CVE Vulnerability

CVE-2019-18885

fs/btrfs/volumes.c in the Linux kernel before 5.1 allows a btrfs_verify_dev_extents NULL pointer dereference via a crafted btrfs image because fs_devices->devices is mishandled within find_device, aka CID-09ba3bc9dd15.

2.1 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

5.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=09ba3bc9dd150457c506e4661380a6183af651c1 Patch Third Party Advisory
https://github.com/bobfuzzer/CVE-2019-18885 Exploit Third Party Advisory
https://github.com/torvalds/linux/commit/09ba3bc9dd150457c506e4661380a6183af651c1 Patch Third Party Advisory
https://security.netapp.com/advisory/ntap-20191205-0001/
https://usn.ubuntu.com/4254-1/
https://usn.ubuntu.com/4254-2/
http://packetstormsecurity.com/files/156185/Kernel-Live-Patch-Security-Notice-LSN-0062-1.html
https://usn.ubuntu.com/4258-1/
https://usn.ubuntu.com/4287-1/
https://usn.ubuntu.com/4287-2/
https://lists.debian.org/debian-lts-announce/2020/08/msg00019.html
https://www.oracle.com/security-alerts/cpuApr2021.html
Configurations

Configuration 1

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Information

Published : 2019-11-14 02:15

Updated : 2021-06-14 06:15

NVD link : CVE-2019-18885

Mitre link : CVE-2019-18885

Products Affected
No products.
CWE
CWE-476