RHSA-2021:2566
Vulnerability from csaf_opensuse - Published: 2021-06-29 00:00 - Updated: 2026-09-20 11:15Summary
security update for fwupd
Severity
Moderate
Notes
Title of the patch: security update for fwupd
Description of the patch: This security update provides a functional equivalent of RHSA-2021:2566.
The original Red Hat(R) advisory is available from the Red Hat web site at
https://access.redhat.com/errata/RHSA-2021:2566.
Patchnames: RHSA-2021:2566
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
7.5 (High)
Affected products
Recommended
1 product
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: SUSE Liberty Linux 8:fwupd-0:1.5.9-1.el8_4.x86_64 | — |
Vendor Fix
|
Threats
Impact
important
7.5 (High)
Affected products
Recommended
1 product, the same list as for
CVE-2020-14372
Threats
Impact
important
7.6 (High)
Affected products
Recommended
1 product, the same list as for
CVE-2020-14372
Threats
Impact
important
7.5 (High)
Affected products
Recommended
1 product, the same list as for
CVE-2020-14372
Threats
Impact
important
7.5 (High)
Affected products
Recommended
1 product, the same list as for
CVE-2020-14372
Threats
Impact
important
7.5 (High)
Affected products
Recommended
1 product, the same list as for
CVE-2020-14372
Threats
Impact
important
7.5 (High)
Affected products
Recommended
1 product, the same list as for
CVE-2020-14372
Threats
Impact
important
References
24 references
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"url": "https://www.suse.com/security/cve/CVE-2020-25632/"
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"vulnerabilities": [
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"cve": "CVE-2020-14372",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2020-14372"
}
],
"notes": [
{
"category": "general",
"text": "A flaw was found in grub2 in versions prior to 2.06, where it incorrectly enables the usage of the ACPI command when Secure Boot is enabled. This flaw allows an attacker with privileged access to craft a Secondary System Description Table (SSDT) containing code to overwrite the Linux kernel lockdown variable content directly into memory. The table is further loaded and executed by the kernel, defeating its Secure Boot lockdown and allowing the attacker to load unsigned code. The highest threat from this vulnerability is to data confidentiality and integrity, as well as system availability.",
"title": "CVE description"
}
],
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},
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"summary": "CVE-2020-14372",
"url": "https://www.suse.com/security/cve/CVE-2020-14372"
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{
"category": "external",
"summary": "SUSE Bug 1175970 for CVE-2020-14372",
"url": "https://bugzilla.suse.com/1175970"
}
],
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{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
"SUSE Liberty Linux 8:fwupd-0:1.5.9-1.el8_4.x86_64"
]
}
],
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{
"cvss_v3": {
"baseScore": 7.5,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H",
"version": "3.1"
},
"products": [
"SUSE Liberty Linux 8:fwupd-0:1.5.9-1.el8_4.x86_64"
]
}
],
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{
"category": "impact",
"date": "2021-06-29T00:00:00Z",
"details": "important"
}
],
"title": "CVE-2020-14372"
},
{
"cve": "CVE-2020-25632",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2020-25632"
}
],
"notes": [
{
"category": "general",
"text": "A flaw was found in grub2 in versions prior to 2.06. The rmmod implementation allows the unloading of a module used as a dependency without checking if any other dependent module is still loaded leading to a use-after-free scenario. This could allow arbitrary code to be executed or a bypass of Secure Boot protections. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
"SUSE Liberty Linux 8:fwupd-0:1.5.9-1.el8_4.x86_64"
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},
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{
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"url": "https://www.suse.com/security/cve/CVE-2020-25632"
},
{
"category": "external",
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"url": "https://bugzilla.suse.com/1176711"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
"SUSE Liberty Linux 8:fwupd-0:1.5.9-1.el8_4.x86_64"
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}
],
"scores": [
{
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"baseScore": 7.5,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H",
"version": "3.1"
},
"products": [
"SUSE Liberty Linux 8:fwupd-0:1.5.9-1.el8_4.x86_64"
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}
],
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{
"category": "impact",
"date": "2021-06-29T00:00:00Z",
"details": "important"
}
],
"title": "CVE-2020-25632"
},
{
"cve": "CVE-2020-25647",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2020-25647"
}
],
"notes": [
{
"category": "general",
"text": "A flaw was found in grub2 in versions prior to 2.06. During USB device initialization, descriptors are read with very little bounds checking and assumes the USB device is providing sane values. If properly exploited, an attacker could trigger memory corruption leading to arbitrary code execution allowing a bypass of the Secure Boot mechanism. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
"SUSE Liberty Linux 8:fwupd-0:1.5.9-1.el8_4.x86_64"
]
},
"references": [
{
"category": "external",
"summary": "CVE-2020-25647",
"url": "https://www.suse.com/security/cve/CVE-2020-25647"
},
{
"category": "external",
"summary": "SUSE Bug 1177883 for CVE-2020-25647",
"url": "https://bugzilla.suse.com/1177883"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
"SUSE Liberty Linux 8:fwupd-0:1.5.9-1.el8_4.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 7.6,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
"version": "3.1"
},
"products": [
"SUSE Liberty Linux 8:fwupd-0:1.5.9-1.el8_4.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2021-06-29T00:00:00Z",
"details": "important"
}
],
"title": "CVE-2020-25647"
},
{
"cve": "CVE-2020-27749",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2020-27749"
}
],
"notes": [
{
"category": "general",
"text": "A flaw was found in grub2 in versions prior to 2.06. Variable names present are expanded in the supplied command line into their corresponding variable contents, using a 1kB stack buffer for temporary storage, without sufficient bounds checking. If the function is called with a command line that references a variable with a sufficiently large payload, it is possible to overflow the stack buffer, corrupt the stack frame and control execution which could also circumvent Secure Boot protections. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
"SUSE Liberty Linux 8:fwupd-0:1.5.9-1.el8_4.x86_64"
]
},
"references": [
{
"category": "external",
"summary": "CVE-2020-27749",
"url": "https://www.suse.com/security/cve/CVE-2020-27749"
},
{
"category": "external",
"summary": "SUSE Bug 1179264 for CVE-2020-27749",
"url": "https://bugzilla.suse.com/1179264"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
"SUSE Liberty Linux 8:fwupd-0:1.5.9-1.el8_4.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 7.5,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H",
"version": "3.1"
},
"products": [
"SUSE Liberty Linux 8:fwupd-0:1.5.9-1.el8_4.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2021-06-29T00:00:00Z",
"details": "important"
}
],
"title": "CVE-2020-27749"
},
{
"cve": "CVE-2020-27779",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2020-27779"
}
],
"notes": [
{
"category": "general",
"text": "A flaw was found in grub2 in versions prior to 2.06. The cutmem command does not honor secure boot locking allowing an privileged attacker to remove address ranges from memory creating an opportunity to circumvent SecureBoot protections after proper triage about grub\u0027s memory layout. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
"SUSE Liberty Linux 8:fwupd-0:1.5.9-1.el8_4.x86_64"
]
},
"references": [
{
"category": "external",
"summary": "CVE-2020-27779",
"url": "https://www.suse.com/security/cve/CVE-2020-27779"
},
{
"category": "external",
"summary": "SUSE Bug 1179265 for CVE-2020-27779",
"url": "https://bugzilla.suse.com/1179265"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
"SUSE Liberty Linux 8:fwupd-0:1.5.9-1.el8_4.x86_64"
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"version": "3.1"
},
"products": [
"SUSE Liberty Linux 8:fwupd-0:1.5.9-1.el8_4.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2021-06-29T00:00:00Z",
"details": "important"
}
],
"title": "CVE-2020-27779"
},
{
"cve": "CVE-2021-20225",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2021-20225"
}
],
"notes": [
{
"category": "general",
"text": "A flaw was found in grub2 in versions prior to 2.06. The option parser allows an attacker to write past the end of a heap-allocated buffer by calling certain commands with a large number of specific short forms of options. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
"SUSE Liberty Linux 8:fwupd-0:1.5.9-1.el8_4.x86_64"
]
},
"references": [
{
"category": "external",
"summary": "CVE-2021-20225",
"url": "https://www.suse.com/security/cve/CVE-2021-20225"
},
{
"category": "external",
"summary": "SUSE Bug 1182262 for CVE-2021-20225",
"url": "https://bugzilla.suse.com/1182262"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
"SUSE Liberty Linux 8:fwupd-0:1.5.9-1.el8_4.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 7.5,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H",
"version": "3.1"
},
"products": [
"SUSE Liberty Linux 8:fwupd-0:1.5.9-1.el8_4.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2021-06-29T00:00:00Z",
"details": "important"
}
],
"title": "CVE-2021-20225"
},
{
"cve": "CVE-2021-20233",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2021-20233"
}
],
"notes": [
{
"category": "general",
"text": "A flaw was found in grub2 in versions prior to 2.06. Setparam_prefix() in the menu rendering code performs a length calculation on the assumption that expressing a quoted single quote will require 3 characters, while it actually requires 4 characters which allows an attacker to corrupt memory by one byte for each quote in the input. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
"SUSE Liberty Linux 8:fwupd-0:1.5.9-1.el8_4.x86_64"
]
},
"references": [
{
"category": "external",
"summary": "CVE-2021-20233",
"url": "https://www.suse.com/security/cve/CVE-2021-20233"
},
{
"category": "external",
"summary": "SUSE Bug 1182263 for CVE-2021-20233",
"url": "https://bugzilla.suse.com/1182263"
},
{
"category": "external",
"summary": "SUSE Bug 1183135 for CVE-2021-20233",
"url": "https://bugzilla.suse.com/1183135"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
"SUSE Liberty Linux 8:fwupd-0:1.5.9-1.el8_4.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 7.5,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H",
"version": "3.1"
},
"products": [
"SUSE Liberty Linux 8:fwupd-0:1.5.9-1.el8_4.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2021-06-29T00:00:00Z",
"details": "important"
}
],
"title": "CVE-2021-20233"
}
]
}
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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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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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