CVE-2025-0624 (GCVE-0-2025-0624)
Vulnerability from cvelistv5
Published
2025-02-19 18:23
Modified
2025-11-11 08:13
Severity ?
7.6 (High) - CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
CWE
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.
References
Impacted products
Vendor Product Version
Version: 0   ≤ 2.12
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   Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support Unaffected: 1:2.02-0.87.el7_9.15   < *
    cpe:/o:redhat:rhel_els:7
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   Red Hat Red Hat Enterprise Linux 8 Unaffected: 1:2.02-162.el8_10   < *
    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   < *
    cpe:/o:redhat:rhel_aus:8.2::baseos
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   Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Unaffected: 1:2.02-99.el8_4.12   < *
    cpe:/o:redhat:rhel_e4s:8.4::baseos
    cpe:/o:redhat:rhel_tus:8.4::baseos
    cpe:/o:redhat:rhel_aus:8.4::baseos
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   Red Hat Red Hat Enterprise Linux 8.4 Telecommunications Update Service Unaffected: 1:2.02-99.el8_4.12   < *
    cpe:/o:redhat:rhel_e4s:8.4::baseos
    cpe:/o:redhat:rhel_tus:8.4::baseos
    cpe:/o:redhat:rhel_aus:8.4::baseos
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   Red Hat Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions Unaffected: 1:2.02-99.el8_4.12   < *
    cpe:/o:redhat:rhel_e4s:8.4::baseos
    cpe:/o:redhat:rhel_tus:8.4::baseos
    cpe:/o:redhat:rhel_aus:8.4::baseos
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   Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Unaffected: 1:2.02-123.el8_6.18   < *
    cpe:/o:redhat:rhel_aus:8.6::baseos
    cpe:/o:redhat:rhel_e4s:8.6::baseos
    cpe:/o:redhat:rhel_tus:8.6::baseos
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   Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service Unaffected: 1:2.02-123.el8_6.18   < *
    cpe:/o:redhat:rhel_aus:8.6::baseos
    cpe:/o:redhat:rhel_e4s:8.6::baseos
    cpe:/o:redhat:rhel_tus:8.6::baseos
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   Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions Unaffected: 1:2.02-123.el8_6.18   < *
    cpe:/o:redhat:rhel_aus:8.6::baseos
    cpe:/o:redhat:rhel_e4s:8.6::baseos
    cpe:/o:redhat:rhel_tus:8.6::baseos
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   Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support Unaffected: 1:2.02-152.el8_8.2   < *
    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   < *
    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   < *
    cpe:/o:redhat:rhel_e4s:9.0::baseos
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   Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support Unaffected: 1:2.06-61.el9_2.10   < *
    cpe:/o:redhat:rhel_eus:9.2::baseos
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   Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support Unaffected: 1:2.06-86.el9_4.2   < *
    cpe:/o:redhat:rhel_eus:9.4::baseos
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   Red Hat Red Hat OpenShift Container Platform 4.12 Unaffected: 412.86.202503310142-0   < *
    cpe:/a:redhat:openshift:4.12::el8
    cpe:/a:redhat:openshift:4.12::el9
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   Red Hat Red Hat OpenShift Container Platform 4.13 Unaffected: 413.92.202504070146-0   < *
    cpe:/a:redhat:openshift:4.13::el8
    cpe:/a:redhat:openshift:4.13::el9
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   Red Hat Red Hat OpenShift Container Platform 4.14 Unaffected: 414.92.202505141057-0   < *
    cpe:/a:redhat:openshift:4.14::el9
    cpe:/a:redhat:openshift:4.14::el8
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   Red Hat Red Hat OpenShift Container Platform 4.15 Unaffected: 415.92.202504282058-0   < *
    cpe:/a:redhat:openshift:4.15::el9
    cpe:/a:redhat:openshift:4.15::el8
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   Red Hat Red Hat OpenShift Container Platform 4.16 Unaffected: 416.94.202503252048-0   < *
    cpe:/a:redhat:openshift:4.16::el9
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   Red Hat Red Hat OpenShift Container Platform 4.17 Unaffected: 417.94.202503241418-0   < *
    cpe:/a:redhat:openshift:4.17::el9
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   Red Hat Red Hat OpenShift Container Platform 4.18 Unaffected: 418.94.202504021150-0   < *
    cpe:/a:redhat:openshift:4.18::el9
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   Red Hat Red Hat Enterprise Linux 10     cpe:/o:redhat:enterprise_linux:10
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\"https://access.redhat.com/errata/RHSA-2025:3577\", \"name\": \"RHSA-2025:3577\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2025:3780\", \"name\": \"RHSA-2025:3780\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2025:4422\", \"name\": \"RHSA-2025:4422\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2025:7702\", \"name\": \"RHSA-2025:7702\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/security/cve/CVE-2025-0624\", \"tags\": [\"vdb-entry\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=2346112\", \"name\": \"RHBZ#2346112\", \"tags\": [\"issue-tracking\", \"x_refsource_REDHAT\"]}], \"workarounds\": [{\"lang\": \"en\", \"value\": \"Mitigation for this issue is either not available or the currently available 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\": \"2025-11-11T08:13:04.517Z\"}, \"x_redhatCweChain\": \"CWE-787: Out-of-bounds Write\"}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-0624\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-11-11T08:13:04.517Z\", \"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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