CVE-2021-38604
Estado: ModificadaAlta (7.5)—
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.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Puntuación base: 7.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 3.04%
- Percentil entre todas las CVEs puntuadas: 87
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (8)
Fedoraproject — FedoraGNU — GlibcOracle — Communications Cloud Native Core Binding Support FunctionOracle — Communications Cloud Native Core Network Function Cloud Native EnvironmentOracle — Communications Cloud Native Core Network Repository FunctionOracle — Communications Cloud Native Core Security Edge Protection ProxyOracle — Communications Cloud Native Core Unified Data RepositoryOracle — Enterprise Operations Monitor
CWE
- CWE-476
- CWE-476
Referencias
- https://blog.tuxcare.com/cve/tuxcare-team-identifies-cve-2021-38604-a-new-vulnerability-in-glibc
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GYEXYM37RCJWJ6B5KQUYQI4NZBDDYSXP/
- https://security.gentoo.org/glsa/202208-24
- https://security.netapp.com/advisory/ntap-20210909-0005/
- https://sourceware.org/bugzilla/show_bug.cgi?id=28213
- https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=4cc79c217744743077bf7a0ec5e0a4318f1e6641
- https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=b805aebd42364fe696e417808a700fdb9800c9e8
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://blog.tuxcare.com/cve/tuxcare-team-identifies-cve-2021-38604-a-new-vulnerability-in-glibc
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GYEXYM37RCJWJ6B5KQUYQI4NZBDDYSXP/
- https://security.gentoo.org/glsa/202208-24
- https://security.netapp.com/advisory/ntap-20210909-0005/
- https://sourceware.org/bugzilla/show_bug.cgi?id=28213
- https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=4cc79c217744743077bf7a0ec5e0a4318f1e6641
- https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=b805aebd42364fe696e417808a700fdb9800c9e8
- https://www.oracle.com/security-alerts/cpujul2022.html
JSON original (NVD)
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