gsd-2020-15706
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
GRUB2 contains a race condition in grub_script_function_create() leading to a use-after-free vulnerability which can be triggered by redefining a function whilst the same function is already executing, leading to arbitrary code execution and secure boot restriction bypass. This issue affects GRUB2 version 2.04 and prior versions.
Aliases
Aliases
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"description": "GRUB2 contains a race condition in grub_script_function_create() leading to a use-after-free vulnerability which can be triggered by redefining a function whilst the same function is already executing, leading to arbitrary code execution and secure boot restriction bypass. This issue affects GRUB2 version 2.04 and prior versions.",
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"https://www.debian.org/security/2020/dsa-4735",
"https://access.redhat.com/errata/RHSA-2020:3276",
"https://access.redhat.com/errata/RHSA-2020:3275",
"https://access.redhat.com/errata/RHSA-2020:3274",
"https://access.redhat.com/errata/RHSA-2020:3273",
"https://access.redhat.com/errata/RHSA-2020:3271",
"https://access.redhat.com/errata/RHSA-2020:3227",
"https://access.redhat.com/errata/RHSA-2020:3223",
"https://access.redhat.com/errata/RHSA-2020:3217",
"https://access.redhat.com/errata/RHSA-2020:3216",
"https://ubuntu.com/security/CVE-2020-15706",
"https://advisories.mageia.org/CVE-2020-15706.html",
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"lastModifiedDate": "2022-11-16T03:58Z",
"publishedDate": "2020-07-29T18:15Z"
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}
}
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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.