CVE Vulnerability

CVE-2019-25044

The block subsystem in the Linux kernel before 5.2 has a use-after-free that can lead to arbitrary code execution in the kernel context and privilege escalation, aka CID-c3e2219216c9. This is related to blk_mq_free_rqs and blk_cleanup_queue.

7.2 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Scope

7.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c3e2219216c92919a6bd1711f340f5faa98695e6 Mailing List Patch
https://syzkaller.appspot.com/bug?id=36fe241584203cf394d44560a42e3430434f1213 Exploit Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2 Patch Vendor Advisory
https://sites.google.com/view/syzscope/kasan-use-after-free-read-in-blk_mq_free_rqs Third Party Advisory
https://security.netapp.com/advisory/ntap-20210629-0006/ Third Party Advisory
Configurations

Configuration 1

cpe:2.3:o:linux:linux_kernel:5.2:rc3:*:*:*:*:*:*
cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:solidfire_&_hci_management_node:-:*:*:*:*:*:*:*
Information

Published : 2021-05-14 11:15

Updated : 2023-01-24 02:01

NVD link : CVE-2019-25044

Mitre link : CVE-2019-25044

Products Affected

Netapp

Solidfire Baseboard Management Controller Firmware

CWE
CWE-416