CVE-2025-0624 (GCVE-0-2025-0624)

Vulnerability from cvelistv5 – Published: 2025-02-19 18:23 – Updated: 2026-02-26 19:08
VLAI
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)
CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
URL Tags
https://access.redhat.com/errata/RHSA-2025:2521 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:2653 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:2655 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:2675 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:2784 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:2799 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:2867 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:2869 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:3297 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:3301 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:3367 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:3396 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:3573 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:3577 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:3780 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:4422 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:7702 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2025-0624 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2346112 issue-trackingx_refsource_REDHAT
https://security.netapp.com/advisory/ntap-2025051…
Impacted 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
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Red Hat Red Hat Enterprise Linux 8 Unaffected: 1:2.02-162.el8_10 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:8::baseos
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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
 Create a notification for this product.
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_tus:8.4::baseos
    cpe:/o:redhat:rhel_e4s:8.4::baseos
    cpe:/o:redhat:rhel_aus:8.4::baseos
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.4 Telecommunications Update Service Unaffected: 1:2.02-99.el8_4.12 , < * (rpm)
    cpe:/o:redhat:rhel_tus:8.4::baseos
    cpe:/o:redhat:rhel_e4s:8.4::baseos
    cpe:/o:redhat:rhel_aus:8.4::baseos
 Create a notification for this product.
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_tus:8.4::baseos
    cpe:/o:redhat:rhel_e4s:8.4::baseos
    cpe:/o:redhat:rhel_aus:8.4::baseos
 Create a notification for this product.
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_tus:8.6::baseos
    cpe:/o:redhat:rhel_e4s:8.6::baseos
    cpe:/o:redhat:rhel_aus:8.6::baseos
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service Unaffected: 1:2.02-123.el8_6.18 , < * (rpm)
    cpe:/o:redhat:rhel_tus:8.6::baseos
    cpe:/o:redhat:rhel_e4s:8.6::baseos
    cpe:/o:redhat:rhel_aus:8.6::baseos
 Create a notification for this product.
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_tus:8.6::baseos
    cpe:/o:redhat:rhel_e4s:8.6::baseos
    cpe:/o:redhat:rhel_aus:8.6::baseos
 Create a notification for this product.
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
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Red Hat Red Hat Enterprise Linux 9 Unaffected: 1:2.06-94.el9_5 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:9::baseos
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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
 Create a notification for this product.
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
 Create a notification for this product.
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
 Create a notification for this product.
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
 Create a notification for this product.
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
 Create a notification for this product.
Red Hat Red Hat OpenShift Container Platform 4.14 Unaffected: 414.92.202505141057-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.14::el9
    cpe:/a:redhat:openshift:4.14::el8
 Create a notification for this product.
Red Hat Red Hat OpenShift Container Platform 4.15 Unaffected: 415.92.202504282058-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.15::el9
    cpe:/a:redhat:openshift:4.15::el8
 Create a notification for this product.
Red Hat Red Hat OpenShift Container Platform 4.16 Unaffected: 416.94.202503252048-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.16::el9
 Create a notification for this product.
Red Hat Red Hat OpenShift Container Platform 4.17 Unaffected: 417.94.202503241418-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.17::el9
 Create a notification for this product.
Red Hat Red Hat OpenShift Container Platform 4.18 Unaffected: 418.94.202504021150-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.18::el9
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 10     cpe:/o:redhat:enterprise_linux:10
 Create a notification for this product.
Date Public
2025-02-18 18:00
Show details on NVD website
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options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"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.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-787\", \"description\": \"Out-of-bounds Write\"}]}], \"providerMetadata\": {\"orgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"shortName\": \"redhat\", \"dateUpdated\": \"2025-11-24T19:53:36.506Z\"}, \"x_redhatCweChain\": \"CWE-787: Out-of-bounds Write\"}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-0624\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-02-26T19:08:48.261Z\", \"dateReserved\": \"2025-01-21T16:49:51.381Z\", \"assignerOrgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"datePublished\": \"2025-02-19T18:23:21.463Z\", \"assignerShortName\": \"redhat\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Tags
Taxonomy of the tags.





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.


Detection rules are retrieved from Rulezet.