SUSE-SU-2025:02813-1
Vulnerability from csaf_suse - Published: 2025-08-15 12:53 - Updated: 2025-08-15 12:53Summary
Recommended update for grub2
Severity
Moderate
Notes
Title of the patch: Recommended update for grub2
Description of the patch: This update for grub2 fixes the following issues:
- CVE-2024-56738: Fixed side-channel attack due to not
constant-time algorithm in grub_crypto_memcmp (bsc#1234959)
Other fixes:
- Fix test -f and -s do not work properly over the network files
served via tftp and http (bsc#1246157, bsc#1246237)
- Skip mount point in grub_find_device function (bsc#1246231)
Patchnames: SUSE-2025-2813,SUSE-SLE-Module-Basesystem-15-SP7-2025-2813,SUSE-SLE-Module-Server-Applications-15-SP7-2025-2813
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
4.7 (Medium)
Affected products
Recommended
12 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: SUSE Linux Enterprise Module for Basesystem 15 SP7:grub2-2.12-150700.19.13.2.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Module for Basesystem 15 SP7:grub2-2.12-150700.19.13.2.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Module for Basesystem 15 SP7:grub2-2.12-150700.19.13.2.s390x | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Module for Basesystem 15 SP7:grub2-2.12-150700.19.13.2.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Module for Basesystem 15 SP7:grub2-arm64-efi-2.12-150700.19.13.2.noarch | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Module for Basesystem 15 SP7:grub2-i386-pc-2.12-150700.19.13.2.noarch | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Module for Basesystem 15 SP7:grub2-powerpc-ieee1275-2.12-150700.19.13.2.noarch | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Module for Basesystem 15 SP7:grub2-s390x-emu-2.12-150700.19.13.2.s390x | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Module for Basesystem 15 SP7:grub2-snapper-plugin-2.12-150700.19.13.2.noarch | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Module for Basesystem 15 SP7:grub2-systemd-sleep-plugin-2.12-150700.19.13.2.noarch | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Module for Basesystem 15 SP7:grub2-x86_64-efi-2.12-150700.19.13.2.noarch | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Module for Server Applications 15 SP7:grub2-x86_64-xen-2.12-150700.19.13.2.noarch | — |
Vendor Fix
|
Threats
Impact
moderate
References
11 references
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},
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},
{
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},
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},
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},
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},
{
"category": "default_component_of",
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},
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"relates_to_product_reference": "SUSE Linux Enterprise Module for Basesystem 15 SP7"
},
{
"category": "default_component_of",
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},
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},
{
"category": "default_component_of",
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"name": "grub2-x86_64-xen-2.12-150700.19.13.2.noarch as component of SUSE Linux Enterprise Module for Server Applications 15 SP7",
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},
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"relates_to_product_reference": "SUSE Linux Enterprise Module for Server Applications 15 SP7"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2024-56738",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2024-56738"
}
],
"notes": [
{
"category": "general",
"text": "GNU GRUB (aka GRUB2) through 2.12 does not use a constant-time algorithm for grub_crypto_memcmp and thus allows side-channel attacks.",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
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"SUSE Linux Enterprise Module for Basesystem 15 SP7:grub2-2.12-150700.19.13.2.x86_64",
"SUSE Linux Enterprise Module for Basesystem 15 SP7:grub2-arm64-efi-2.12-150700.19.13.2.noarch",
"SUSE Linux Enterprise Module for Basesystem 15 SP7:grub2-i386-pc-2.12-150700.19.13.2.noarch",
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"SUSE Linux Enterprise Module for Server Applications 15 SP7:grub2-x86_64-xen-2.12-150700.19.13.2.noarch"
]
},
"references": [
{
"category": "external",
"summary": "CVE-2024-56738",
"url": "https://www.suse.com/security/cve/CVE-2024-56738"
},
{
"category": "external",
"summary": "SUSE Bug 1234959 for CVE-2024-56738",
"url": "https://bugzilla.suse.com/1234959"
}
],
"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",
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]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 4.7,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
},
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]
}
],
"threats": [
{
"category": "impact",
"date": "2025-08-15T12:53:14Z",
"details": "moderate"
}
],
"title": "CVE-2024-56738"
}
]
}
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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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