CVE-2021-47105
Vulnerability from cvelistv5
Published
2024-03-04 18:15
Modified
2024-11-04 11:59
Severity ?
EPSS score ?
Summary
ice: xsk: return xsk buffers back to pool when cleaning the ring
References
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2021-47105",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-03-06T19:54:23.953190Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-06-04T17:14:51.323Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2024-08-04T05:24:39.883Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://git.kernel.org/stable/c/ad6d20da2cfbe14b7b1200d15f39e65988b0b9e8"
},
{
"tags": [
"x_transferred"
],
"url": "https://git.kernel.org/stable/c/afe8a3ba85ec2a6b6849367e25c06a2f8e0ddd05"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/net/ethernet/intel/ice/ice_xsk.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "ad6d20da2cfb",
"status": "affected",
"version": "2d4238f55697",
"versionType": "git"
},
{
"lessThan": "afe8a3ba85ec",
"status": "affected",
"version": "2d4238f55697",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/net/ethernet/intel/ice/ice_xsk.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "5.5"
},
{
"lessThan": "5.5",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.12",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "5.16",
"versionType": "original_commit_for_fix"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nice: xsk: return xsk buffers back to pool when cleaning the ring\n\nCurrently we only NULL the xdp_buff pointer in the internal SW ring but\nwe never give it back to the xsk buffer pool. This means that buffers\ncan be leaked out of the buff pool and never be used again.\n\nAdd missing xsk_buff_free() call to the routine that is supposed to\nclean the entries that are left in the ring so that these buffers in the\numem can be used by other sockets.\n\nAlso, only go through the space that is actually left to be cleaned\ninstead of a whole ring."
}
],
"providerMetadata": {
"dateUpdated": "2024-11-04T11:59:30.273Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/ad6d20da2cfbe14b7b1200d15f39e65988b0b9e8"
},
{
"url": "https://git.kernel.org/stable/c/afe8a3ba85ec2a6b6849367e25c06a2f8e0ddd05"
}
],
"title": "ice: xsk: return xsk buffers back to pool when cleaning the ring",
"x_generator": {
"engine": "bippy-9e1c9544281a"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2021-47105",
"datePublished": "2024-03-04T18:15:14.355Z",
"dateReserved": "2024-03-04T18:12:48.835Z",
"dateUpdated": "2024-11-04T11:59:30.273Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2021-47105\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-03-04T19:15:18.707\",\"lastModified\":\"2024-03-05T13:41:01.900\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nice: xsk: return xsk buffers back to pool when cleaning the ring\\n\\nCurrently we only NULL the xdp_buff pointer in the internal SW ring but\\nwe never give it back to the xsk buffer pool. This means that buffers\\ncan be leaked out of the buff pool and never be used again.\\n\\nAdd missing xsk_buff_free() call to the routine that is supposed to\\nclean the entries that are left in the ring so that these buffers in the\\numem can be used by other sockets.\\n\\nAlso, only go through the space that is actually left to be cleaned\\ninstead of a whole ring.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ice: xsk: devuelve los buffers xsk al grupo al limpiar el anillo. Actualmente solo hacemos NULL en el puntero xdp_buff en el anillo SW interno, pero nunca lo devolvemos al grupo de buffers xsk. Esto significa que los buffers se pueden filtrar fuera del grupo de buffers y no volver a usarse nunca m\u00e1s. Agregue la llamada xsk_buff_free() faltante a la rutina que se supone que limpia las entradas que quedan en el anillo para que otros sockets puedan usar estos buffers en el umem. Adem\u00e1s, pase solo por el espacio que realmente queda por limpiar en lugar de por un anillo completo.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/ad6d20da2cfbe14b7b1200d15f39e65988b0b9e8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/afe8a3ba85ec2a6b6849367e25c06a2f8e0ddd05\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
}
}
Loading...
Loading...
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.