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computer vulnerability alert CVE-2019-11811

Linux kernel: use after free via ipmi_si module

Synthesis of the vulnerability

An attacker can force the usage of a freed memory area via ipmi_si module of the Linux kernel, in order to trigger a denial of service, and possibly to run code.
Vulnerable products: BIG-IP Hardware, TMOS, Linux, openSUSE Leap, RHEL, SLES.
Severity of this weakness: 2/4.
Consequences of an attack: administrator access/rights, denial of service on server.
Hacker's origin: user shell.
Creation date: 09/05/2019.
Références of this bulletin: CERTFR-2019-AVI-361, CERTFR-2019-AVI-458, CVE-2019-11811, K01512680, openSUSE-SU-2019:1479-1, RHSA-2019:1873-01, RHSA-2019:1891-01, RHSA-2019:1959-01, RHSA-2019:1971-01, SUSE-SU-2019:1550-1, SUSE-SU-2019:2430-1, VIGILANCE-VUL-29256.

Description of the vulnerability

An attacker can force the usage of a freed memory area via ipmi_si module of the Linux kernel, in order to trigger a denial of service, and possibly to run code.
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