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Case File

CVE-2019-19318

MEDIUM · CVSS 4.4 EPSS 0.65% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2019-11-28 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 4.4. It affects Linux. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2019-19318
Severity
MEDIUM
CVSS
4.4
EPSS
0.65%
Linux

Original NVD 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,

Related CVEs

Other vulnerabilities affecting the same vendor(s)