Files
vuln-cve/data/2021/3xxx/CVE-2021-3640.json
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{
"containers": {
"cna": {
"affected": [
{
"product": "kernel",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "Affects kernel v5.15.3 and prior, Fixed in v5.16-rc1 and above."
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A flaw use-after-free in function sco_sock_sendmsg() of the Linux kernel HCI subsystem was found in the way user calls ioct UFFDIO_REGISTER or other way triggers race condition of the call sco_conn_del() together with the call sco_sock_sendmsg() with the expected controllable faulting memory page. A privileged local user could use this flaw to crash the system or escalate their privileges on the system."
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-362",
"description": "CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition'), CWE-416 - Use After Free.",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2022-04-19T18:06:25.000Z",
"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"shortName": "redhat"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1980646"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://ubuntu.com/security/CVE-2021-3640"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://www.openwall.com/lists/oss-security/2021/07/22/1"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/net/bluetooth/sco.c?h=v5.16&id=99c23da0eed4fd20cae8243f2b51e10e66aa0951"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/torvalds/linux/commit/99c23da0eed4fd20cae8243f2b51e10e66aa0951"
},
{
"name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2940-1] linux security update",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html"
},
{
"name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security update",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html"
},
{
"name": "DSA-5096",
"tags": [
"vendor-advisory",
"x_refsource_DEBIAN"
],
"url": "https://www.debian.org/security/2022/dsa-5096"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://security.netapp.com/advisory/ntap-20220419-0003/"
}
]
},
"adp": [
{
"providerMetadata": {
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE",
"dateUpdated": "2024-08-03T17:01:07.744Z"
},
"title": "CVE Program Container",
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1980646"
},
{
"tags": [
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],
"url": "https://ubuntu.com/security/CVE-2021-3640"
},
{
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],
"url": "https://www.openwall.com/lists/oss-security/2021/07/22/1"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/net/bluetooth/sco.c?h=v5.16&id=99c23da0eed4fd20cae8243f2b51e10e66aa0951"
},
{
"tags": [
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"x_transferred"
],
"url": "https://github.com/torvalds/linux/commit/99c23da0eed4fd20cae8243f2b51e10e66aa0951"
},
{
"name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2940-1] linux security update",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html"
},
{
"name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security update",
"tags": [
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"x_transferred"
],
"url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html"
},
{
"name": "DSA-5096",
"tags": [
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"x_refsource_DEBIAN",
"x_transferred"
],
"url": "https://www.debian.org/security/2022/dsa-5096"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://security.netapp.com/advisory/ntap-20220419-0003/"
}
]
}
]
},
"cveMetadata": {
"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"assignerShortName": "redhat",
"cveId": "CVE-2021-3640",
"datePublished": "2022-03-03T22:04:15.000Z",
"dateReserved": "2021-07-09T00:00:00.000Z",
"dateUpdated": "2024-08-03T17:01:07.744Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}