CVE-2021-20265: linux kernel +1 lainnya

csirt@kutim:~/threat-intel/cve/CVE-2021-20265

CVSS 5.5 · Medium EPSS 0,34%

Kerentanan Uncontrolled Resource Consumption pada linux kernel, oracle tekelec platform distribution. Skor CVSS 3.1 5.5 (Medium) menurut NVD.

Deskripsi (NVD)

A flaw was found in the way memory resources were freed in the unix_stream_recvmsg function in the Linux kernel when a signal was pending. This flaw allows an unprivileged local user to crash the system by exhausting available memory. The highest threat from this vulnerability is to system availability.

Rincian

Terbit di NVD: 10 Maret 2021
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 5.5 (Medium), sumber NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-400: Uncontrolled Resource Consumption
CWE-401: Missing Release of Memory after Effective Lifetime
EPSS (30 hari): 0,34% peluang dieksploitasi; lebih tinggi dari 25,5% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
linux	linux kernel	Semua versi
oracle	tekelec platform distribution	Versi 7.4.0 hingga 7.7.1

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=fa0dc04df259ba2df3ce1920e9690c78... patch · advisory vendor
https://bugzilla.redhat.com/show_bug.cgi?id=1908827 issue tracking · patch · advisory pihak ketiga
https://www.oracle.com/security-alerts/cpuoct2021.html patch · advisory pihak ketiga

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:10 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.