Files
vuln-ubuntu/data/osv/usn/USN-5208-1.json
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{
"schema_version": "1.7.0",
"id": "USN-5208-1",
"summary": "linux, linux-aws, linux-aws-5.11, linux-azure, linux-azure-5.11, linux-gcp, linux-gcp-5.11, linux-hwe-5.11, linux-kvm, linux-oracle, linux-oracle-5.11, linux-raspi vulnerabilities",
"details": "Nadav Amit discovered that the hugetlb implementation in the Linux kernel\ndid not perform TLB flushes under certain conditions. A local attacker\ncould use this to leak or alter data from other processes that use huge\npages. (CVE-2021-4002)\n\nIt was discovered that a race condition existed in the overlay file system\nimplementation in the Linux kernel. A local attacker could use this to\ncause a denial of service (system crash). (CVE-2021-20321)\n\nIt was discovered that the NFC subsystem in the Linux kernel contained a\nuse-after-free vulnerability in its NFC Controller Interface (NCI)\nimplementation. A local attacker could possibly use this to cause a denial\nof service (system crash) or execute arbitrary code. (CVE-2021-3760)\n\nIt was discovered that an integer overflow could be triggered in the eBPF\nimplementation in the Linux kernel when preallocating objects for stack\nmaps. A privileged local attacker could use this to cause a denial of\nservice or possibly execute arbitrary code. (CVE-2021-41864)\n\nIt was discovered that the KVM implementation for POWER8 processors in the\nLinux kernel did not properly keep track if a wakeup event could be\nresolved by a guest. An attacker in a guest VM could possibly use this to\ncause a denial of service (host OS crash). (CVE-2021-43056)\n\nIt was discovered that the TIPC Protocol implementation in the Linux kernel\ndid not properly validate MSG_CRYPTO messages in some situations. An\nattacker could use this to cause a denial of service (system crash) or\npossibly execute arbitrary code. (CVE-2021-43267)\n\nIt was discovered that the ISDN CAPI implementation in the Linux kernel\ncontained a race condition in certain situations that could trigger an\narray out-of-bounds bug. A privileged local attacker could possibly use\nthis to cause a denial of service or execute arbitrary code.\n(CVE-2021-43389)\n",
"aliases": [],
"upstream": [
"UBUNTU-CVE-2021-3760",
"UBUNTU-CVE-2021-4002",
"UBUNTU-CVE-2021-20321",
"UBUNTU-CVE-2021-41864",
"UBUNTU-CVE-2021-43056",
"UBUNTU-CVE-2021-43267",
"UBUNTU-CVE-2021-43389"
],
"related": [],
"published": "2022-01-06T02:05:41Z",
"modified": "2026-09-09T11:23:29Z",
"affected": [
{
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}
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"5.11.0-1019.20~20.04.1",
"5.11.0-1020.21~20.04.2",
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],
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-5208-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-3760"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-4002"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-20321"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-41864"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-43056"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-43267"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-43389"
}
]
}