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Vulnerability of Linux kernel: use after free via xfrm_state_fini

Synthesis of the vulnerability 

An attacker can force the usage of a freed memory area via xfrm_state_fini() of the Linux kernel, in order to trigger a denial of service, and possibly to run code.
Impacted software: Linux.
Severity of this computer vulnerability: 2/4.
Creation date: 08/06/2021.
Références of this announce: CVE-2019-25045, VIGILANCE-VUL-35644.

Description of the vulnerability 

An attacker can force the usage of a freed memory area via xfrm_state_fini() of ...
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This vulnerability bulletin impacts software or systems such as Linux.

Our Vigil@nce team determined that the severity of this security note is medium.

The trust level is of type confirmed by the editor, with an origin of user shell.

An attacker with a expert ability can exploit this cybersecurity note.

Solutions for this threat 

Workarounds for this vulnerability are not yet public.
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