionType": "original_commit_for_fix"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntcp: Fix Use-After-Free in tcp_ao_connect_init\n\nSince call_rcu, which is called in the hlist_for_each_entry_rcu traversal\nof tcp_ao_connect_init, is not part of the RCU read critical section, it\nis possible that the RCU grace period will pass during the traversal and\nthe key will be free.\n\nTo prevent this, it should be changed to hlist_for_each_entry_safe."
}
],
"providerMetadata": {
"dateUpdated": "2024-11-05T09:21:24.590Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/ca4fb6c6764b3f75b4f5aa81db1536291897ff7f"
},
{
"url": "https://git.kernel.org/stable/c/80e679b352c3ce5158f3f778cfb77eb767e586fb"
}
],
"title": "tcp: Fix Use-After-Free in tcp_ao_connect_init",
"x_generator": {
"engine": "bippy-9e1c9544281a"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2024-27394",
"datePublished": "2024-05-09T16:37:11.495Z",
"dateReserved": "2024-02-25T13:47:42.677Z",
"dateUpdated": "2024-11-05T09:21:24.590Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2024-27394\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-14T15:12:27.363\",\"lastModified\":\"2024-09-06T14:35:11.027\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ntcp: Fix Use-After-Free in tcp_ao_connect_init\\n\\nSince call_rcu, which is called in the hlist_for_each_entry_rcu traversal\\nof tcp_ao_connect_init, is not part of the RCU read critical section, it\\nis possible that the RCU grace period will pass during the traversal and\\nthe key will be free.\\n\\nTo prevent this, it should be changed to hlist_for_each_entry_safe.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: tcp: Fix Use-After-Free en tcp_ao_connect_init Dado que call_rcu, que se llama en el recorrido hlist_for_each_entry_rcu de tcp_ao_connect_init, no forma parte de la secci\u00f3n cr\u00edtica de lectura de RCU, es posible que el El per\u00edodo de gracia de RCU transcurrir\u00e1 durante el recorrido y la clave quedar\u00e1 gratuita. Para evitar esto, se debe cambiar a hlist_for_each_entry_safe.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":7.4,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":1.4,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/80e679b352c3ce5158f3f778cfb77eb767e586fb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ca4fb6c6764b3f75b4f5aa81db1536291897ff7f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
}
}
Loading...
Loading...
- 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.