Vulnerability Intelligence Report
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.
No Active Exploit Signals
CVSS Base Score
9.8
CRITICAL
EPSS Probability:2.90%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| gnu | glibc | 2.32, 2.33 |
| fedoraproject | fedora | 33, 34 |
| netapp | cloud_backup | all |
| netapp | e-series_santricity_os_controller | all |
| netapp | solidfire_baseboard_management_controller_firmware | all |
| netapp | h300s_firmware | all |
| netapp | h300s | all |
| netapp | h500s_firmware | all |
| netapp | h500s | all |
| netapp | h700s_firmware | all |
| netapp | h700s | all |
| netapp | h300e_firmware | all |
| netapp | h300e | all |
| netapp | h500e_firmware | all |
| netapp | h500e | all |
| netapp | h700e_firmware | all |
| netapp | h700e | all |
| netapp | h410s_firmware | all |
| netapp | h410s | all |
| debian | debian_linux | 10.0 |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
2.898%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | MITRE Corporation · N/A · USA |
| Reserved | 2021-05-25T00:00:00 |
| Published | 2021-05-25T00:00:00 |
| Last Updated | 2024-08-03T23:50:43 |
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