CVE-2021-33574
- State
- Published
- Severity
- Not scored
- Published
- May 25, 2021
- Updated
- Oct 14, 2026
- Reserved
- May 25, 2021
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.
Scores
The record has no CVSS score.
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- https://sourceware.org/bugzilla/show_bug.cgi?id=27896
- https://sourceware.org/bugzilla/show_bug.cgi?id=27896#c1
- FEDORA-2021-7ddb8b0537vendor-advisory
- https://security.netapp.com/advisory/ntap-20210629-0005/
- GLSA-202107-07vendor-advisory
- FEDORA-2021-f29b4643c7vendor-advisory
- [debian-lts-announce] 20221017 [SECURITY] [DLA 3152-1] glibc security updatemailing-list
- https://cert-portal.siemens.com/productcert/html/ssa-831302.html
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
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