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computer vulnerability note CVE-2019-11815

Linux kernel: use after free via rds_tcp_kill_sock

Synthesis of the vulnerability

An attacker can force the usage of a freed memory area via rds_tcp_kill_sock() of the Linux kernel, in order to trigger a denial of service, and possibly to run code.
Impacted products: Debian, Linux, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this bulletin: 1/4.
Consequences of an intrusion: administrator access/rights, privileged access/rights, user access/rights, denial of service on server, denial of service on service, denial of service on client.
Hacker's origin: LAN.
Creation date: 09/05/2019.
Revision date: 24/05/2019.
Références of this threat: CERTFR-2019-AVI-244, CERTFR-2019-AVI-254, CERTFR-2019-AVI-277, CVE-2019-11815, DLA-1824-1, DSA-4465-1, openSUSE-SU-2019:1404-1, openSUSE-SU-2019:1407-1, openSUSE-SU-2019:1479-1, SUSE-SU-2019:1527-1, SUSE-SU-2019:1529-1, SUSE-SU-2019:1530-1, SUSE-SU-2019:1532-1, SUSE-SU-2019:1534-1, SUSE-SU-2019:1535-1, SUSE-SU-2019:1536-1, SUSE-SU-2019:1550-1, USN-4005-1, USN-4008-1, USN-4008-3, VIGILANCE-VUL-29259.

Description of the vulnerability

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