Zhenpeng Lin discovered that the network packet scheduler implementation in the Linux kernel did not properly remove all references to a route filter before freeing it in some situations. A local attacker could use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2022-2588)
It was discovered that the netfilter subsystem of the Linux kernel did not prevent one nft object from referencing an nft set in another nft table, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2022-2586)
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"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "high"
}
]
},
{
"id": "CVE-2022-2588",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "high"
}
]
}
],
"ecosystem": "Ubuntu:Pro:16.04:LTS"
}
{
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "linux-buildinfo-4.4.0-1112-kvm",
"binary_version": "4.4.0-1112.122"
},
{
"binary_name": "linux-cloud-tools-4.4.0-1112-kvm",
"binary_version": "4.4.0-1112.122"
},
{
"binary_name": "linux-headers-4.4.0-1112-kvm",
"binary_version": "4.4.0-1112.122"
},
{
"binary_name": "linux-image-4.4.0-1112-kvm",
"binary_version": "4.4.0-1112.122"
},
{
"binary_name": "linux-kvm-cloud-tools-4.4.0-1112",
"binary_version": "4.4.0-1112.122"
},
{
"binary_name": "linux-kvm-headers-4.4.0-1112",
"binary_version": "4.4.0-1112.122"
},
{
"binary_name": "linux-kvm-tools-4.4.0-1112",
"binary_version": "4.4.0-1112.122"
},
{
"binary_name": "linux-modules-4.4.0-1112-kvm",
"binary_version": "4.4.0-1112.122"
},
{
"binary_name": "linux-tools-4.4.0-1112-kvm",
"binary_version": "4.4.0-1112.122"
}
]
}
{
"cves": [
{
"id": "CVE-2022-2586",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "high"
}
]
},
{
"id": "CVE-2022-2588",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "high"
}
]
}
],
"ecosystem": "Ubuntu:Pro:16.04:LTS"
}