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CERTFR-2023-AVI-0625
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 exécution de code arbitraire, un déni de service et une élévation de privilèges.
Solution
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
NoneReferences
| Title | Publication Time | Tags | |||
|---|---|---|---|---|---|
|
|||||
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"affected_systems": [
{
"description": "Ubuntu 20.04 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-2023-3390",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-3390"
},
{
"name": "CVE-2023-3090",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-3090"
},
{
"name": "CVE-2023-32629",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-32629"
},
{
"name": "CVE-2023-35001",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-35001"
}
],
"links": [],
"reference": "CERTFR-2023-AVI-0625",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2023-08-04T00:00:00.000000"
}
],
"risks": [
{
"description": "Ex\u00e9cution de code arbitraire"
},
{
"description": "D\u00e9ni de service"
},
{
"description": "\u00c9l\u00e9vation de privil\u00e8ges"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans le noyau Linux\nd\u0027Ubuntu. Elles permettent \u00e0 un attaquant de provoquer une ex\u00e9cution de\ncode arbitraire, un d\u00e9ni de service et une \u00e9l\u00e9vation de privil\u00e8ges.\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-6261-1 du 28 juillet 2023",
"url": "https://ubuntu.com/security/notices/USN-6261-1"
}
]
}
CVE-2023-3090 (GCVE-0-2023-3090)
Vulnerability from cvelistv5 – Published: 2023-06-28 19:06 – Updated: 2025-03-05 18:55
VLAI?
EPSS
Summary
A heap out-of-bounds write vulnerability in the Linux Kernel ipvlan network driver can be exploited to achieve local privilege escalation.
The out-of-bounds write is caused by missing skb->cb initialization in the ipvlan network driver. The vulnerability is reachable if CONFIG_IPVLAN is enabled.
We recommend upgrading past commit 90cbed5247439a966b645b34eb0a2e037836ea8e.
Severity ?
7.8 (High)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
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CVE-2023-3390 (GCVE-0-2023-3390)
Vulnerability from cvelistv5 – Published: 2023-06-28 20:02 – Updated: 2025-02-13 16:55
VLAI?
EPSS
Summary
A use-after-free vulnerability was found in the Linux kernel's netfilter subsystem in net/netfilter/nf_tables_api.c.
Mishandled error handling with NFT_MSG_NEWRULE makes it possible to use a dangling pointer in the same transaction causing a use-after-free vulnerability. This flaw allows a local attacker with user access to cause a privilege escalation issue.
We recommend upgrading past commit 1240eb93f0616b21c675416516ff3d74798fdc97.
Severity ?
7.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux Kernel |
Affected:
3.16 , < 6.4
(custom)
|
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CVE-2023-32629 (GCVE-0-2023-32629)
Vulnerability from cvelistv5 – Published: 2023-07-26 01:59 – Updated: 2025-02-13 16:54
VLAI?
EPSS
Summary
Local privilege escalation vulnerability in Ubuntu Kernels overlayfs ovl_copy_up_meta_inode_data skip permission checks when calling ovl_do_setxattr on Ubuntu kernels
Severity ?
7.8 (High)
CWE
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Canonical | Ubuntu Kernel |
Unaffected:
0 , < 6.2.0-26.26
(semver)
Unaffected: 0 , < 6.0.0-1020.20 (semver) Unaffected: 0 , < 5.4.0-155.172 (semver) |
Credits
Shir Tamari
Sagi Tzadik
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CVE-2023-35001 (GCVE-0-2023-35001)
Vulnerability from cvelistv5 – Published: 2023-07-05 18:35 – Updated: 2025-02-13 16:55
VLAI?
EPSS
Summary
Linux Kernel nftables Out-Of-Bounds Read/Write Vulnerability; nft_byteorder poorly handled vm register contents when CAP_NET_ADMIN is in any user or network namespace
Severity ?
7.8 (High)
CWE
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux Kernel |
Affected:
v3.13-rc1
|
Credits
Tanguy Dubroca
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Sightings
| Author | Source | Type | Date |
|---|
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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