CVE-2021-33574

Katalog CVE

CVSS 9.8 · Critical EPSS 2,9%

Kerentanan Use After Free pada gnu glibc, fedoraproject fedora +11 lainnya. Skor CVSS 3.1 9.8 (Critical) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

25 Mei 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

9.8 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-416: Use After Free

EPSS (30 hari)

2,9% peluang dieksploitasi; lebih tinggi dari 86,4% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html mailing list · advisory pihak ketiga
• https://security.gentoo.org/glsa/202107-07 advisory pihak ketiga
• https://security.netapp.com/advisory/ntap-20210629-0005/ advisory pihak ketiga
• https://sourceware.org/bugzilla/show_bug.cgi?id=27896 exploit · issue tracking · advisory pihak ketiga
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KJYYIMDDYOHTP...
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RBUUWUGXVILQX...
• https://sourceware.org/bugzilla/show_bug.cgi?id=27896#c1 issue tracking