Updated: 2025-08-20 00:24:45.918705
Description:
In librt in the GNU C Library (aka glibc) through 2.34, sysdeps/unix/sysv/linux/mq_notify.c mishandles certain NOTIFY_REMOVED data, leading to a NULL pointer dereference. NOTE: this vulnerability was introduced as a side effect of the CVE-2021-33574 fix.
| Links | NIST | CIRCL | RHEL | Ubuntu |
| Severity | Score | |
|---|---|---|
| CVSS Version 2.x | MEDIUM | 5.0 |
| CVSS Version 3.x | HIGH | 7.5 |
| OS name | Project name | Version | Score | Severity | Status | Errata | Last updated | Statement |
|---|---|---|---|---|---|---|---|---|
| AlmaLinux 9.2 ESU | glibc | 2.34 | 7.5 | HIGH | Not Vulnerable | 2023-11-08 08:36:05 | ||
| CentOS 6 ELS | glibc | 2.12 | 7.5 | HIGH | Released | CLSA-2021:1629395067 | 2022-05-05 12:00:37 | |
| CentOS 7 ELS | glibc | 2.17 | 7.5 | HIGH | Not Vulnerable | 2023-09-19 09:30:30 | ||
| CentOS 8.4 ELS | glibc | 2.28 | 7.5 | HIGH | Released | CLSA-2022:1643727522 | 2022-02-22 14:42:09 | |
| CentOS 8.5 ELS | glibc | 2.28 | 7.5 | HIGH | Not Vulnerable | 2022-02-22 11:49:15 | ||
| CloudLinux 6 ELS | glibc | 2.12 | 7.5 | HIGH | Released | 2022-04-07 13:06:43 | ||
| Oracle Linux 6 ELS | glibc | 2.12 | 7.5 | HIGH | Released | CLSA-2021:1634922609 | 2021-12-09 07:57:04 | |
| Ubuntu 16.04 ELS | glibc | 2.23-0 | 7.5 | HIGH | Released | CLSA-2021:1635459187 | 2021-12-09 07:57:04 | |
| Ubuntu 18.04 ELS | glibc | 2.27-3 | 7.5 | HIGH | Not Vulnerable | 2023-06-14 09:07:24 |