UnratedFix available
linux, linux-aws, linux-aws-6.2, linux-azure, linux-azure-6.2, linux-azure-fde-6.2, linux-gcp, linux-gcp-6.2, linux-hwe-6.2, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-6.2, linux-oracle, linux-
Type: advisorySources: OSV
Ross Lagerwall discovered that the Xen netback backend driver in the Linux kernel did not properly handle certain unusual packets from a paravirtualized network frontend, leading to a buffer overflow. An attacker in a guest VM could use this to cause a denial of service (host system crash) or possibly execute arbitrary code. (CVE-2023-34319) Bien Pham discovered that the netfiler subsystem in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. A local user could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-4244) Kyle Zeng discovered that the networking stack implementation in the Linux kernel did not properly validate skb object size in certain conditions. An attacker could use this cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-42752) Kyle Zeng discovered that the netfiler subsystem in the Linux kernel did not properly calculate array offsets, leading to a out-of-bounds write vulnerability. A local user could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-42753) Kyle Zeng discovered that the IPv4 Resource Reservation Protocol (RSVP) classifier implementation in the Linux kernel contained an out-of-bounds read vulnerability. A local attacker could use this to cause a denial of service (system crash). Please note that kernel packet classifier support for RSVP has been removed to resolve this vulner
- Products
- linux-aws-6.2, linux-azure-6.2, linux-azure-fde-6.2, linux-gcp-6.2, linux-hwe-6.2, linux-lowlatency-hwe-6.2
- Affected versions
- 6.2.0-1005.5~22.04.1, 6.2.0-1006.6~22.04.1, 6.2.0-1007.7~22.04.1, 6.2.0-1008.8~22.04.1, 6.2.0-1008.8~22.04.1.1, 6.2.0-1009.9~22.04.1, 6.2.0-1009.9~22.04.3, 6.2.0-1009.9~22.04.3.1, 6.2.0-1010.10~22.04.1, 6.2.0-1011.11~22.04.1, 6.2.0-1011.11~22.04.1.1, 6.2.0-1011.11~22.04.3, 6.2.0-1012.12~22.04.1, 6.2.0-1012.12~22.04.1.1, 6.2.0-1013.13~22.04.1, 6.2.0-1014.14~22.04.1, 6.2.0-1014.14~22.04.1.1, 6.2.0-1016.18~22.04.1, 6.2.0-25.25~22.04.2, 6.2.0-26.26~22.04.1, 6.2.0-31.31~22.04.1, 6.2.0-32.32~22.04.1, 6.2.0-33.33~22.04.1, 6.2.0-34.34~22.04.1
- Fixed versions
- 6.2.0-1014.14~22.04.1, 6.2.0-1015.15~22.04.1, 6.2.0-1015.15~22.04.1.1, 6.2.0-1017.19~22.04.1, 6.2.0-35.35~22.04.1
- CVEs
- CVE-2023-34319, CVE-2023-4244, CVE-2023-42752, CVE-2023-42753, CVE-2023-42755, CVE-2023-42756, CVE-2023-4622, CVE-2023-4623, CVE-2023-4881, CVE-2023-4921, CVE-2023-5197
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 19:28 UTC · Revision 1
Source evidence
linux, linux-aws, linux-aws-6.2, linux-azure, linux-azure-6.2, linux-azure-fde-6.2, linux-gcp, linux-gcp-6.2, linux-hwe-6.2, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-6.2, linux-oracle, linux-
core-osv · Original sourcePublished 19 Oct 2023, 23:01 UTC
Ross Lagerwall discovered that the Xen netback backend driver in the Linux kernel did not properly handle certain unusual packets from a paravirtualized network frontend, leading to a buffer overflow. An attacker in a guest VM could use this to cause a denial of service (host system crash) or possibly execute arbitrary code. (CVE-2023-34319) Bien Pham discovered that the netfiler subsystem in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. A local user could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-4244) Kyle Zeng discovered that the networking stack implementation in the Linux kernel did not properly validate skb object size in certain conditions. An attacker could use this cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-42752) Kyle Zeng discovered that the netfiler subsystem in the Linux kernel did not properly calculate array offsets, leading to a out-of-bounds write vulnerability. A local user could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-42753) Kyle Zeng discovered that the IPv4 Resource Reservation Protocol (RSVP) classifier implementation in the Linux kernel contained an out-of-bounds read vulnerability. A local attacker could use this to cause a denial of service (system crash). Please note that kernel packet classifier support for RSVP has been removed to resolve this vulner
osv:USN-6444-1
linux-aws-6.2
Fixed versions: 6.2.0-1014.14~22.04.1
linux-azure-6.2
Fixed versions: 6.2.0-1015.15~22.04.1
linux-azure-fde-6.2
Fixed versions: 6.2.0-1015.15~22.04.1.1
linux-gcp-6.2
Fixed versions: 6.2.0-1017.19~22.04.1
linux-hwe-6.2
Fixed versions: 6.2.0-35.35~22.04.1
linux-lowlatency-hwe-6.2
Fixed versions: 6.2.0-1015.15~22.04.1
Complete source record
{
"id": "86460970ad2e3ed255a6a4a7af7d28cbb98582dd225c27b29664e7c631c80c77",
"url": "https://osv.dev/vulnerability/USN-6444-1",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "linux, linux-aws, linux-aws-6.2, linux-azure, linux-azure-6.2, linux-azure-fde-6.2, linux-gcp, linux-gcp-6.2, linux-hwe-6.2, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-6.2, linux-oracle, linux-",
"summary": "Ross Lagerwall discovered that the Xen netback backend driver in the Linux kernel did not properly handle certain unusual packets from a paravirtualized network frontend, leading to a buffer overflow. An attacker in a guest VM could use this to cause a denial of service (host system crash) or possibly execute arbitrary code. (CVE-2023-34319) Bien Pham discovered that the netfiler subsystem in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. A local user could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-4244) Kyle Zeng discovered that the networking stack implementation in the Linux kernel did not properly validate skb object size in certain conditions. An attacker could use this cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-42752) Kyle Zeng discovered that the netfiler subsystem in the Linux kernel did not properly calculate array offsets, leading to a out-of-bounds write vulnerability. A local user could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-42753) Kyle Zeng discovered that the IPv4 Resource Reservation Protocol (RSVP) classifier implementation in the Linux kernel contained an out-of-bounds read vulnerability. A local attacker could use this to cause a denial of service (system crash). Please note that kernel packet classifier support for RSVP has been removed to resolve this vulner",
"evidence": "osv:USN-6444-1",
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{
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{
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"affected_versions": [
{
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{
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{
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{
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{
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"evidence": "/affected/3/versions"
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{
"value": "6.2.0-1016.18~22.04.1",
"evidence": "/affected/3/versions"
}
]
},
{
"name": {
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"prerequisites": [],
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{
"value": "6.2.0-35.35~22.04.1",
"evidence": "/affected/4/ranges"
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],
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{
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{
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{
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{
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"cves_map": {
"cves": [
{
"id": "CVE-2023-4244",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
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"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"
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{
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{
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{
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{
"type": "CVSS_V3",
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},
{
"type": "Ubuntu",
"score": "high"
}
]
},
{
"id": "CVE-2023-4881",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "high"
}
]
},
{
"id": "CVE-2023-4921",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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-2023-5197",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H"
},
{
"type": "Ubuntu",
"score": "high"
}
]
},
{
"id": "CVE-2023-34319",
"severity": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA: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": "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-2023-42752",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
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}
]
},
{
"id": "CVE-2023-42753",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/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-2023-42755",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "high"
}
]
},
{
"id": "CVE-2023-42756",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "high"
}
]
}
],
"ecosystem": "Ubuntu:22.04:LTS"
}
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "linux-aws-6.2-cloud-tools-6.2.0-1014",
"binary_version": "6.2.0-1014.14~22.04.1"
},
{
"binary_name": "linux-aws-6.2-headers-6.2.0-1014",
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{
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{
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{
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{
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},
{
"binary_name": "linux-image-unsigned-6.2.0-1014-aws",
"binary_version": "6.2.0-1014.14~22.04.1"
},
{
"binary_name": "linux-modules-6.2.0-1014-aws",
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},
{
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},
{
"binary_name": "linux-tools-6.2.0-1014-aws",
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}
],
"availability": "No subscription required"
}
},
{
"ranges": [
{
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{
"introduced": "0"
},
{
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}
]
}
],
"package": {
"name": "linux-azure-6.2",
"purl": "pkg:deb/ubuntu/linux-azure-6.2?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
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"6.2.0-1005.5~22.04.1",
"6.2.0-1006.6~22.04.1",
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"6.2.0-1009.9~22.04.3",
"6.2.0-1011.11~22.04.1",
"6.2.0-1012.12~22.04.1",
"6.2.0-1014.14~22.04.1"
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"upstream": [
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"CVE-2023-4244",
"CVE-2023-42752",
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"CVE-2023-42756",
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"references": [
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"https://ubuntu.com/security/CVE-2023-4244",
"https://ubuntu.com/security/CVE-2023-4622",
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},
{
"value": "CVE-2023-42756",
"evidence": "/upstream"
},
{
"value": "CVE-2023-4622",
"evidence": "/upstream"
},
{
"value": "CVE-2023-4623",
"evidence": "/upstream"
},
{
"value": "CVE-2023-4881",
"evidence": "/upstream"
},
{
"value": "CVE-2023-4921",
"evidence": "/upstream"
},
{
"value": "CVE-2023-5197",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 410091,
"published_at": "2023-10-19T23:01:45+00:00"
}