BaselineWatch
Desk
Your fleet and your work Fleetyour releases and the hardware they run onTriagewhat needs a decisionWatchlistthe products and platforms you runSaved searchesthe lists you come back to
This instance Sourceswhat is read, how often, under what termsDigestthe daily or weekly summary, and alerts
How it is drawn Appearancethe look and the colour schemeBrandingthe mark this instance wears
Owner sign-in

CVE-2021-33574

9.8 critical Modified
NVD · CVE.org

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.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 1

  1. First seenCVSS 9.8 · gnu, fedoraproject, netappNVD modified 2026-10-14 12:17

Affected (CPE criteria) 15

  • cpe:2.3:a:gnu:glibc:2.32:*:*:*:*:*:*:*
  • cpe:2.3:a:gnu:glibc:2.33:*:*:*:*:*:*:*
  • cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
  • cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
  • cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
  • cpe:2.3:a:netapp:e-series_santricity_os_controller:*:*:*:*:*:*:*:*
  • cpe:2.3:o:netapp:solidfire_baseboard_management_controller_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

References 16