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CERTFR-2022-AVI-024
Vulnerability from certfr_avis - Published: - Updated:
De multiples vulnérabilités ont été découvertes dans le noyau Linux de SUSE. Certaines d'entre elles permettent à un attaquant de provoquer un problème de sécurité non spécifié par l'éditeur, une exécution de code arbitraire à distance et un déni de service 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": "SUSE Linux Enterprise Module for Public Cloud 15-SP3",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"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-2021-45485",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-45485"
},
{
"name": "CVE-2020-24504",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-24504"
},
{
"name": "CVE-2021-28711",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-28711"
},
{
"name": "CVE-2021-4001",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-4001"
},
{
"name": "CVE-2021-43975",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-43975"
},
{
"name": "CVE-2021-28713",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-28713"
},
{
"name": "CVE-2021-4002",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-4002"
},
{
"name": "CVE-2021-45486",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-45486"
},
{
"name": "CVE-2021-28712",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-28712"
},
{
"name": "CVE-2021-33098",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-33098"
},
{
"name": "CVE-2020-27820",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-27820"
},
{
"name": "CVE-2021-43976",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-43976"
},
{
"name": "CVE-2021-28714",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-28714"
},
{
"name": "CVE-2021-28715",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-28715"
}
],
"links": [],
"reference": "CERTFR-2022-AVI-024",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2022-01-12T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
},
{
"description": "Ex\u00e9cution de code arbitraire \u00e0 distance"
},
{
"description": "Atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es"
},
{
"description": "Non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans le noyau Linux de\nSUSE. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer un\nprobl\u00e8me de s\u00e9curit\u00e9 non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur, une ex\u00e9cution de code\narbitraire \u00e0 distance et un d\u00e9ni de service \u00e0 distance.\n",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans le noyau Linux de SUSE",
"vendor_advisories": [
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 SUSE 20220056-1 du 11 janvier 2022",
"url": "https://www.suse.com/support/update/announcement/2022/suse-su-20220056-1/"
}
]
}
CVE-2021-43976 (GCVE-0-2021-43976)
Vulnerability from cvelistv5 – Published: 2021-11-17 00:00 – Updated: 2024-08-04 04:10
VLAI?
EPSS
Summary
In the Linux kernel through 5.15.2, mwifiex_usb_recv in drivers/net/wireless/marvell/mwifiex/usb.c allows an attacker (who can connect a crafted USB device) to cause a denial of service (skb_over_panic).
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
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{
"name": "DSA-5092",
"tags": [
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"url": "https://www.debian.org/security/2022/dsa-5092"
},
{
"name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2940-1] linux security update",
"tags": [
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"url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html"
},
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"name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security update",
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"url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html"
},
{
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"tags": [
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"url": "https://www.debian.org/security/2022/dsa-5096"
},
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"url": "https://security.netapp.com/advisory/ntap-20211210-0001/"
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CVE-2021-4002 (GCVE-0-2021-4002)
Vulnerability from cvelistv5 – Published: 2022-03-03 21:42 – Updated: 2024-08-03 17:16
VLAI?
EPSS
Summary
A memory leak flaw in the Linux kernel's hugetlbfs memory usage was found in the way the user maps some regions of memory twice using shmget() which are aligned to PUD alignment with the fault of some of the memory pages. A local user could use this flaw to get unauthorized access to some data.
Severity ?
No CVSS data available.
CWE
Assigner
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
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CVE-2020-27820 (GCVE-0-2020-27820)
Vulnerability from cvelistv5 – Published: 2021-11-02 23:26 – Updated: 2024-08-04 16:25
VLAI?
EPSS
Summary
A vulnerability was found in Linux kernel, where a use-after-frees in nouveau's postclose() handler could happen if removing device (that is not common to remove video card physically without power-off, but same happens if "unbind" the driver).
Severity ?
No CVSS data available.
CWE
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
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CVE-2020-24504 (GCVE-0-2020-24504)
Vulnerability from cvelistv5 – Published: 2021-02-17 13:37 – Updated: 2024-08-04 15:12
VLAI?
EPSS
Summary
Uncontrolled resource consumption in some Intel(R) Ethernet E810 Adapter drivers for Linux before version 1.0.4 may allow an authenticated user to potentially enable denial of service via local access.
Severity ?
No CVSS data available.
CWE
- denial of service
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | Intel(R) Ethernet E810 Adapter drivers for Linux |
Affected:
before version 1.0.4
|
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CVE-2021-45486 (GCVE-0-2021-45486)
Vulnerability from cvelistv5 – Published: 2021-12-25 01:04 – Updated: 2024-08-04 04:39
VLAI?
EPSS
Summary
In the IPv4 implementation in the Linux kernel before 5.12.4, net/ipv4/route.c has an information leak because the hash table is very small.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
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| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2021-28712 (GCVE-0-2021-28712)
Vulnerability from cvelistv5 – Published: 2022-01-05 16:10 – Updated: 2024-08-03 21:55
VLAI?
EPSS
Summary
Rogue backends can cause DoS of guests via high frequency events T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Xen offers the ability to run PV backends in regular unprivileged guests, typically referred to as "driver domains". Running PV backends in driver domains has one primary security advantage: if a driver domain gets compromised, it doesn't have the privileges to take over the system. However, a malicious driver domain could try to attack other guests via sending events at a high frequency leading to a Denial of Service in the guest due to trying to service interrupts for elongated amounts of time. There are three affected backends: * blkfront patch 1, CVE-2021-28711 * netfront patch 2, CVE-2021-28712 * hvc_xen (console) patch 3, CVE-2021-28713
Severity ?
No CVSS data available.
CWE
- unknown
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Credits
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CVE-2021-28715 (GCVE-0-2021-28715)
Vulnerability from cvelistv5 – Published: 2022-01-06 17:06 – Updated: 2025-05-22 18:34
VLAI?
EPSS
Summary
Guest can force Linux netback driver to hog large amounts of kernel memory T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Incoming data packets for a guest in the Linux kernel's netback driver are buffered until the guest is ready to process them. There are some measures taken for avoiding to pile up too much data, but those can be bypassed by the guest: There is a timeout how long the client side of an interface can stop consuming new packets before it is assumed to have stalled, but this timeout is rather long (60 seconds by default). Using a UDP connection on a fast interface can easily accumulate gigabytes of data in that time. (CVE-2021-28715) The timeout could even never trigger if the guest manages to have only one free slot in its RX queue ring page and the next package would require more than one free slot, which may be the case when using GSO, XDP, or software hashing. (CVE-2021-28714)
Severity ?
No CVSS data available.
CWE
- unknown
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Credits
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CVE-2021-28714 (GCVE-0-2021-28714)
Vulnerability from cvelistv5 – Published: 2022-01-06 17:06 – Updated: 2024-08-03 21:55
VLAI?
EPSS
Summary
Guest can force Linux netback driver to hog large amounts of kernel memory T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Incoming data packets for a guest in the Linux kernel's netback driver are buffered until the guest is ready to process them. There are some measures taken for avoiding to pile up too much data, but those can be bypassed by the guest: There is a timeout how long the client side of an interface can stop consuming new packets before it is assumed to have stalled, but this timeout is rather long (60 seconds by default). Using a UDP connection on a fast interface can easily accumulate gigabytes of data in that time. (CVE-2021-28715) The timeout could even never trigger if the guest manages to have only one free slot in its RX queue ring page and the next package would require more than one free slot, which may be the case when using GSO, XDP, or software hashing. (CVE-2021-28714)
Severity ?
No CVSS data available.
CWE
- unknown
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
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CVE-2021-45485 (GCVE-0-2021-45485)
Vulnerability from cvelistv5 – Published: 2021-12-25 01:05 – Updated: 2024-08-04 04:39
VLAI?
EPSS
Summary
In the IPv6 implementation in the Linux kernel before 5.13.3, net/ipv6/output_core.c has an information leak because of certain use of a hash table which, although big, doesn't properly consider that IPv6-based attackers can typically choose among many IPv6 source addresses.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2021-33098 (GCVE-0-2021-33098)
Vulnerability from cvelistv5 – Published: 2021-11-17 19:12 – Updated: 2024-08-03 23:42
VLAI?
EPSS
Summary
Improper input validation in the Intel(R) Ethernet ixgbe driver for Linux before version 3.17.3 may allow an authenticated user to potentially enable denial of service via local access.
Severity ?
No CVSS data available.
CWE
- denial of service
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | Intel(R) Ethernet ixgbe driver for Linux |
Affected:
before version 3.17.3
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CVE-2021-4001 (GCVE-0-2021-4001)
Vulnerability from cvelistv5 – Published: 2022-01-21 00:00 – Updated: 2024-08-03 17:16
VLAI?
EPSS
Summary
A race condition was found in the Linux kernel's ebpf verifier between bpf_map_update_elem and bpf_map_freeze due to a missing lock in kernel/bpf/syscall.c. In this flaw, a local user with a special privilege (cap_sys_admin or cap_bpf) can modify the frozen mapped address space. This flaw affects kernel versions prior to 5.16 rc2.
Severity ?
No CVSS data available.
CWE
Assigner
References
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CVE-2021-28711 (GCVE-0-2021-28711)
Vulnerability from cvelistv5 – Published: 2022-01-05 16:10 – Updated: 2024-08-03 21:47
VLAI?
EPSS
Summary
Rogue backends can cause DoS of guests via high frequency events T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Xen offers the ability to run PV backends in regular unprivileged guests, typically referred to as "driver domains". Running PV backends in driver domains has one primary security advantage: if a driver domain gets compromised, it doesn't have the privileges to take over the system. However, a malicious driver domain could try to attack other guests via sending events at a high frequency leading to a Denial of Service in the guest due to trying to service interrupts for elongated amounts of time. There are three affected backends: * blkfront patch 1, CVE-2021-28711 * netfront patch 2, CVE-2021-28712 * hvc_xen (console) patch 3, CVE-2021-28713
Severity ?
No CVSS data available.
CWE
- unknown
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Credits
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CVE-2021-28713 (GCVE-0-2021-28713)
Vulnerability from cvelistv5 – Published: 2022-01-05 16:10 – Updated: 2024-08-03 21:55
VLAI?
EPSS
Summary
Rogue backends can cause DoS of guests via high frequency events T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Xen offers the ability to run PV backends in regular unprivileged guests, typically referred to as "driver domains". Running PV backends in driver domains has one primary security advantage: if a driver domain gets compromised, it doesn't have the privileges to take over the system. However, a malicious driver domain could try to attack other guests via sending events at a high frequency leading to a Denial of Service in the guest due to trying to service interrupts for elongated amounts of time. There are three affected backends: * blkfront patch 1, CVE-2021-28711 * netfront patch 2, CVE-2021-28712 * hvc_xen (console) patch 3, CVE-2021-28713
Severity ?
No CVSS data available.
CWE
- unknown
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Credits
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CVE-2021-43975 (GCVE-0-2021-43975)
Vulnerability from cvelistv5 – Published: 2021-11-17 16:32 – Updated: 2024-08-04 04:10
VLAI?
EPSS
Summary
In the Linux kernel through 5.15.2, hw_atl_utils_fw_rpc_wait in drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c allows an attacker (who can introduce a crafted device) to trigger an out-of-bounds write via a crafted length value.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
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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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