UnratedFix available
linux-gcp-5.15, linux-gkeop-5.15 vulnerabilities
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-gcp-5.15, linux-gkeop-5.15
- Affected versions
- 5.15.0-1003.5~20.04.2, 5.15.0-1005.7~20.04.1, 5.15.0-1006.9~20.04.1, 5.15.0-1007.10~20.04.1, 5.15.0-1008.12~20.04.1, 5.15.0-1011.15~20.04.2, 5.15.0-1012.16~20.04.1, 5.15.0-1012.17~20.04.1, 5.15.0-1013.17~20.04.1, 5.15.0-1013.18~20.04.1, 5.15.0-1015.19~20.04.1, 5.15.0-1016.21~20.04.1, 5.15.0-1017.22~20.04.1, 5.15.0-1017.23~20.04.2, 5.15.0-1018.23~20.04.1, 5.15.0-1018.24~20.04.1, 5.15.0-1019.24~20.04.1, 5.15.0-1020.25~20.04.1, 5.15.0-1021.26~20.04.1, 5.15.0-1021.28~20.04.1, 5.15.0-1022.27~20.04.1, 5.15.0-1022.29~20.04.1, 5.15.0-1023.28~20.04.1, 5.15.0-1024.29~20.04.1, 5.15.0-1025.30~20.04.1, 5.15.0-1025.32~20.04.2, 5.15.0-1026.31~20.04.1, 5.15.0-1026.33~20.04.1, 5.15.0-1027.32~20.04.1, 5.15.0-1027.34~20.04.1, 5.15.0-1028.33~20.04.1, 5.15.0-1029.36~20.04.1, 5.15.0-1030.35~20.04.1, 5.15.0-1030.37~20.04.1, 5.15.0-1031.38~20.04.1, 5.15.0-1032.40~20.04.1, 5.15.0-1033.41~20.04.1, 5.15.0-1034.42~20.04.1, 5.15.0-1035.43~20.04.1, 5.15.0-1036.44~20.04.1, 5.15.0-1037.45~20.04.1, 5.15.0-1038.46~20.04.1, 5.15.0-1039.47~20.04.1, 5.15.0-1040.48~20.04.1, 5.15.0-1041.49~20.04.1, 5.15.0-1042.50~20.04.1, 5.15.0-1044.52~20.04.1
- Fixed versions
- 5.15.0-1031.37~20.04.1, 5.15.0-1045.53~20.04.2
- 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-gcp-5.15, linux-gkeop-5.15 vulnerabilities
core-osv · Original sourcePublished 24 Oct 2023, 13:22 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-6446-2
linux-gcp-5.15
Fixed versions: 5.15.0-1045.53~20.04.2
linux-gkeop-5.15
Fixed versions: 5.15.0-1031.37~20.04.1
Complete source record
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"method": "structured",
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"title": "linux-gcp-5.15, linux-gkeop-5.15 vulnerabilities",
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"database_specific": {
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"id": "CVE-2023-4244",
"severity": [
{
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"type": "CVSS_V3",
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{
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"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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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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"severity": [
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"type": "CVSS_V3",
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},
{
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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",
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{
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{
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{
"type": "CVSS_V3",
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},
{
"type": "Ubuntu",
"score": "high"
}
]
}
],
"ecosystem": "Ubuntu:20.04:LTS"
}
},
"ecosystem_specific": {
"binaries": [
{
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},
{
"binary_name": "linux-gcp-5.15-headers-5.15.0-1045",
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],
"availability": "No subscription required"
}
},
{
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"events": [
{
"introduced": "0"
},
{
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],
"package": {
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"id": "CVE-2023-4244",
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{
"type": "CVSS_V3",
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{
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{
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"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"
},
{
"type": "Ubuntu",
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{
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{
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"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-2023-4881",
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{
"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",
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{
"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",
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{
"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",
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}
]
},
{
"id": "CVE-2023-34319",
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{
"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",
"score": "high"
}
]
},
{
"id": "CVE-2023-42753",
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{
"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:20.04:LTS"
}
},
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],
"modified": "2026-10-22T23:18:59.405663038Z",
"provider": "osv",
"upstream": [
"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",
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"UBUNTU-CVE-2023-4622",
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"UBUNTU-CVE-2023-4881",
"UBUNTU-CVE-2023-4921",
"UBUNTU-CVE-2023-5197"
],
"references": [
"https://ubuntu.com/security/notices/USN-6446-2",
"https://ubuntu.com/security/CVE-2023-4244",
"https://ubuntu.com/security/CVE-2023-4622",
"https://ubuntu.com/security/CVE-2023-4623",
"https://ubuntu.com/security/CVE-2023-4881",
"https://ubuntu.com/security/CVE-2023-4921",
"https://ubuntu.com/security/CVE-2023-5197",
"https://ubuntu.com/security/CVE-2023-34319",
"https://ubuntu.com/security/CVE-2023-42752",
"https://ubuntu.com/security/CVE-2023-42753",
"https://ubuntu.com/security/CVE-2023-42755",
"https://ubuntu.com/security/CVE-2023-42756"
]
},
"related_cves": [
{
"value": "CVE-2023-34319",
"evidence": "/upstream"
},
{
"value": "CVE-2023-4244",
"evidence": "/upstream"
},
{
"value": "CVE-2023-42752",
"evidence": "/upstream"
},
{
"value": "CVE-2023-42753",
"evidence": "/upstream"
},
{
"value": "CVE-2023-42755",
"evidence": "/upstream"
},
{
"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": 410090,
"published_at": "2023-10-24T13:22:18+00:00"
}