cve-2025-0622
Vulnerability from cvelistv5
Published
2025-02-18 19:26
Modified
2025-05-29 06:08
Severity ?
EPSS score ?
Summary
Grub2: command/gpg: use-after-free due to hooks not being removed on module unload
References
Impacted products
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In some scenarios, hooks created by loaded modules are not removed when the related module is unloaded. This flaw allows an attacker to force grub2 to call the hooks once the module that registered it was unloaded, leading to a use-after-free vulnerability. If correctly exploited, this vulnerability may result in arbitrary code execution, eventually allowing the attacker to bypass secure boot protections.\"},{\"lang\":\"es\",\"value\":\"Se encontr\u00f3 un defecto en command/gpg. En algunos escenarios, los ganchos creados por m\u00f3dulos cargados no se eliminan cuando se descarga el m\u00f3dulo relacionado. Este defecto permite que un atacante obliga a Grub2 llamar a los ganchos una vez que el m\u00f3dulo que lo registr\u00f3 se descarg\u00f3, lo que llev\u00f3 a una vulnerabilidad de use-after-free. Si se explota correctamente, esta vulnerabilidad puede dar como resultado una ejecuci\u00f3n de c\u00f3digo arbitraria, lo que eventualmente permite que el atacante pase por alto las protecciones seguras de arranque.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"secalert@redhat.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":6.4,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":0.5,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"secalert@redhat.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"references\":[{\"url\":\"https://access.redhat.com/errata/RHSA-2025:6990\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://access.redhat.com/security/cve/CVE-2025-0622\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=2345865\",\"source\":\"secalert@redhat.com\"}]}}" } }
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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.