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CERTFR-2021-AVI-969
Vulnerability from certfr_avis
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"
}
],
"initial_release_date": "2021-12-20T00:00:00",
"last_revision_date": "2021-12-20T00:00:00",
"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-2021-3820 (GCVE-0-2021-3820)
Vulnerability from cvelistv5
Published
2021-09-27 12:25
Modified
2024-08-03 17:09
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-1333 - Inefficient Regular Expression Complexity
Summary
inflect is vulnerable to Inefficient Regular Expression Complexity
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| pksunkara | pksunkara/inflect |
Version: unspecified < |
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CVE-2021-4273 (GCVE-0-2021-4273)
Vulnerability from cvelistv5
Published
2022-12-21 00:00
Modified
2025-04-14 17:28
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-707 - Improper Neutralization -> CWE-74 Injection -> CWE-79 Cross Site Scripting
Summary
A vulnerability classified as problematic was found in studygolang. This vulnerability affects the function Search of the file http/controller/search.go. The manipulation of the argument q leads to cross site scripting. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 97ba556d42fa89dfaa7737e9cd3a8ddaf670bb23. It is recommended to apply a patch to fix this issue. VDB-216478 is the identifier assigned to this vulnerability.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| unspecified | studygolang |
Version: n/a |
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CVE-2021-40490 (GCVE-0-2021-40490)
Vulnerability from cvelistv5
Published
2021-09-03 00:50
Modified
2024-08-04 02:44
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
A race condition was discovered in ext4_write_inline_data_end in fs/ext4/inline.c in the ext4 subsystem in the Linux kernel through 5.13.13.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
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"url": "https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=9e445093e523f3277081314c864f708fd4bd34aa"
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"url": "https://security.netapp.com/advisory/ntap-20211004-0001/"
},
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},
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CVE-2020-16119 (GCVE-0-2020-16119)
Vulnerability from cvelistv5
Published
2021-01-14 01:10
Modified
2024-09-16 18:19
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-416 - 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.
References
Impacted products
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|---|---|---|---|---|
| Canonical | Linux kernel |
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CVE-2021-41864 (GCVE-0-2021-41864)
Vulnerability from cvelistv5
Published
2021-10-01 23:46
Modified
2024-08-04 03:22
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
prealloc_elems_and_freelist in kernel/bpf/stackmap.c in the Linux kernel before 5.14.12 allows unprivileged users to trigger an eBPF multiplication integer overflow with a resultant out-of-bounds write.
References
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CVE-2021-37159 (GCVE-0-2021-37159)
Vulnerability from cvelistv5
Published
2021-07-21 00:00
Modified
2024-08-04 01:16
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
hso_free_net_device in drivers/net/usb/hso.c in the Linux kernel through 5.13.4 calls unregister_netdev without checking for the NETREG_REGISTERED state, leading to a use-after-free and a double free.
References
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CVE-2021-0920 (GCVE-0-2021-0920)
Vulnerability from cvelistv5
Published
2021-12-15 18:05
Modified
2025-10-21 23:15
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Elevation of privilege
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
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CVE-2021-3653 (GCVE-0-2021-3653)
Vulnerability from cvelistv5
Published
2021-09-29 19:41
Modified
2024-08-03 17:01
Severity ?
VLAI Severity ?
EPSS score ?
CWE
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.
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CVE-2021-20322 (GCVE-0-2021-20322)
Vulnerability from cvelistv5
Published
2022-02-18 17:50
Modified
2024-08-03 17:37
Severity ?
VLAI Severity ?
EPSS score ?
CWE
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.
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CVE-2021-20321 (GCVE-0-2021-20321)
Vulnerability from cvelistv5
Published
2022-02-18 17:50
Modified
2024-08-03 17:37
Severity ?
VLAI Severity ?
EPSS score ?
CWE
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.
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CVE-2021-3816 (GCVE-0-2021-3816)
Vulnerability from cvelistv5
Published
2022-01-19 20:38
Modified
2024-08-03 17:09
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
Cacti 1.1.38 allows authenticated users with User Management permissions to inject arbitrary HTML in the group_prefix field during the creation of a new group via "Copy" method at user_group_admin.php.
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CVE-2021-42008 (GCVE-0-2021-42008)
Vulnerability from cvelistv5
Published
2021-10-04 23:17
Modified
2024-08-04 03:22
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
The decode_data function in drivers/net/hamradio/6pack.c in the Linux kernel before 5.13.13 has a slab out-of-bounds write. Input from a process that has the CAP_NET_ADMIN capability can lead to root access.
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CVE-2021-43389 (GCVE-0-2021-43389)
Vulnerability from cvelistv5
Published
2021-11-04 18:39
Modified
2024-08-04 03:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
An issue was discovered in the Linux kernel before 5.14.15. There is an array-index-out-of-bounds flaw in the detach_capi_ctr function in drivers/isdn/capi/kcapi.c.
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CVE-2021-38204 (GCVE-0-2021-38204)
Vulnerability from cvelistv5
Published
2021-08-08 19:25
Modified
2024-08-04 01:37
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
drivers/usb/host/max3421-hcd.c in the Linux kernel before 5.13.6 allows physically proximate attackers to cause a denial of service (use-after-free and panic) by removing a MAX-3421 USB device in certain situations.
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CVE-2021-20317 (GCVE-0-2021-20317)
Vulnerability from cvelistv5
Published
2021-09-27 10:34
Modified
2024-08-03 17:37
Severity ?
VLAI Severity ?
EPSS score ?
CWE
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.
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CVE-2021-38198 (GCVE-0-2021-38198)
Vulnerability from cvelistv5
Published
2021-08-08 19:28
Modified
2024-08-04 01:37
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
arch/x86/kvm/mmu/paging_tmpl.h in the Linux kernel before 5.12.11 incorrectly computes the access permissions of a shadow page, leading to a missing guest protection page fault.
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CVE-2021-3612 (GCVE-0-2021-3612)
Vulnerability from cvelistv5
Published
2021-07-09 10:33
Modified
2024-08-03 17:01
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-20 - ->CWE-119
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.
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CVE-2020-3702 (GCVE-0-2020-3702)
Vulnerability from cvelistv5
Published
2020-09-08 09:31
Modified
2024-08-04 07:44
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Cryptographic Issues in WIFI driver(Krook)
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
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| 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 |
Version: APQ8053, IPQ4019, IPQ8064, MSM8909W, MSM8996AU, QCA9531, QCN5502, QCS405, SDX20, SM6150, SM7150 |
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CVE-2021-3679 (GCVE-0-2021-3679)
Vulnerability from cvelistv5
Published
2021-08-05 19:54
Modified
2024-08-03 17:01
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A lack of CPU resource in the Linux kernel tracing module functionality in versions prior to 5.14-rc3 was found in the way user uses trace ring buffer in a specific way. Only privileged local users (with CAP_SYS_ADMIN capability) could use this flaw to starve the resources causing denial of service.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2021-3760 (GCVE-0-2021-3760)
Vulnerability from cvelistv5
Published
2022-02-16 18:35
Modified
2024-08-03 17:09
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A flaw was found in the Linux kernel. A use-after-free vulnerability in the NFC stack can lead to a threat to confidentiality, integrity, and system availability.
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
Impacted products
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CVE-2021-22543 (GCVE-0-2021-22543)
Vulnerability from cvelistv5
Published
2021-05-26 10:30
Modified
2024-09-16 23:26
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
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.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux Kernel | Linux Kernel |
Version: add6a0cd1c5ba51b201e1361b05a5df817083618 |
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CVE-2021-3655 (GCVE-0-2021-3655)
Vulnerability from cvelistv5
Published
2021-08-05 20:48
Modified
2024-08-03 17:01
Severity ?
VLAI Severity ?
EPSS score ?
CWE
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.
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2021-3753 (GCVE-0-2021-3753)
Vulnerability from cvelistv5
Published
2022-02-16 00:00
Modified
2024-08-03 17:09
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A race problem was seen in the vt_k_ioctl in drivers/tty/vt/vt_ioctl.c in the Linux kernel, which may cause an out of bounds read in vt as the write access to vc_mode is not protected by lock-in vt_ioctl (KDSETMDE). The highest threat from this vulnerability is to data confidentiality.
References
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CVE-2021-3732 (GCVE-0-2021-3732)
Vulnerability from cvelistv5
Published
2022-03-07 13:56
Modified
2024-08-03 17:01
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-200 - - Exposure of Sensitive Information to an Unauthorized Actor
Summary
A flaw was found in the Linux kernel's OverlayFS subsystem in the way the user mounts the TmpFS filesystem with OverlayFS. This flaw allows a local user to gain access to hidden files that should not be accessible.
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
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CVE-2021-38199 (GCVE-0-2021-38199)
Vulnerability from cvelistv5
Published
2021-08-08 19:27
Modified
2024-08-04 01:37
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
fs/nfs/nfs4client.c in the Linux kernel before 5.13.4 has incorrect connection-setup ordering, which allows operators of remote NFSv4 servers to cause a denial of service (hanging of mounts) by arranging for those servers to be unreachable during trunking detection.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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