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Vulnerability of OS-autoinst: denial of service via SIGCHLD Signal

Synthesis of the vulnerability 

An attacker can trigger a fatal error via SIGCHLD Signal of OS-autoinst, in order to trigger a denial of service.
Impacted systems: Fedora.
Severity of this alert: 1/4.
Creation date: 22/04/2021.
Références of this alert: FEDORA-2021-186bca5b58, RHBUG-1667163, VIGILANCE-VUL-35135.

Description of the vulnerability 

An attacker can trigger a fatal error via SIGCHLD Signal of OS-autoinst, in order to trigger a denial of service.
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This vulnerability impacts software or systems such as Fedora.

Our Vigil@nce team determined that the severity of this security announce is low.

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 computer vulnerability note.

Solutions for this threat 

Fedora 33: new os-autoinst packages.
New packages are available:
  Fedora 33: os-autoinst 4.6-35.20210326git24ec8f9.fc33
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