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Acknowledged

LIN9-9365 : Security Advisory - linux - CVE-2019-19318

Created: Nov 29, 2019    Updated: Dec 4, 2019
Found In Version: 9.0.0.1
Severity: Standard
Applicable for: Wind River Linux 9
Component/s: Kernel

Description

In the Linux kernel 5.3.11, mounting a crafted btrfs image twice can cause an rwsem_down_write_slowpath use-after-free because (in rwsem_can_spin_on_owner in kernel/locking/rwsem.c) rwsem_owner_flags returns an already freed pointer,

CREATE(Triage):(User=admin) [CVE-2019-19318|https://nvd.nist.gov/vuln/detail/CVE-2019-19318]

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