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Vulnerability of Linux kernel: buffer overflow via add_slot_store

Synthesis of the vulnerability 

An attacker can trigger a buffer overflow via add_slot_store() of the Linux kernel, in order to trigger a denial of service, and possibly to run code.
Vulnerable products: Fedora, Linux, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES.
Severity of this weakness: 2/4.
Creation date: 23/03/2021.
Références of this bulletin: CERTFR-2021-AVI-264, CVE-2021-28972, FEDORA-2021-68b0dd2373, FEDORA-2021-9503fffad9, openSUSE-SU-2021:0532-1, SUSE-SU-2021:1175-1, SUSE-SU-2021:1176-1, SUSE-SU-2021:1177-1, SUSE-SU-2021:1210-1, SUSE-SU-2021:1211-1, SUSE-SU-2021:1238-1, VIGILANCE-VUL-34914.

Description of the vulnerability 

An attacker can trigger a buffer overflow via add_slot_store() of the Linux kern...
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This cybersecurity threat impacts software or systems such as Fedora, Linux, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES.

Our Vigil@nce team determined that the severity of this computer threat 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 security threat.

Solutions for this threat 

Patches for this vulnerability are not yet public.
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