Fix of 7 CVEs
[ Ubuntu: 4.15.0-220.231 ] * CVE-2023-0597 // CVE-url: https://ubuntu.com/security/CVE-2023-0597 - x86/kasan: Map shadow for percpu pages on demand - x86/mm: Recompute physical address for every page of per-CPU CEA mapping - x86/mm: Populate KASAN shadow for entire per-CPU range of CPU entry area - x86/mm: Do not shuffle CPU entry areas without KASLR * CVE-url: https://ubuntu.com/security/CVE-2023-0597 - random32: add noise from network and scheduling activity - x86/mm: Randomize per-cpu entry area - x86/cpu_entry_area: Move percpu_setup_debug_store() to __init section - x86/cpu_entry_area: Cleanup setup functions * CVE-2023-42752 // CVE-url: https://ubuntu.com/security/CVE-2023-42752 - igmp: limit igmpv3_newpack() packet size to IP_MAX_MTU * CVE-2023-4623 // CVE-url: https://ubuntu.com/security/CVE-2023-4623 - net/sched: sch_hfsc: Ensure inner classes have fsc curve * CVE-2023-34319 // CVE-url: https://ubuntu.com/security/CVE-2023-34319 - xen/netback: Fix buffer overrun triggered by unusual packet * CVE-2023-4881 // CVE-url: https://ubuntu.com/security/CVE-2023-4881 - netfilter: nftables: exthdr: fix 4-byte stack OOB write * CVE-2023-31083 // CVE-url: https://ubuntu.com/security/CVE-2023-31083 - Bluetooth: hci_ldisc: check HCI_UART_PROTO_READY flag in HCIUARTGETPROTO * CVE-2023-3772 // CVE-url: https://ubuntu.com/security/CVE-2023-3772 - xfrm: add NULL check in xfrm_update_ae_params
- Products
- linux-buildinfo-4.15.0-220-tuxcare.els18-generic, linux-buildinfo-4.15.0-220-tuxcare.els18-lowlatency, linux-cloud-tools-4.15.0-220-tuxcare.els18-generic, linux-cloud-tools-4.15.0-220-tuxcare.els18-lowlatency, linux-headers-4.15.0-220-tuxcare.els18, linux-headers-4.15.0-220-tuxcare.els18-generic, linux-headers-4.15.0-220-tuxcare.els18-lowlatency, linux-hwe-cloud-tools-4.15.0-220-tuxcare.els18, linux-hwe-tools-4.15.0-220-tuxcare.els18, linux-image-unsigned-4.15.0-220-tuxcare.els18-generic, linux-image-unsigned-4.15.0-220-tuxcare.els18-lowlatency, linux-modules-4.15.0-220-tuxcare.els18-generic, linux-modules-4.15.0-220-tuxcare.els18-lowlatency, linux-modules-extra-4.15.0-220-tuxcare.els18-generic, linux-source-4.15.0, linux-tools-4.15.0-220-tuxcare.els18-generic, linux-tools-4.15.0-220-tuxcare.els18-lowlatency
- Affected versions
- Not specified
- Fixed versions
- 4.15.0-220.231~16.04.1
- CVEs
- CVE-2023-0597, CVE-2023-31083, CVE-2023-34319, CVE-2023-3772, CVE-2023-42752, CVE-2023-4623, CVE-2023-4881
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:53 UTC · Revision 1
Source evidence
[ Ubuntu: 4.15.0-220.231 ] * CVE-2023-0597 // CVE-url: https://ubuntu.com/security/CVE-2023-0597 - x86/kasan: Map shadow for percpu pages on demand - x86/mm: Recompute physical address for every page of per-CPU CEA mapping - x86/mm: Populate KASAN shadow for entire per-CPU range of CPU entry area - x86/mm: Do not shuffle CPU entry areas without KASLR * CVE-url: https://ubuntu.com/security/CVE-2023-0597 - random32: add noise from network and scheduling activity - x86/mm: Randomize per-cpu entry area - x86/cpu_entry_area: Move percpu_setup_debug_store() to __init section - x86/cpu_entry_area: Cleanup setup functions * CVE-2023-42752 // CVE-url: https://ubuntu.com/security/CVE-2023-42752 - igmp: limit igmpv3_newpack() packet size to IP_MAX_MTU * CVE-2023-4623 // CVE-url: https://ubuntu.com/security/CVE-2023-4623 - net/sched: sch_hfsc: Ensure inner classes have fsc curve * CVE-2023-34319 // CVE-url: https://ubuntu.com/security/CVE-2023-34319 - xen/netback: Fix buffer overrun triggered by unusual packet * CVE-2023-4881 // CVE-url: https://ubuntu.com/security/CVE-2023-4881 - netfilter: nftables: exthdr: fix 4-byte stack OOB write * CVE-2023-31083 // CVE-url: https://ubuntu.com/security/CVE-2023-31083 - Bluetooth: hci_ldisc: check HCI_UART_PROTO_READY flag in HCIUARTGETPROTO * CVE-2023-3772 // CVE-url: https://ubuntu.com/security/CVE-2023-3772 - xfrm: add NULL check in xfrm_update_ae_params
osv:CLSA-2023-1698305104
linux-buildinfo-4.15.0-220-tuxcare.els18-generic
Fixed versions: 4.15.0-220.231~16.04.1
linux-buildinfo-4.15.0-220-tuxcare.els18-lowlatency
Fixed versions: 4.15.0-220.231~16.04.1
linux-cloud-tools-4.15.0-220-tuxcare.els18-generic
Fixed versions: 4.15.0-220.231~16.04.1
linux-cloud-tools-4.15.0-220-tuxcare.els18-lowlatency
Fixed versions: 4.15.0-220.231~16.04.1
linux-headers-4.15.0-220-tuxcare.els18
Fixed versions: 4.15.0-220.231~16.04.1
linux-headers-4.15.0-220-tuxcare.els18-generic
Fixed versions: 4.15.0-220.231~16.04.1
linux-headers-4.15.0-220-tuxcare.els18-lowlatency
Fixed versions: 4.15.0-220.231~16.04.1
linux-hwe-cloud-tools-4.15.0-220-tuxcare.els18
Fixed versions: 4.15.0-220.231~16.04.1
linux-hwe-tools-4.15.0-220-tuxcare.els18
Fixed versions: 4.15.0-220.231~16.04.1
linux-image-unsigned-4.15.0-220-tuxcare.els18-generic
Fixed versions: 4.15.0-220.231~16.04.1
linux-image-unsigned-4.15.0-220-tuxcare.els18-lowlatency
Fixed versions: 4.15.0-220.231~16.04.1
linux-modules-4.15.0-220-tuxcare.els18-generic
Fixed versions: 4.15.0-220.231~16.04.1
linux-modules-4.15.0-220-tuxcare.els18-lowlatency
Fixed versions: 4.15.0-220.231~16.04.1
linux-modules-extra-4.15.0-220-tuxcare.els18-generic
Fixed versions: 4.15.0-220.231~16.04.1
linux-source-4.15.0
Fixed versions: 4.15.0-220.231~16.04.1
linux-tools-4.15.0-220-tuxcare.els18-generic
Fixed versions: 4.15.0-220.231~16.04.1
linux-tools-4.15.0-220-tuxcare.els18-lowlatency
Fixed versions: 4.15.0-220.231~16.04.1
Complete source record
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"url": "https://osv.dev/vulnerability/CLSA-2023-1698305104",
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},
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}
],
"package": {
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"purl": "pkg:deb/tuxcare/linux-modules-4.15.0-220-tuxcare.els18-lowlatency?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2023-1698305104.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.15.0-220.231~16.04.1"
}
]
}
],
"package": {
"name": "linux-modules-extra-4.15.0-220-tuxcare.els18-generic",
"purl": "pkg:deb/tuxcare/linux-modules-extra-4.15.0-220-tuxcare.els18-generic?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2023-1698305104.json"
}
},
{
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},
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}
]
}
],
"package": {
"name": "linux-source-4.15.0",
"purl": "pkg:deb/tuxcare/linux-source-4.15.0?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2023-1698305104.json"
}
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{
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]
}
],
"package": {
"name": "linux-tools-4.15.0-220-tuxcare.els18-generic",
"purl": "pkg:deb/tuxcare/linux-tools-4.15.0-220-tuxcare.els18-generic?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2023-1698305104.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
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},
{
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}
]
}
],
"package": {
"name": "linux-tools-4.15.0-220-tuxcare.els18-lowlatency",
"purl": "pkg:deb/tuxcare/linux-tools-4.15.0-220-tuxcare.els18-lowlatency?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2023-1698305104.json"
}
}
],
"modified": "2026-10-26T09:43:40.340636187Z",
"provider": "osv",
"upstream": [
"CVE-2023-0597",
"CVE-2023-31083",
"CVE-2023-34319",
"CVE-2023-3772",
"CVE-2023-42752",
"CVE-2023-4623",
"CVE-2023-4881"
],
"references": [
"https://errata.tuxcare.com/els_os/ubuntu16.04els/CLSA-2023-1698305104.html",
"https://nvd.nist.gov/vuln/detail/CVE-2023-0597",
"https://nvd.nist.gov/vuln/detail/CVE-2023-31083",
"https://nvd.nist.gov/vuln/detail/CVE-2023-34319",
"https://nvd.nist.gov/vuln/detail/CVE-2023-3772",
"https://nvd.nist.gov/vuln/detail/CVE-2023-42752",
"https://nvd.nist.gov/vuln/detail/CVE-2023-4623",
"https://nvd.nist.gov/vuln/detail/CVE-2023-52628"
]
},
"related_cves": [
{
"value": "CVE-2023-0597",
"evidence": "/upstream"
},
{
"value": "CVE-2023-31083",
"evidence": "/upstream"
},
{
"value": "CVE-2023-34319",
"evidence": "/upstream"
},
{
"value": "CVE-2023-3772",
"evidence": "/upstream"
},
{
"value": "CVE-2023-42752",
"evidence": "/upstream"
},
{
"value": "CVE-2023-4623",
"evidence": "/upstream"
},
{
"value": "CVE-2023-4881",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 450064,
"published_at": "2026-10-21T08:00:43+00:00"
}