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CERTFR-2023-AVI-0345
Vulnerability from certfr_avis - Published: - Updated:
De multiples vulnérabilités ont été découvertes dans le noyau Linux d'Ubuntu. Elles permettent à un attaquant de provoquer une élévation de privilèges, une exécution de code arbitraire à distance et une atteinte à la confidentialité des données.
Solution
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
NoneImpacted products
References
| Title | Publication Time | Tags | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Ubuntu 22.10",
"product": {
"name": "Ubuntu",
"vendor": {
"name": "Ubuntu",
"scada": false
}
}
},
{
"description": "Ubuntu 16.04 ESM",
"product": {
"name": "Ubuntu",
"vendor": {
"name": "Ubuntu",
"scada": false
}
}
},
{
"description": "Ubuntu 18.04 LTS",
"product": {
"name": "Ubuntu",
"vendor": {
"name": "Ubuntu",
"scada": false
}
}
},
{
"description": "Ubuntu 20.04 LTS",
"product": {
"name": "Ubuntu",
"vendor": {
"name": "Ubuntu",
"scada": false
}
}
},
{
"description": "Ubuntu 14.04 ESM",
"product": {
"name": "Ubuntu",
"vendor": {
"name": "Ubuntu",
"scada": false
}
}
},
{
"description": "Ubuntu 22.04 LTS",
"product": {
"name": "Ubuntu",
"vendor": {
"name": "Ubuntu",
"scada": false
}
}
}
],
"affected_systems_content": null,
"content": "## Solution\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des\ncorrectifs (cf. section Documentation).\n",
"cves": [
{
"name": "CVE-2023-1281",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-1281"
},
{
"name": "CVE-2022-47929",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-47929"
},
{
"name": "CVE-2022-4842",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-4842"
},
{
"name": "CVE-2023-1074",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-1074"
},
{
"name": "CVE-2022-4129",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-4129"
},
{
"name": "CVE-2023-1390",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-1390"
},
{
"name": "CVE-2023-1670",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-1670"
},
{
"name": "CVE-2022-4095",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-4095"
},
{
"name": "CVE-2022-3586",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-3586"
},
{
"name": "CVE-2023-1872",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-1872"
},
{
"name": "CVE-2023-26545",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-26545"
},
{
"name": "CVE-2023-0394",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-0394"
},
{
"name": "CVE-2023-0386",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-0386"
},
{
"name": "CVE-2023-1829",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-1829"
},
{
"name": "CVE-2023-1073",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-1073"
},
{
"name": "CVE-2023-1652",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-1652"
}
],
"links": [],
"reference": "CERTFR-2023-AVI-0345",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2023-04-28T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
},
{
"description": "Ex\u00e9cution de code arbitraire \u00e0 distance"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
},
{
"description": "\u00c9l\u00e9vation de privil\u00e8ges"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans \u003cspan\nclass=\"textit\"\u003ele noyau Linux d\u0027Ubuntu\u003c/span\u003e. Elles permettent \u00e0 un\nattaquant de provoquer une \u00e9l\u00e9vation de privil\u00e8ges, une ex\u00e9cution de\ncode arbitraire \u00e0 distance et une atteinte \u00e0 la confidentialit\u00e9 des\ndonn\u00e9es.\n",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans le noyau Linux d\u0027Ubuntu",
"vendor_advisories": [
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-6043-1 du 26 avril 2023",
"url": "https://ubuntu.com/security/notices/USN-6043-1"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-6047-1 du 27 avril 2023",
"url": "https://ubuntu.com/security/notices/USN-6047-1"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-6040-1 du 25 avril 2023",
"url": "https://ubuntu.com/security/notices/USN-6040-1"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-6045-1 du 26 avril 2023",
"url": "https://ubuntu.com/security/notices/USN-6045-1"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-6044-1 du 26 avril 2023",
"url": "https://ubuntu.com/security/notices/USN-6044-1"
}
]
}
CVE-2022-3586 (GCVE-0-2022-3586)
Vulnerability from cvelistv5 – Published: 2022-10-19 00:00 – Updated: 2025-05-09 14:48
VLAI
EPSS
Summary
A flaw was found in the Linux kernel’s networking code. A use-after-free was found in the way the sch_sfb enqueue function used the socket buffer (SKB) cb field after the same SKB had been enqueued (and freed) into a child qdisc. This flaw allows a local, unprivileged user to crash the system, causing a denial of service.
Severity
5.5 (Medium)
CWE
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Linux Kernel |
Affected:
Fixed in kernel v6.0
|
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CVE-2022-4095 (GCVE-0-2022-4095)
Vulnerability from cvelistv5 – Published: 2023-03-22 00:00 – Updated: 2025-02-26 16:10
VLAI
EPSS
Summary
A use-after-free flaw was found in Linux kernel before 5.19.2. This issue occurs in cmd_hdl_filter in drivers/staging/rtl8712/rtl8712_cmd.c, allowing an attacker to launch a local denial of service attack and gain escalation of privileges.
Severity
7.8 (High)
CWE
Assigner
References
Impacted products
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CVE-2022-4129 (GCVE-0-2022-4129)
Vulnerability from cvelistv5 – Published: 2022-11-28 00:00 – Updated: 2025-04-14 18:09
VLAI
EPSS
Summary
A flaw was found in the Linux kernel's Layer 2 Tunneling Protocol (L2TP). A missing lock when clearing sk_user_data can lead to a race condition and NULL pointer dereference. A local user could use this flaw to potentially crash the system causing a denial of service.
Severity
5.5 (Medium)
CWE
- CWE-667 - >CWE-362->CWE-476
Assigner
References
6 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Linux kernel (l2tp) |
Affected:
up to v6.0
|
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},
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CVE-2022-47929 (GCVE-0-2022-47929)
Vulnerability from cvelistv5 – Published: 2023-01-17 00:00 – Updated: 2025-04-04 18:01
VLAI
EPSS
Summary
In the Linux kernel before 6.1.6, a NULL pointer dereference bug in the traffic control subsystem allows an unprivileged user to trigger a denial of service (system crash) via a crafted traffic control configuration that is set up with "tc qdisc" and "tc class" commands. This affects qdisc_graft in net/sched/sch_api.c.
Severity
5.5 (Medium)
CWE
- n/a
Assigner
References
7 references
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CVE-2022-4842 (GCVE-0-2022-4842)
Vulnerability from cvelistv5 – Published: 2023-01-12 00:00 – Updated: 2025-04-08 13:45
VLAI
EPSS
Summary
A flaw NULL Pointer Dereference in the Linux kernel NTFS3 driver function attr_punch_hole() was found. A local user could use this flaw to crash the system.
Severity
5.5 (Medium)
CWE
Assigner
References
1 reference
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CVE-2023-0386 (GCVE-0-2023-0386)
Vulnerability from cvelistv5 – Published: 2023-03-22 00:00 – Updated: 2025-10-21 23:15
VLAI
EPSS
Summary
A flaw was found in the Linux kernel, where unauthorized access to the execution of the setuid file with capabilities was found in the Linux kernel’s OverlayFS subsystem in how a user copies a capable file from a nosuid mount into another mount. This uid mapping bug allows a local user to escalate their privileges on the system.
Severity
7.8 (High)
CWE
Assigner
References
6 references
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CVE-2023-0394 (GCVE-0-2023-0394)
Vulnerability from cvelistv5 – Published: 2023-01-24 00:00 – Updated: 2025-03-31 14:48
VLAI
EPSS
Summary
A NULL pointer dereference flaw was found in rawv6_push_pending_frames in net/ipv6/raw.c in the network subcomponent in the Linux kernel. This flaw causes the system to crash.
Severity
5.5 (Medium)
CWE
Assigner
References
4 references
Impacted products
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CVE-2023-1073 (GCVE-0-2023-1073)
Vulnerability from cvelistv5 – Published: 2023-03-27 00:00 – Updated: 2025-04-23 16:23
VLAI
EPSS
Summary
A memory corruption flaw was found in the Linux kernel’s human interface device (HID) subsystem in how a user inserts a malicious USB device. This flaw allows a local user to crash or potentially escalate their privileges on the system.
Severity
6.6 (Medium)
CWE
Assigner
References
7 references
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CVE-2023-1074 (GCVE-0-2023-1074)
Vulnerability from cvelistv5 – Published: 2023-03-27 00:00 – Updated: 2025-03-19 15:44
VLAI
EPSS
Summary
A memory leak flaw was found in the Linux kernel's Stream Control Transmission Protocol. This issue may occur when a user starts a malicious networking service and someone connects to this service. This could allow a local user to starve resources, causing a denial of service.
Severity
5.5 (Medium)
CWE
Assigner
References
6 references
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CVE-2023-1281 (GCVE-0-2023-1281)
Vulnerability from cvelistv5 – Published: 2023-03-22 13:18 – Updated: 2025-03-05 19:22
VLAI
EPSS
Title
UAF in Linux kernel's tcindex (traffic control index filter) implementation
Summary
Use After Free vulnerability in Linux kernel traffic control index filter (tcindex) allows Privilege Escalation. The imperfect hash area can be updated while packets are traversing, which will cause a use-after-free when 'tcf_exts_exec()' is called with the destroyed tcf_ext. A local attacker user can use this vulnerability to elevate its privileges to root.
This issue affects Linux Kernel: from 4.14 before git commit ee059170b1f7e94e55fa6cadee544e176a6e59c2.
Severity
7.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
6 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux Kernel |
Affected:
4.14 , ≤ 6.2
(custom)
|
Date Public
2023-02-09 15:37
Credits
valis
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Loading…
Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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