Grub2: net: out-of-bounds write in grub_net_search_config_file()
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.
CVE-2025-0624
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2025-0624
Red Hat Enterprise Linux 7 Extended Lifecycle Support
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Red Hat Enterprise Linux 8
Source reference: /containers/cna/affected/2/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Red Hat Enterprise Linux 8.2 Advanced Update Support
Source reference: /containers/cna/affected/3/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
Source reference: /containers/cna/affected/4/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Red Hat Enterprise Linux 8.4 Telecommunications Update Service
Source reference: /containers/cna/affected/5/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions
Source reference: /containers/cna/affected/6/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
Source reference: /containers/cna/affected/7/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Red Hat Enterprise Linux 8.6 Telecommunications Update Service
Source reference: /containers/cna/affected/8/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
Source reference: /containers/cna/affected/9/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Red Hat Enterprise Linux 8.8 Extended Update Support
Source reference: /containers/cna/affected/10/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Red Hat Enterprise Linux 9
Source reference: /containers/cna/affected/11/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions
Source reference: /containers/cna/affected/12/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Red Hat Enterprise Linux 9.2 Extended Update Support
Source reference: /containers/cna/affected/13/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Red Hat Enterprise Linux 9.4 Extended Update Support
Source reference: /containers/cna/affected/14/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Red Hat OpenShift Container Platform 4.12
Source reference: /containers/cna/affected/15/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Red Hat OpenShift Container Platform 4.13
Source reference: /containers/cna/affected/16/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Red Hat OpenShift Container Platform 4.14
Source reference: /containers/cna/affected/17/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Red Hat OpenShift Container Platform 4.15
Source reference: /containers/cna/affected/18/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Red Hat OpenShift Container Platform 4.16
Source reference: /containers/cna/affected/19/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Red Hat OpenShift Container Platform 4.17
Source reference: /containers/cna/affected/20/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Red Hat OpenShift Container Platform 4.18
Source reference: /containers/cna/affected/21/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Red Hat Enterprise Linux 10
Source reference: /containers/cna/affected/22/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"versions": [
{
"status": "affected",
"version": "0",
"versionType": "semver",
"lessThanOrEqual": "2.12"
}
],
"packageName": "grub2",
"collectionURL": "https://www.gnu.org/software/grub/",
"defaultStatus": "unaffected"
},
{
"cpes": [
"cpe:/o:redhat:rhel_els:7"
],
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 7 Extended Lifecycle Support",
"versions": [
{
"status": "unaffected",
"version": "1:2.02-0.87.el7_9.15",
"lessThan": "*",
"versionType": "rpm"
}
],
"packageName": "grub2",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"defaultStatus": "affected"
},
{
"cpes": [
"cpe:/o:redhat:enterprise_linux:8::baseos"
],
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 8",
"versions": [
{
"status": "unaffected",
"version": "1:2.02-162.el8_10",
"lessThan": "*",
"versionType": "rpm"
}
],
"packageName": "grub2",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"defaultStatus": "affected"
},
{
"cpes": [
"cpe:/o:redhat:rhel_aus:8.2::baseos"
],
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 8.2 Advanced Update Support",
"versions": [
{
"status": "unaffected",
"version": "1:2.02-87.el8_2.13",
"lessThan": "*",
"versionType": "rpm"
}
],
"packageName": "grub2",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"defaultStatus": "affected"
},
{
"cpes": [
"cpe:/o:redhat:rhel_aus:8.4::baseos",
"cpe:/o:redhat:rhel_e4s:8.4::baseos",
"cpe:/o:redhat:rhel_tus:8.4::baseos"
],
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support",
"versions": [
{
"status": "unaffected",
"version": "1:2.02-99.el8_4.12",
"lessThan": "*",
"versionType": "rpm"
}
],
"packageName": "grub2",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"defaultStatus": "affected"
},
{
"cpes": [
"cpe:/o:redhat:rhel_aus:8.4::baseos",
"cpe:/o:redhat:rhel_e4s:8.4::baseos",
"cpe:/o:redhat:rhel_tus:8.4::baseos"
],
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 8.4 Telecommunications Update Service",
"versions": [
{
"status": "unaffected",
"version": "1:2.02-99.el8_4.12",
"lessThan": "*",
"versionType": "rpm"
}
],
"packageName": "grub2",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"defaultStatus": "affected"
},
{
"cpes": [
"cpe:/o:redhat:rhel_aus:8.4::baseos",
"cpe:/o:redhat:rhel_e4s:8.4::baseos",
"cpe:/o:redhat:rhel_tus:8.4::baseos"
],
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions",
"versions": [
{
"status": "unaffected",
"version": "1:2.02-99.el8_4.12",
"lessThan": "*",
"versionType": "rpm"
}
],
"packageName": "grub2",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"defaultStatus": "affected"
},
{
"cpes": [
"cpe:/o:redhat:rhel_aus:8.6::baseos",
"cpe:/o:redhat:rhel_e4s:8.6::baseos",
"cpe:/o:redhat:rhel_tus:8.6::baseos"
],
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support",
"versions": [
{
"status": "unaffected",
"version": "1:2.02-123.el8_6.18",
"lessThan": "*",
"versionType": "rpm"
}
],
"packageName": "grub2",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"defaultStatus": "affected"
},
{
"cpes": [
"cpe:/o:redhat:rhel_aus:8.6::baseos",
"cpe:/o:redhat:rhel_e4s:8.6::baseos",
"cpe:/o:redhat:rhel_tus:8.6::baseos"
],
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 8.6 Telecommunications Update Service",
"versions": [
{
"status": "unaffected",
"version": "1:2.02-123.el8_6.18",
"lessThan": "*",
"versionType": "rpm"
}
],
"packageName": "grub2",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"defaultStatus": "affected"
},
{
"cpes": [
"cpe:/o:redhat:rhel_aus:8.6::baseos",
"cpe:/o:redhat:rhel_e4s:8.6::baseos",
"cpe:/o:redhat:rhel_tus:8.6::baseos"
],
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions",
"versions": [
{
"status": "unaffected",
"version": "1:2.02-123.el8_6.18",
"lessThan": "*",
"versionType": "rpm"
}
],
"packageName": "grub2",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"defaultStatus": "affected"
},
{
"cpes": [
"cpe:/o:redhat:rhel_eus:8.8::baseos"
],
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 8.8 Extended Update Support",
"versions": [
{
"status": "unaffected",
"version": "1:2.02-152.el8_8.2",
"lessThan": "*",
"versionType": "rpm"
}
],
"packageName": "grub2",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"defaultStatus": "affected"
},
{
"cpes": [
"cpe:/o:redhat:enterprise_linux:9::baseos"
],
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 9",
"versions": [
{
"status": "unaffected",
"version": "1:2.06-94.el9_5",
"lessThan": "*",
"versionType": "rpm"
}
],
"packageName": "grub2",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"defaultStatus": "affected"
},
{
"cpes": [
"cpe:/o:redhat:rhel_e4s:9.0::baseos"
],
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions",
"versions": [
{
"status": "unaffected",
"version": "1:2.06-27.el9_0.22",
"lessThan": "*",
"versionType": "rpm"
}
],
"packageName": "grub2",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"defaultStatus": "affected"
},
{
"cpes": [
"cpe:/o:redhat:rhel_eus:9.2::baseos"
],
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 9.2 Extended Update Support",
"versions": [
{
"status": "unaffected",
"version": "1:2.06-61.el9_2.10",
"lessThan": "*",
"versionType": "rpm"
}
],
"packageName": "grub2",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"defaultStatus": "affected"
},
{
"cpes": [
"cpe:/o:redhat:rhel_eus:9.4::baseos"
],
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 9.4 Extended Update Support",
"versions": [
{
"status": "unaffected",
"version": "1:2.06-86.el9_4.2",
"lessThan": "*",
"versionType": "rpm"
}
],
"packageName": "grub2",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"defaultStatus": "affected"
},
{
"cpes": [
"cpe:/a:redhat:openshift:4.12::el8",
"cpe:/a:redhat:openshift:4.12::el9"
],
"vendor": "Red Hat",
"product": "Red Hat OpenShift Container Platform 4.12",
"versions": [
{
"status": "unaffected",
"version": "412.86.202503310142-0",
"lessThan": "*",
"versionType": "rpm"
}
],
"packageName": "openshift/ose-rhel-coreos-8",
"collectionURL": "https://catalog.redhat.com/software/containers/",
"defaultStatus": "affected"
},
{
"cpes": [
"cpe:/a:redhat:openshift:4.13::el8",
"cpe:/a:redhat:openshift:4.13::el9"
],
"vendor": "Red Hat",
"product": "Red Hat OpenShift Container Platform 4.13",
"versions": [
{
"status": "unaffected",
"version": "413.92.202504070146-0",
"lessThan": "*",
"versionType": "rpm"
}
],
"packageName": "openshift/ose-rhel-coreos-9",
"collectionURL": "https://catalog.redhat.com/software/containers/",
"defaultStatus": "affected"
},
{
"cpes": [
"cpe:/a:redhat:openshift:4.14::el8",
"cpe:/a:redhat:openshift:4.14::el9"
],
"vendor": "Red Hat",
"product": "Red Hat OpenShift Container Platform 4.14",
"versions": [
{
"status": "unaffected",
"version": "414.92.202505141057-0",
"lessThan": "*",
"versionType": "rpm"
}
],
"packageName": "openshift/ose-rhel-coreos-9",
"collectionURL": "https://catalog.redhat.com/software/containers/",
"defaultStatus": "affected"
},
{
"cpes": [
"cpe:/a:redhat:openshift:4.15::el8",
"cpe:/a:redhat:openshift:4.15::el9"
],
"vendor": "Red Hat",
"product": "Red Hat OpenShift Container Platform 4.15",
"versions": [
{
"status": "unaffected",
"version": "415.92.202504282058-0",
"lessThan": "*",
"versionType": "rpm"
}
],
"packageName": "openshift/ose-rhel-coreos-9",
"collectionURL": "https://catalog.redhat.com/software/containers/",
"defaultStatus": "affected"
},
{
"cpes": [
"cpe:/a:redhat:openshift:4.16::el9"
],
"vendor": "Red Hat",
"product": "Red Hat OpenShift Container Platform 4.16",
"versions": [
{
"status": "unaffected",
"version": "416.94.202503252048-0",
"lessThan": "*",
"versionType": "rpm"
}
],
"packageName": "openshift/ose-rhel-coreos-9",
"collectionURL": "https://catalog.redhat.com/software/containers/",
"defaultStatus": "affected"
},
{
"cpes": [
"cpe:/a:redhat:openshift:4.17::el9"
],
"vendor": "Red Hat",
"product": "Red Hat OpenShift Container Platform 4.17",
"versions": [
{
"status": "unaffected",
"version": "417.94.202503241418-0",
"lessThan": "*",
"versionType": "rpm"
}
],
"packageName": "openshift/ose-rhel-coreos-9",
"collectionURL": "https://catalog.redhat.com/software/containers/",
"defaultStatus": "affected"
},
{
"cpes": [
"cpe:/a:redhat:openshift:4.18::el9"
],
"vendor": "Red Hat",
"product": "Red Hat OpenShift Container Platform 4.18",
"versions": [
{
"status": "unaffected",
"version": "418.94.202504021150-0",
"lessThan": "*",
"versionType": "rpm"
}
],
"packageName": "openshift/ose-rhel-coreos-9",
"collectionURL": "https://catalog.redhat.com/software/containers/",
"defaultStatus": "affected"
},
{
"cpes": [
"cpe:/o:redhat:enterprise_linux:10"
],
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 10",
"packageName": "grub2",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2025-0624
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #17173 · Revision 1
- Added to Heist Feed
- Publisher date