CVE-2021-28951

An issue was discovered in fs/io_uring.c in the Linux kernel through 5.11.8. It allows attackers to cause a denial of service (deadlock) because exit may be waiting to park a SQPOLL thread, but concurrently that SQPOLL thread is waiting for a signal to start, aka CID-3ebba796fa25.
Configurations

Configuration 1 (hide)

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

Configuration 2 (hide)

OR cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

Configuration 3 (hide)

AND
cpe:2.3:h:netapp:a250:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:a250_firmware:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND
cpe:2.3:h:netapp:aff_500f:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:aff_500f_firmware:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND
cpe:2.3:o:netapp:fas_500f_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:fas_500f:-:*:*:*:*:*:*:*

Configuration 6 (hide)

cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*

Configuration 7 (hide)

AND
cpe:2.3:o:netapp:solidfire_baseboard_management_controller_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:solidfire_baseboard_management_controller:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-03-20 20:15

Updated : 2023-11-07 03:32


NVD link : CVE-2021-28951

Mitre link : CVE-2021-28951

CVE.ORG link : CVE-2021-28951


JSON object : View

Products Affected

netapp

  • aff_500f_firmware
  • cloud_backup
  • solidfire_baseboard_management_controller
  • fas_500f_firmware
  • a250_firmware
  • fas_500f
  • aff_500f
  • solidfire_baseboard_management_controller_firmware
  • a250

fedoraproject

  • fedora

linux

  • linux_kernel
CWE
CWE-667

Improper Locking