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CERTFR-2023-AVI-0244
Vulnerability from certfr_avis - Published: 2023-03-17 - Updated: 2023-03-17
De multiples vulnérabilités ont été découvertes dans le noyau Linux d'Ubuntu. Elles permettent à un attaquant de provoquer un déni de service à distance, une atteinte à la confidentialité des données et une exécution de code arbitraire à distance.
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 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 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-2022-47521",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-47521"
},
{
"name": "CVE-2022-47520",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-47520"
},
{
"name": "CVE-2023-0461",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-0461"
},
{
"name": "CVE-2023-23454",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-23454"
},
{
"name": "CVE-2022-47929",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-47929"
},
{
"name": "CVE-2022-4379",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-4379"
},
{
"name": "CVE-2022-42329",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-42329"
},
{
"name": "CVE-2023-23455",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-23455"
},
{
"name": "CVE-2022-47518",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-47518"
},
{
"name": "CVE-2023-0266",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-0266"
},
{
"name": "CVE-2022-3435",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-3435"
},
{
"name": "CVE-2022-3169",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-3169"
},
{
"name": "CVE-2022-45869",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-45869"
},
{
"name": "CVE-2022-36280",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-36280"
},
{
"name": "CVE-2022-41218",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-41218"
},
{
"name": "CVE-2022-3344",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-3344"
},
{
"name": "CVE-2023-0179",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-0179"
},
{
"name": "CVE-2022-3545",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-3545"
},
{
"name": "CVE-2023-26605",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-26605"
},
{
"name": "CVE-2022-42328",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-42328"
},
{
"name": "CVE-2023-0394",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-0394"
},
{
"name": "CVE-2023-20938",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-20938"
},
{
"name": "CVE-2022-3424",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-3424"
},
{
"name": "CVE-2022-47519",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-47519"
},
{
"name": "CVE-2023-0045",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-0045"
},
{
"name": "CVE-2022-3623",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-3623"
},
{
"name": "CVE-2022-4139",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-4139"
},
{
"name": "CVE-2022-3521",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-3521"
},
{
"name": "CVE-2023-0468",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-0468"
}
],
"initial_release_date": "2023-03-17T00:00:00",
"last_revision_date": "2023-03-17T00:00:00",
"links": [],
"reference": "CERTFR-2023-AVI-0244",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2023-03-17T00:00:00.000000"
}
],
"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"
}
],
"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 un d\u00e9ni de service \u00e0 distance, une atteinte \u00e0 la\nconfidentialit\u00e9 des donn\u00e9es et une ex\u00e9cution de code arbitraire \u00e0\ndistance.\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-5962-1 du 16 mars 2023",
"url": "https://ubuntu.com/security/notices/USN-5962-1"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-5951-1 du 14 mars 2023",
"url": "https://ubuntu.com/security/notices/USN-5951-1"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-5950-1 du 14 mars 2023",
"url": "https://ubuntu.com/security/notices/USN-5950-1"
}
]
}
CVE-2023-0179 (GCVE-0-2023-0179)
Vulnerability from cvelistv5 – Published: 2023-03-27 00:00 – Updated: 2025-02-19 16:12
VLAI
EPSS
Summary
A buffer overflow vulnerability was found in the Netfilter subsystem in the Linux Kernel. This issue could allow the leakage of both stack and heap addresses, and potentially allow Local Privilege Escalation to the root user via arbitrary code execution.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
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CVE-2023-0266 (GCVE-0-2023-0266)
Vulnerability from cvelistv5 – Published: 2023-01-30 13:09 – Updated: 2025-10-21 23:15
VLAI
EPSS
Title
Use after free in SNDRV_CTL_IOCTL_ELEM in Linux Kernel
Summary
A use after free vulnerability exists in the ALSA PCM package in the Linux Kernel. SNDRV_CTL_IOCTL_ELEM_{READ|WRITE}32 is missing locks that can be used in a use-after-free that can result in a priviledge escalation to gain ring0 access from the system user. We recommend upgrading past commit 56b88b50565cd8b946a2d00b0c83927b7ebb055e
Severity
7.9 (High)
SSVC
Exploitation: active
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux Kernel |
Affected:
4.14 , < 56b88b50565cd8b946a2d00b0c83927b7ebb055e
(git)
|
Date Public
2023-01-13 00:00
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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)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
4 references
Impacted products
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CVE-2023-0461 (GCVE-0-2023-0461)
Vulnerability from cvelistv5 – Published: 2023-02-28 14:23 – Updated: 2025-02-13 16:38
VLAI
EPSS
Title
Use-after-free vulnerability in the Linux Kernel
Summary
There is a use-after-free vulnerability in the Linux Kernel which can be exploited to achieve local privilege escalation. To reach the vulnerability kernel configuration flag CONFIG_TLS or CONFIG_XFRM_ESPINTCP has to be configured, but the operation does not require any privilege.
There is a use-after-free bug of icsk_ulp_data of a struct inet_connection_sock.
When CONFIG_TLS is enabled, user can install a tls context (struct tls_context) on a connected tcp socket. The context is not cleared if this socket is disconnected and reused as a listener. If a new socket is created from the listener, the context is inherited and vulnerable.
The setsockopt TCP_ULP operation does not require any privilege.
We recommend upgrading past commit 2c02d41d71f90a5168391b6a5f2954112ba2307c
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux Kernel |
Affected:
0 , < 2c02d41d71f90a5168391b6a5f2954112ba2307c
(git)
|
Date Public
2023-01-02 23:00
Credits
slipper
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CVE-2023-0468 (GCVE-0-2023-0468)
Vulnerability from cvelistv5 – Published: 2023-01-25 00:00 – Updated: 2025-04-01 15:06
VLAI
EPSS
Summary
A use-after-free flaw was found in io_uring/poll.c in io_poll_check_events in the io_uring subcomponent in the Linux Kernel due to a race condition of poll_refs. This flaw may cause a NULL pointer dereference.
Severity
4.7 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- Kernel 6.1 RC7
- CWE-416 - Use After Free
Assigner
References
1 reference
Impacted products
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CVE-2023-20938 (GCVE-0-2023-20938)
Vulnerability from cvelistv5 – Published: 2023-02-28 00:00 – Updated: 2024-08-02 09:21
VLAI
EPSS
Summary
In binder_transaction_buffer_release of binder.c, there is a possible use after free due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-257685302References: Upstream kernel
Severity
8.1 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- Elevation of privilege
- CWE-416 - Use After Free
Assigner
References
1 reference
Impacted products
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CVE-2023-23454 (GCVE-0-2023-23454)
Vulnerability from cvelistv5 – Published: 2023-01-12 00:00 – Updated: 2025-03-20 20:55
VLAI
EPSS
Summary
cbq_classify in net/sched/sch_cbq.c in the Linux kernel through 6.1.4 allows attackers to cause a denial of service (slab-out-of-bounds read) because of type confusion (non-negative numbers can sometimes indicate a TC_ACT_SHOT condition rather than valid classification results).
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
Assigner
References
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CVE-2023-23455 (GCVE-0-2023-23455)
Vulnerability from cvelistv5 – Published: 2023-01-12 00:00 – Updated: 2025-03-20 20:54
VLAI
EPSS
Summary
atm_tc_enqueue in net/sched/sch_atm.c in the Linux kernel through 6.1.4 allows attackers to cause a denial of service because of type confusion (non-negative numbers can sometimes indicate a TC_ACT_SHOT condition rather than valid classification results).
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
Assigner
References
6 references
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CVE-2023-26605 (GCVE-0-2023-26605)
Vulnerability from cvelistv5 – Published: 2023-02-26 00:00 – Updated: 2025-05-05 16:04
VLAI
EPSS
Summary
In the Linux kernel 6.0.8, there is a use-after-free in inode_cgwb_move_to_attached in fs/fs-writeback.c, related to __list_del_entry_valid.
Severity
7.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-416 - Use After Free
Assigner
References
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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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