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CERTFR-2021-AVI-969
Vulnerability from certfr_avis - Published: - Updated:
De multiples vulnérabilités ont été découvertes dans le noyau Linux de Debian. Elles permettent à un attaquant de provoquer un déni de service, une atteinte à la confidentialité des données et une élévation de privilèges.
Solution
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
- Debian 9 (strech) LTS versions antérieures à 4.9.290-1
- Debian 10 (buster) versions antérieures à 4.19.208-1
- Debian 11 (bullseye) versions antérieures à 5.10.84-1
Pour plus d'informations, veuillez-vous référer à la page de suivi des vulnérabilités de l'éditeur. [1]
Impacted products
| Vendor | Product | Description |
|---|
References
| Title | Publication Time | Tags | ||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [],
"affected_systems_content": "\u003cul\u003e \u003cli\u003eDebian 9 (strech) LTS versions ant\u00e9rieures \u00e0 4.9.290-1\u003c/li\u003e \u003cli\u003eDebian 10 (buster) versions ant\u00e9rieures \u00e0 4.19.208-1\u003c/li\u003e \u003cli\u003eDebian 11 (bullseye) versions ant\u00e9rieures \u00e0 5.10.84-1\u003c/li\u003e \u003c/ul\u003e \u003cp\u003ePour plus d\u0027informations, veuillez-vous r\u00e9f\u00e9rer \u00e0 la page de suivi des vuln\u00e9rabilit\u00e9s de l\u0027\u00e9diteur. [1]\u003c/p\u003e ",
"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-2021-20322",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-20322"
},
{
"name": "CVE-2021-20317",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-20317"
},
{
"name": "CVE-2021-3655",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3655"
},
{
"name": "CVE-2021-3816",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3816"
},
{
"name": "CVE-2021-3679",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3679"
},
{
"name": "CVE-2020-3702",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-3702"
},
{
"name": "CVE-2021-41864",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-41864"
},
{
"name": "CVE-2021-38204",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-38204"
},
{
"name": "CVE-2021-3760",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3760"
},
{
"name": "CVE-2021-38199",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-38199"
},
{
"name": "CVE-2021-3753",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3753"
},
{
"name": "CVE-2021-20321",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-20321"
},
{
"name": "CVE-2021-37159",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-37159"
},
{
"name": "CVE-2021-40490",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-40490"
},
{
"name": "CVE-2021-3820",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3820"
},
{
"name": "CVE-2021-38198",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-38198"
},
{
"name": "CVE-2021-4273",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-4273"
},
{
"name": "CVE-2021-22543",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-22543"
},
{
"name": "CVE-2021-0920",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-0920"
},
{
"name": "CVE-2021-3612",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3612"
},
{
"name": "CVE-2021-3732",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3732"
},
{
"name": "CVE-2020-16119",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-16119"
},
{
"name": "CVE-2021-42008",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-42008"
},
{
"name": "CVE-2021-3653",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3653"
},
{
"name": "CVE-2021-43389",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-43389"
}
],
"links": [
{
"title": "[1] Page de suivi des vuln\u00e9rabilit\u00e9s",
"url": "https://security-tracker.debian.org/tracker/source-package/linux"
}
],
"reference": "CERTFR-2021-AVI-969",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2021-12-20T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service"
},
{
"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 le noyau Linux de\nDebian. Elles permettent \u00e0 un attaquant de provoquer un d\u00e9ni de service,\nune atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es et une \u00e9l\u00e9vation de\nprivil\u00e8ges.\n",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans le noyau Linux de Debian",
"vendor_advisories": [
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Debian dla-2843 du 16 d\u00e9cembre 2021",
"url": "https://www.debian.org/lts/security/2021/dla-2843"
}
]
}
CVE-2020-16119 (GCVE-0-2020-16119)
Vulnerability from cvelistv5 – Published: 2021-01-14 01:10 – Updated: 2024-09-16 18:19
VLAI
EPSS
Title
DCCP CCID structure use-after-free
Summary
Use-after-free vulnerability in the Linux kernel exploitable by a local attacker due to reuse of a DCCP socket with an attached dccps_hc_tx_ccid object as a listener after being released. Fixed in Ubuntu Linux kernel 5.4.0-51.56, 5.3.0-68.63, 4.15.0-121.123, 4.4.0-193.224, 3.13.0.182.191 and 3.2.0-149.196.
Severity
6.3 (Medium)
CWE
- CWE-416 - Use After Free
Assigner
References
12 references
| URL | Tags |
|---|---|
| https://launchpad.net/bugs/1883840 | vendor-advisoryx_refsource_UBUNTU |
| https://ubuntu.com/USN-4576-1 | vendor-advisoryx_refsource_UBUNTU |
| https://ubuntu.com/USN-4577-1 | vendor-advisoryx_refsource_UBUNTU |
| https://ubuntu.com/USN-4578-1 | vendor-advisoryx_refsource_UBUNTU |
| https://ubuntu.com/USN-4579-1 | vendor-advisoryx_refsource_UBUNTU |
| https://ubuntu.com/USN-4580-1 | vendor-advisoryx_refsource_UBUNTU |
| https://lore.kernel.org/netdev/20201013171849.236… | x_refsource_CONFIRM |
| https://git.launchpad.net/~ubuntu-kernel/ubuntu/+… | vendor-advisoryx_refsource_UBUNTU |
| https://security.netapp.com/advisory/ntap-2021030… | x_refsource_CONFIRM |
| https://www.debian.org/security/2021/dsa-4978 | vendor-advisoryx_refsource_DEBIAN |
| https://lists.debian.org/debian-lts-announce/2021… | mailing-listx_refsource_MLIST |
| https://lists.debian.org/debian-lts-announce/2021… | mailing-listx_refsource_MLIST |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Canonical | Linux kernel |
Affected:
5.4 kernel , < 5.4.0-51.56
(custom)
Affected: 5.3 kernel , < 5.3.0-68.63 (custom) Affected: 4.15 kernel , < 4.15.0-121.123 (custom) Affected: 4.4 kernel , < 4.4.0-193.224 (custom) Affected: 3.13 kernel , < 3.13.0.182.191 (custom) Affected: 3.2 kernel , < 3.2.0-149.196 (custom) |
Date Public
2020-10-13 00:00
Credits
Hador Manor
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CVE-2020-3702 (GCVE-0-2020-3702)
Vulnerability from cvelistv5 – Published: 2020-09-08 09:31 – Updated: 2024-08-04 07:44
VLAI
EPSS
Summary
u'Specifically timed and handcrafted traffic can cause internal errors in a WLAN device that lead to improper layer 2 Wi-Fi encryption with a consequent possibility of information disclosure over the air for a discrete set of traffic' in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking in APQ8053, IPQ4019, IPQ8064, MSM8909W, MSM8996AU, QCA9531, QCN5502, QCS405, SDX20, SM6150, SM7150
Severity
No CVSS data available.
CWE
- Cryptographic Issues in WIFI driver(Krook)
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://www.qualcomm.com/company/product-security… | x_refsource_CONFIRM |
| https://www.arista.com/en/support/advisories-noti… | x_refsource_CONFIRM |
| https://www.debian.org/security/2021/dsa-4978 | vendor-advisoryx_refsource_DEBIAN |
| https://lists.debian.org/debian-lts-announce/2021… | mailing-listx_refsource_MLIST |
| https://lists.debian.org/debian-lts-announce/2021… | mailing-listx_refsource_MLIST |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Qualcomm, Inc. | Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking |
Affected:
APQ8053, IPQ4019, IPQ8064, MSM8909W, MSM8996AU, QCA9531, QCN5502, QCS405, SDX20, SM6150, SM7150
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CVE-2021-0920 (GCVE-0-2021-0920)
Vulnerability from cvelistv5 – Published: 2021-12-15 18:05 – Updated: 2025-10-21 23:15
VLAI
EPSS
Summary
In unix_scm_to_skb of af_unix.c, there is a possible use after free bug due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-196926917References: Upstream kernel
Severity
6.4 (Medium)
SSVC
Exploitation: active
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- Elevation of privilege
- CWE-416 - Use After Free
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://source.android.com/security/bulletin/2021-11-01 | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2021… | mailing-listx_refsource_MLIST |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
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CVE-2021-20317 (GCVE-0-2021-20317)
Vulnerability from cvelistv5 – Published: 2021-09-27 10:34 – Updated: 2024-08-03 17:37
VLAI
EPSS
Summary
A flaw was found in the Linux kernel. A corrupted timer tree caused the task wakeup to be missing in the timerqueue_add function in lib/timerqueue.c. This flaw allows a local attacker with special user privileges to cause a denial of service, slowing and eventually stopping the system while running OSP.
Severity
No CVSS data available.
CWE
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://git.kernel.org/pub/scm/linux/kernel/git/t… | x_refsource_MISC |
| https://bugzilla.redhat.com/show_bug.cgi?id=2005258 | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2021… | mailing-listx_refsource_MLIST |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
| https://www.debian.org/security/2022/dsa-5096 | vendor-advisoryx_refsource_DEBIAN |
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_CONFIRM |
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CVE-2021-20321 (GCVE-0-2021-20321)
Vulnerability from cvelistv5 – Published: 2022-02-18 17:50 – Updated: 2024-08-03 17:37
VLAI
EPSS
Summary
A race condition accessing file object in the Linux kernel OverlayFS subsystem was found in the way users do rename in specific way with OverlayFS. A local user could use this flaw to crash the system.
Severity
No CVSS data available.
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
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CVE-2021-20322 (GCVE-0-2021-20322)
Vulnerability from cvelistv5 – Published: 2022-02-18 17:50 – Updated: 2024-08-03 17:37
VLAI
EPSS
Summary
A flaw in the processing of received ICMP errors (ICMP fragment needed and ICMP redirect) in the Linux kernel functionality was found to allow the ability to quickly scan open UDP ports. This flaw allows an off-path remote user to effectively bypass the source port UDP randomization. The highest threat from this vulnerability is to confidentiality and possibly integrity, because software that relies on UDP source port randomization are indirectly affected as well.
Severity
No CVSS data available.
CWE
Assigner
References
9 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=2014230 | x_refsource_MISC |
| https://git.kernel.org/pub/scm/linux/kernel/git/t… | x_refsource_MISC |
| https://git.kernel.org/pub/scm/linux/kernel/git/t… | x_refsource_MISC |
| https://git.kernel.org/pub/scm/linux/kernel/git/t… | x_refsource_MISC |
| https://git.kernel.org/pub/scm/linux/kernel/git/t… | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
| https://www.debian.org/security/2022/dsa-5096 | vendor-advisoryx_refsource_DEBIAN |
| https://www.oracle.com/security-alerts/cpujul2022.html | x_refsource_MISC |
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CVE-2021-22543 (GCVE-0-2021-22543)
Vulnerability from cvelistv5 – Published: 2021-05-26 10:30 – Updated: 2024-09-16 23:26
VLAI
EPSS
Title
Improper memory handling in Linux KVM
Summary
An issue was discovered in Linux: KVM through Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks and can lead to pages being freed while still accessible by the VMM and guest. This allows users with the ability to start and control a VM to read/write random pages of memory and can result in local privilege escalation.
Severity
CWE
- CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://github.com/google/security-research/secur… | x_refsource_MISC |
| http://www.openwall.com/lists/oss-security/2021/06/26/1 | mailing-listx_refsource_MLIST |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://security.netapp.com/advisory/ntap-2021070… | x_refsource_CONFIRM |
| https://lists.debian.org/debian-lts-announce/2021… | mailing-listx_refsource_MLIST |
| https://lists.debian.org/debian-lts-announce/2021… | mailing-listx_refsource_MLIST |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Linux Kernel | Linux Kernel |
Affected:
add6a0cd1c5ba51b201e1361b05a5df817083618 , < f8be156be163a052a067306417cd0ff679068c97
(git)
|
Date Public
2021-05-17 14:00
Credits
David Stevens
Kevin Hamacher
Jann Horn
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CVE-2021-3612 (GCVE-0-2021-3612)
Vulnerability from cvelistv5 – Published: 2021-07-09 10:33 – Updated: 2024-08-03 17:01
VLAI
EPSS
Summary
An out-of-bounds memory write flaw was found in the Linux kernel's joystick devices subsystem in versions before 5.9-rc1, in the way the user calls ioctl JSIOCSBTNMAP. This flaw allows a local user to crash the system or possibly escalate their privileges on the system. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Severity
No CVSS data available.
CWE
- CWE-20 - >CWE-119
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1974079 | x_refsource_MISC |
| https://lore.kernel.org/linux-input/2021062012003… | x_refsource_MISC |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.debian.org/debian-lts-announce/2021… | mailing-listx_refsource_MLIST |
| https://lists.debian.org/debian-lts-announce/2021… | mailing-listx_refsource_MLIST |
| https://www.oracle.com/security-alerts/cpujul2022.html | x_refsource_MISC |
| https://security.netapp.com/advisory/ntap-2021080… | x_refsource_CONFIRM |
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CVE-2021-3653 (GCVE-0-2021-3653)
Vulnerability from cvelistv5 – Published: 2021-09-29 19:41 – Updated: 2024-08-03 17:01
VLAI
EPSS
Summary
A flaw was found in the KVM's AMD code for supporting SVM nested virtualization. The flaw occurs when processing the VMCB (virtual machine control block) provided by the L1 guest to spawn/handle a nested guest (L2). Due to improper validation of the "int_ctl" field, this issue could allow a malicious L1 to enable AVIC support (Advanced Virtual Interrupt Controller) for the L2 guest. As a result, the L2 guest would be allowed to read/write physical pages of the host, resulting in a crash of the entire system, leak of sensitive data or potential guest-to-host escape. This flaw affects Linux kernel versions prior to 5.14-rc7.
Severity
No CVSS data available.
CWE
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1983686 | x_refsource_MISC |
| https://www.openwall.com/lists/oss-security/2021/… | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2021… | mailing-listx_refsource_MLIST |
| https://lists.debian.org/debian-lts-announce/2021… | mailing-listx_refsource_MLIST |
| http://packetstormsecurity.com/files/165477/Kerne… | x_refsource_MISC |
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CVE-2021-3655 (GCVE-0-2021-3655)
Vulnerability from cvelistv5 – Published: 2021-08-05 20:48 – Updated: 2024-08-03 17:01
VLAI
EPSS
Summary
A vulnerability was found in the Linux kernel in versions prior to v5.14-rc1. Missing size validations on inbound SCTP packets may allow the kernel to read uninitialized memory.
Severity
No CVSS data available.
CWE
Assigner
References
3 references
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|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1984024 | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2021… | mailing-listx_refsource_MLIST |
| https://lists.debian.org/debian-lts-announce/2021… | mailing-listx_refsource_MLIST |
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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.
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