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Title
GNU GRUB2缓冲区溢出漏洞（CNVD-2025-08319）
Description
GRUB2是GNU项目的多重引导加载程序。
GNU GRUB2存在缓冲区溢出漏洞，该漏洞源于将用户控制的环境变量数据复制到内部缓冲区时，未能正确考虑环境变量的长度，导致越界写入。目前没有详细的漏洞细节提供。
Severity
中
Patch Name
GNU GRUB2缓冲区溢出漏洞（CNVD-2025-08319）的补丁
Patch Description
GRUB2是GNU项目的多重引导加载程序。
GNU GRUB2存在缓冲区溢出漏洞，该漏洞源于将用户控制的环境变量数据复制到内部缓冲区时，未能正确考虑环境变量的长度，导致越界写入。目前没有详细的漏洞细节提供。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。
Formal description
目前厂商已发布升级程序修复该安全问题，详情见厂商官网: https://www.gnu.org/software/grub/grub-download.html
Reference
https://nvd.nist.gov/vuln/detail/CVE-2025-0624
Impacted products
| Name | GNU GRUB2 |
|---|
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"openTime": "2025-04-21",
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}
CVE-2025-0624 (GCVE-0-2025-0624)
Vulnerability from cvelistv5 – Published: 2025-02-19 18:23 – Updated: 2026-08-31 16:50
VLAI
EPSS
VEX
Title
Grub2: net: out-of-bounds write in grub_net_search_config_file()
Summary
A flaw was found in grub2. During the network boot process, when trying to search for the configuration file, grub copies data from a user controlled environment variable into an internal buffer using the grub_strcpy() function. During this step, it fails to consider the environment variable length when allocating the internal buffer, resulting in an out-of-bounds write. If correctly exploited, this issue may result in remote code execution through the same network segment grub is searching for the boot information, which can be used to by-pass secure boot protections.
Severity
7.6 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-09-19 03:55 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
20 references
Impacted products
24 products
| Vendor | Product | Version | |
|---|---|---|---|
|
Affected:
0 , ≤ 2.12
(semver)
|
|||
| Red Hat | Red Hat Enterprise Linux 7 Extended Lifecycle Support |
Unaffected:
1:2.02-0.87.el7_9.15 , < *
(rpm)
cpe:/o:redhat:rhel_els:7 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
1:2.02-162.el8_10 , < *
(rpm)
cpe:/o:redhat:enterprise_linux:8::baseos |
|
| Red Hat | Red Hat Enterprise Linux 8.2 Advanced Update Support |
Unaffected:
1:2.02-87.el8_2.13 , < *
(rpm)
cpe:/o:redhat:rhel_aus:8.2::baseos |
|
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support |
Unaffected:
1:2.02-99.el8_4.12 , < *
(rpm)
cpe:/o:redhat:rhel_aus:8.4::baseos cpe:/o:redhat:rhel_e4s:8.4::baseos cpe:/o:redhat:rhel_tus:8.4::baseos |
|
| Red Hat | Red Hat Enterprise Linux 8.4 Telecommunications Update Service |
Unaffected:
1:2.02-99.el8_4.12 , < *
(rpm)
cpe:/o:redhat:rhel_aus:8.4::baseos cpe:/o:redhat:rhel_e4s:8.4::baseos cpe:/o:redhat:rhel_tus:8.4::baseos |
|
| Red Hat | Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions |
Unaffected:
1:2.02-99.el8_4.12 , < *
(rpm)
cpe:/o:redhat:rhel_aus:8.4::baseos cpe:/o:redhat:rhel_e4s:8.4::baseos cpe:/o:redhat:rhel_tus:8.4::baseos |
|
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support |
Unaffected:
1:2.02-123.el8_6.18 , < *
(rpm)
cpe:/o:redhat:rhel_aus:8.6::baseos cpe:/o:redhat:rhel_e4s:8.6::baseos cpe:/o:redhat:rhel_tus:8.6::baseos |
|
| Red Hat | Red Hat Enterprise Linux 8.6 Telecommunications Update Service |
Unaffected:
1:2.02-123.el8_6.18 , < *
(rpm)
cpe:/o:redhat:rhel_aus:8.6::baseos cpe:/o:redhat:rhel_e4s:8.6::baseos cpe:/o:redhat:rhel_tus:8.6::baseos |
|
| Red Hat | Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions |
Unaffected:
1:2.02-123.el8_6.18 , < *
(rpm)
cpe:/o:redhat:rhel_aus:8.6::baseos cpe:/o:redhat:rhel_e4s:8.6::baseos cpe:/o:redhat:rhel_tus:8.6::baseos |
|
| Red Hat | Red Hat Enterprise Linux 8.8 Extended Update Support |
Unaffected:
1:2.02-152.el8_8.2 , < *
(rpm)
cpe:/o:redhat:rhel_eus:8.8::baseos |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
1:2.06-94.el9_5 , < *
(rpm)
cpe:/o:redhat:enterprise_linux:9::baseos |
|
| Red Hat | Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions |
Unaffected:
1:2.06-27.el9_0.22 , < *
(rpm)
cpe:/o:redhat:rhel_e4s:9.0::baseos |
|
| Red Hat | Red Hat Enterprise Linux 9.2 Extended Update Support |
Unaffected:
1:2.06-61.el9_2.10 , < *
(rpm)
cpe:/o:redhat:rhel_eus:9.2::baseos |
|
| Red Hat | Red Hat Enterprise Linux 9.4 Extended Update Support |
Unaffected:
1:2.06-86.el9_4.2 , < *
(rpm)
cpe:/o:redhat:rhel_eus:9.4::baseos |
|
| Red Hat | Red Hat OpenShift Container Platform 4.12 |
Unaffected:
412.86.202503310142-0 , < *
(rpm)
cpe:/a:redhat:openshift:4.12::el8 cpe:/a:redhat:openshift:4.12::el9 |
|
| Red Hat | Red Hat OpenShift Container Platform 4.13 |
Unaffected:
413.92.202504070146-0 , < *
(rpm)
cpe:/a:redhat:openshift:4.13::el8 cpe:/a:redhat:openshift:4.13::el9 |
|
| Red Hat | Red Hat OpenShift Container Platform 4.14 |
Unaffected:
414.92.202505141057-0 , < *
(rpm)
cpe:/a:redhat:openshift:4.14::el8 cpe:/a:redhat:openshift:4.14::el9 |
|
| Red Hat | Red Hat OpenShift Container Platform 4.15 |
Unaffected:
415.92.202504282058-0 , < *
(rpm)
cpe:/a:redhat:openshift:4.15::el8 cpe:/a:redhat:openshift:4.15::el9 |
|
| Red Hat | Red Hat OpenShift Container Platform 4.16 |
Unaffected:
416.94.202503252048-0 , < *
(rpm)
cpe:/a:redhat:openshift:4.16::el9 |
|
| Red Hat | Red Hat OpenShift Container Platform 4.17 |
Unaffected:
417.94.202503241418-0 , < *
(rpm)
cpe:/a:redhat:openshift:4.17::el9 |
|
| Red Hat | Red Hat OpenShift Container Platform 4.18 |
Unaffected:
418.94.202504021150-0 , < *
(rpm)
cpe:/a:redhat:openshift:4.18::el9 |
|
| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10
|
|
| Red Hat | Red Hat OpenShift Container Platform 4 |
cpe:/a:redhat:openshift:4
|
Date Public
2025-02-18 18:00
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"product": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support",
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"product": "Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions",
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"product": "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support",
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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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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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