DEBIAN-CVE-2019-19318

Advisory lineage Upstream: 1 Downstream: 1
Upstream
CVE-2019-19318
Downstream
DLA-2586-1
Published: 28 Nov 2019, 00:15
Last modified:28 Apr 2026, 20:20

Vulnerability Summary

Overall Risk (default)
low
18/100
CVSS Score
4.4 MEDIUM
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

28 Nov 2019, 00:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:20
Last Modified
Vulnerability information updated

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,

CVSS Metrics

  • v3.1•MEDIUM•Score: 4.4CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Affected Systems

  • debian•linux

    < 5.4.6-1 | < 5.4.6-1 | < 5.4.6-1 | < 5.4.6-1

References (1)