CVE-2022-48697

Severity CVSS v4.0:

Pending analysis

Type:

CWE-416 Use After Free

Publication date:

03/05/2024

Last modified:

08/04/2025

Description

In the Linux kernel, the following vulnerability has been resolved: nvmet: fix a use-after-free Fix the following use-after-free complaint triggered by blktests nvme/004: BUG: KASAN: user-memory-access in blk_mq_complete_request_remote+0xac/0x350 Read of size 4 at addr 0000607bd1835943 by task kworker/13:1/460 Workqueue: nvmet-wq nvme_loop_execute_work [nvme_loop] Call Trace: show_stack+0x52/0x58 dump_stack_lvl+0x49/0x5e print_report.cold+0x36/0x1e2 kasan_report+0xb9/0xf0 __asan_load4+0x6b/0x80 blk_mq_complete_request_remote+0xac/0x350 nvme_loop_queue_response+0x1df/0x275 [nvme_loop] __nvmet_req_complete+0x132/0x4f0 [nvmet] nvmet_req_complete+0x15/0x40 [nvmet] nvmet_execute_io_connect+0x18a/0x1f0 [nvmet] nvme_loop_execute_work+0x20/0x30 [nvme_loop] process_one_work+0x56e/0xa70 worker_thread+0x2d1/0x640 kthread+0x183/0x1c0 ret_from_fork+0x1f/0x30

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L CVSS v3.1 Severity and Metrics:

Base Score: 5.30 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): Low
Availability (A): Low

Base Score 3.x

5.30

Severity 3.x

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::	4.8 (including)	4.19.260 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.20 (including)	5.4.213 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.5 (including)	5.10.143 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.11 (including)	5.15.68 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.16 (including)	5.19.9 (excluding)
cpe:2.3:o:linux:linux_kernel:6.0:rc1::::::
cpe:2.3:o:linux:linux_kernel:6.0:rc2::::::
cpe:2.3:o:linux:linux_kernel:6.0:rc3::::::
cpe:2.3:o:linux:linux_kernel:6.0:rc4::::::

To consult the complete list of CPE names with products and versions, see this page

CVE-2022-48697

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools