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Vigil@nce - Linux kernel: use after free via rds_tcp_kill_sock

May 2019 by Vigil@nce

This bulletin was written by Vigil@nce : https://vigilance.fr/offer/Computer-vulnerability-database-and-alert

SYNTHESIS OF THE VULNERABILITY

Impacted products: Linux, openSUSE Leap.

Severity: 1/4.

Consequences: administrator access/rights, privileged
access/rights, user access/rights, denial of service on server,
denial of service on service, denial of service on client.

Provenance: user shell.

Confidence: confirmed by the editor (5/5).

Creation date: 09/05/2019.

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.

ACCESS TO THE FULL VIGIL@NCE BULLETIN

https://vigilance.fr/vulnerability/Linux-kernel-use-after-free-via-rds-tcp-kill-sock-29259


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