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CERTFR-2022-AVI-231
Vulnerability from certfr_avis - Published: - Updated:
De multiples vulnérabilités ont été découvertes dans le noyau Linux de Debian. Certaines d'entre elles permettent à un attaquant de provoquer un déni de service, un contournement de la politique de sécurité et une atteinte à la confidentialité des données.
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": "Debian stable (bullseye) versions ant\u00e9rieures \u00e0 5.10.103-1",
"product": {
"name": "N/A",
"vendor": {
"name": "Debian",
"scada": false
}
}
},
{
"description": "Debian oldstable (buster) versions ant\u00e9rieures \u00e0 4.19.232-1",
"product": {
"name": "N/A",
"vendor": {
"name": "Debian",
"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-2021-20322",
"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-2021-4203",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-4203"
},
{
"name": "CVE-2021-4202",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-4202"
},
{
"name": "CVE-2021-41864",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-41864"
},
{
"name": "CVE-2021-38300",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-38300"
},
{
"name": "CVE-2022-0644",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-0644"
},
{
"name": "CVE-2021-45095",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-45095"
},
{
"name": "CVE-2022-0002",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-0002"
},
{
"name": "CVE-2022-0487",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-0487"
},
{
"name": "CVE-2021-3760",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3760"
},
{
"name": "CVE-2021-28711",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-28711"
},
{
"name": "CVE-2021-43975",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-43975"
},
{
"name": "CVE-2021-4135",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-4135"
},
{
"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-2021-4083",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-4083"
},
{
"name": "CVE-2021-3772",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3772"
},
{
"name": "CVE-2022-0330",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-0330"
},
{
"name": "CVE-2020-36310",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-36310"
},
{
"name": "CVE-2021-20321",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-20321"
},
{
"name": "CVE-2021-44733",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-44733"
},
{
"name": "CVE-2021-28712",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-28712"
},
{
"name": "CVE-2021-45480",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-45480"
},
{
"name": "CVE-2022-22942",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-22942"
},
{
"name": "CVE-2021-39713",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-39713"
},
{
"name": "CVE-2022-0322",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-0322"
},
{
"name": "CVE-2021-3640",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3640"
},
{
"name": "CVE-2022-25258",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-25258"
},
{
"name": "CVE-2021-28950",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-28950"
},
{
"name": "CVE-2020-36322",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-36322"
},
{
"name": "CVE-2022-25636",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-25636"
},
{
"name": "CVE-2020-29374",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-29374"
},
{
"name": "CVE-2021-4155",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-4155"
},
{
"name": "CVE-2021-43976",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-43976"
},
{
"name": "CVE-2021-42739",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-42739"
},
{
"name": "CVE-2021-3752",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3752"
},
{
"name": "CVE-2021-22600",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-22600"
},
{
"name": "CVE-2021-45469",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-45469"
},
{
"name": "CVE-2022-24448",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-24448"
},
{
"name": "CVE-2022-0001",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-0001"
},
{
"name": "CVE-2022-0492",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-0492"
},
{
"name": "CVE-2021-39685",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-39685"
},
{
"name": "CVE-2022-0435",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-0435"
},
{
"name": "CVE-2021-39698",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-39698"
},
{
"name": "CVE-2021-3764",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3764"
},
{
"name": "CVE-2021-28714",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-28714"
},
{
"name": "CVE-2022-0617",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-0617"
},
{
"name": "CVE-2022-25375",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-25375"
},
{
"name": "CVE-2021-39686",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-39686"
},
{
"name": "CVE-2021-3744",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3744"
},
{
"name": "CVE-2021-28715",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-28715"
},
{
"name": "CVE-2022-24959",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-24959"
},
{
"name": "CVE-2021-43389",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-43389"
}
],
"links": [],
"reference": "CERTFR-2022-AVI-231",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2022-03-10T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
},
{
"description": "Atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es"
},
{
"description": "Ex\u00e9cution de code arbitraire"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
},
{
"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. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer\nun d\u00e9ni de service, un contournement de la politique de s\u00e9curit\u00e9 et une\natteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es.\n",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans le noyau Linux de Debian",
"vendor_advisories": [
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Debian dsa-5095 du 09 mars 2022",
"url": "https://www.debian.org/security/2022/dsa-5095"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Debian dsa-5096 du 09 mars 2022",
"url": "https://www.debian.org/security/2022/dsa-5096"
}
]
}
CVE-2020-29374 (GCVE-0-2020-29374)
Vulnerability from cvelistv5 – Published: 2020-11-28 06:18 – Updated: 2024-08-04 16:48
VLAI
EPSS
Summary
An issue was discovered in the Linux kernel before 5.7.3, related to mm/gup.c and mm/huge_memory.c. The get_user_pages (aka gup) implementation, when used for a copy-on-write page, does not properly consider the semantics of read operations and therefore can grant unintended write access, aka CID-17839856fd58.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
9 references
| URL | Tags |
|---|---|
| https://bugs.chromium.org/p/project-zero/issues/d… | x_refsource_MISC |
| https://cdn.kernel.org/pub/linux/kernel/v5.x/Chan… | x_refsource_MISC |
| https://git.kernel.org/pub/scm/linux/kernel/git/t… | x_refsource_MISC |
| https://security.netapp.com/advisory/ntap-2021011… | x_refsource_CONFIRM |
| http://packetstormsecurity.com/files/162117/Kerne… | 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 |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
| https://www.debian.org/security/2022/dsa-5096 | vendor-advisoryx_refsource_DEBIAN |
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"url": "http://packetstormsecurity.com/files/162117/Kernel-Live-Patch-Security-Notice-LSN-0075-1.html"
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"url": "http://packetstormsecurity.com/files/162117/Kernel-Live-Patch-Security-Notice-LSN-0075-1.html"
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"tags": [
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},
{
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"datePublished": "2020-11-28T06:18:56.000Z",
"dateReserved": "2020-11-28T00:00:00.000Z",
"dateUpdated": "2024-08-04T16:48:01.979Z",
"state": "PUBLISHED"
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CVE-2020-36310 (GCVE-0-2020-36310)
Vulnerability from cvelistv5 – Published: 2021-04-06 23:29 – Updated: 2024-08-04 17:23
VLAI
EPSS
Summary
An issue was discovered in the Linux kernel before 5.8. arch/x86/kvm/svm/svm.c allows a set_memory_region_test infinite loop for certain nested page faults, aka CID-e72436bc3a52.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://git.kernel.org/pub/scm/linux/kernel/git/t… | x_refsource_MISC |
| https://cdn.kernel.org/pub/linux/kernel/v5.x/Chan… | x_refsource_MISC |
| https://www.debian.org/security/2022/dsa-5095 | vendor-advisoryx_refsource_DEBIAN |
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CVE-2020-36322 (GCVE-0-2020-36322)
Vulnerability from cvelistv5 – Published: 2021-04-14 00:00 – Updated: 2024-08-04 17:23
VLAI
EPSS
Summary
An issue was discovered in the FUSE filesystem implementation in the Linux kernel before 5.10.6, aka CID-5d069dbe8aaf. fuse_do_getattr() calls make_bad_inode() in inappropriate situations, causing a system crash. NOTE: the original fix for this vulnerability was incomplete, and its incompleteness is tracked as CVE-2021-28950.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
6 references
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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 |
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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 |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=2013242 | x_refsource_MISC |
| https://lore.kernel.org/all/20211011134508.748956… | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
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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
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| 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 |
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| https://www.oracle.com/security-alerts/cpujul2022.html | x_refsource_MISC |
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CVE-2021-22600 (GCVE-0-2021-22600)
Vulnerability from cvelistv5 – Published: 2022-01-26 00:00 – Updated: 2025-10-21 23:15
VLAI
EPSS
Title
Double Free in net/packet/af_packet.c leading to priviledge escalation
Summary
A double free bug in packet_set_ring() in net/packet/af_packet.c can be exploited by a local user through crafted syscalls to escalate privileges or deny service. We recommend upgrading kernel past the effected versions or rebuilding past ec6af094ea28f0f2dda1a6a33b14cd57e36a9755
Severity
6.6 (Medium)
CWE
- CWE-415 - Double Free
Assigner
References
4 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Linux Kernel | Kernel |
Affected:
unspecified , < 5.4.168
(custom)
Affected: unspecified , < 5.10.88 (custom) Affected: unspecified , < 5.15.11 (custom) Affected: unspecified , < 5.16-rc6 (custom) |
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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
5 references
| URL | Tags |
|---|---|
| https://xenbits.xenproject.org/xsa/advisory-391.txt | x_refsource_MISC |
| https://www.debian.org/security/2022/dsa-5050 | vendor-advisoryx_refsource_DEBIAN |
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| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
| https://www.debian.org/security/2022/dsa-5096 | vendor-advisoryx_refsource_DEBIAN |
Impacted products
Credits
{'credit_data': {'description': {'description_data': [{'lang': 'eng', 'value': 'This issue was discovered by Jürgen Groß of SUSE.'}]}}}
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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
5 references
| URL | Tags |
|---|---|
| https://xenbits.xenproject.org/xsa/advisory-391.txt | x_refsource_MISC |
| https://www.debian.org/security/2022/dsa-5050 | vendor-advisoryx_refsource_DEBIAN |
| https://lists.debian.org/debian-lts-announce/2022… | 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 |
Impacted products
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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
5 references
| URL | Tags |
|---|---|
| https://xenbits.xenproject.org/xsa/advisory-391.txt | x_refsource_MISC |
| https://www.debian.org/security/2022/dsa-5050 | vendor-advisoryx_refsource_DEBIAN |
| https://lists.debian.org/debian-lts-announce/2022… | 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 |
Impacted products
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"url": "https://www.debian.org/security/2022/dsa-5096"
}
],
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"value": "All guests being serviced by potentially malicious backends are vulnerable,\neven if those backends are running in a less privileged environment. The\nvulnerability is not affecting the host, but the guests."
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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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