// For flags

CVE-2022-48697

nvmet: fix a use-after-free

Severity Score

5.3
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

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

En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: nvmet: corrige un use-after-free. Solucione la siguiente queja de use-after-free activada por blktests nvme/004: ERROR: KASAN: acceso a la memoria del usuario en blk_mq_complete_request_remote+0xac /0x350 Lectura de tamaño 4 en la dirección 0000607bd1835943 por tarea kworker/13:1/460 Cola de trabajo: nvmet-wq nvme_loop_execute_work [nvme_loop] Seguimiento de llamadas: show_stack+0x52/0x58 dump_stack_lvl+0x49/0x5e /0x1e2 informe_kasan+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_req_complete+0x15/0x 40 [nvmet] nvmet_execute_io_connect+0x18a/0x1f0 [nvmet] nvme_loop_execute_work+0x20/0x30 [ nvme_loop] proceso_one_work+0x56e/0xa70 trabajador_thread+0x2d1/0x640 kthread+0x183/0x1c0 ret_from_fork+0x1f/0x30

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2024-05-03 CVE Reserved
  • 2024-05-03 CVE Published
  • 2024-05-04 EPSS Updated
  • 2024-12-19 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Linux
Search vendor "Linux"
 Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
 >= 4.8 < 4.19.260
Search vendor "Linux" for product "Linux Kernel" and version " >= 4.8 < 4.19.260"
en
Affected
Linux
Search vendor "Linux"
 Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
 >= 4.8 < 5.4.213
Search vendor "Linux" for product "Linux Kernel" and version " >= 4.8 < 5.4.213"
en
Affected
Linux
Search vendor "Linux"
 Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
 >= 4.8 < 5.10.143
Search vendor "Linux" for product "Linux Kernel" and version " >= 4.8 < 5.10.143"
en
Affected
Linux
Search vendor "Linux"
 Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
 >= 4.8 < 5.15.68
Search vendor "Linux" for product "Linux Kernel" and version " >= 4.8 < 5.15.68"
en
Affected
Linux
Search vendor "Linux"
 Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
 >= 4.8 < 5.19.9
Search vendor "Linux" for product "Linux Kernel" and version " >= 4.8 < 5.19.9"
en
Affected
Linux
Search vendor "Linux"
 Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
 >= 4.8 < 6.0
Search vendor "Linux" for product "Linux Kernel" and version " >= 4.8 < 6.0"
en
Affected