Vulnerability Monitor

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CVE-2021-33574

The mq_notify function in the GNU C Library (aka glibc) versions 2.32 and 2.33 has a use-after-free. It may use the notification thread attributes object (passed through its struct sigevent parameter) after it has been freed by the caller, leading to a denial of service (application crash) or possibly unspecified other impact.

Published

2021-05-25T22:15:10.410

Last Modified

2024-11-21T06:09:07.140

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

6.4

Weaknesses
  • Type: Primary
    CWE-416
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application gnu glibc 2.32 Yes
Application gnu glibc 2.33 Yes
Operating System fedoraproject fedora 33 Yes
Operating System fedoraproject fedora 34 Yes
Application netapp cloud_backup - Yes
Application netapp e-series_santricity_os_controller ≤ 11.70.1 Yes
Operating System netapp solidfire_baseboard_management_controller_firmware - Yes
Operating System netapp h300s_firmware - Yes
Hardware netapp h300s - No
Operating System netapp h500s_firmware - Yes
Hardware netapp h500s - No
Operating System netapp h700s_firmware - Yes
Hardware netapp h700s - No
Operating System netapp h300e_firmware - Yes
Hardware netapp h300e - No
Operating System netapp h500e_firmware - Yes
Hardware netapp h500e - No
Operating System netapp h700e_firmware - Yes
Hardware netapp h700e - No
Operating System netapp h410s_firmware - Yes
Hardware netapp h410s - No
Operating System debian debian_linux 10.0 Yes
References