Rapid7 Vulnerability & Exploit Database

Alma Linux: CVE-2021-33574: Moderate: glibc security, bug fix, and enhancement update (ALSA-2021-4358)

Free InsightVM Trial No Credit Card Necessary
Watch Demo See how it all works
Back to Search

Alma Linux: CVE-2021-33574: Moderate: glibc security, bug fix, and enhancement update (ALSA-2021-4358)

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
05/25/2021
Created
05/05/2022
Added
05/04/2022
Modified
09/15/2022

Description

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.

Solution(s)

  • alma-upgrade-compat-libpthread-nonshared
  • alma-upgrade-glibc-benchtests
  • alma-upgrade-glibc-nss-devel
  • alma-upgrade-glibc-static
  • alma-upgrade-glibc-utils
  • alma-upgrade-nss_hesiod

References

insightVM

Advanced vulnerability management analytics and reporting.
Key Features
Free InsightVM Trial View All Features

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;