CVE-2020-25212: linux kernel +3 lainnya

csirt@kutim:~/threat-intel/cve/CVE-2020-25212

CVSS 7.0 · High EPSS 0,27%

Kerentanan Time-of-check Time-of-use (TOCTOU) Race Condition pada linux kernel, debian linux +2 lainnya. Skor CVSS 3.1 7.0 (High) menurut NVD.

Deskripsi (NVD)

A TOCTOU mismatch in the NFS client code in the Linux kernel before 5.8.3 could be used by local attackers to corrupt memory or possibly have unspecified other impact because a size check is in fs/nfs/nfs4proc.c instead of fs/nfs/nfs4xdr.c, aka CID-b4487b935452.

Rincian

Terbit di NVD: 9 September 2020
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 7.0 (High), sumber NVD
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition
CWE-787: Out-of-bounds Write
EPSS (30 hari): 0,27% peluang dieksploitasi; lebih tinggi dari 18,4% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
linux	linux kernel	Semua versi sebelum 5.8.3
debian	debian linux	Versi 9.0
opensuse	leap	Versi 15.1
opensuse	leap	Versi 15.2
canonical	ubuntu linux	Versi 14.04
canonical	ubuntu linux	Versi 16.04
canonical	ubuntu linux	Versi 18.04
canonical	ubuntu linux	Versi 20.04

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.3 mailing list · advisory vendor
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b4487b93545214a9db8cbf32e8641167... mailing list · patch · advisory vendor
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html mailing list · advisory pihak ketiga
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00035.html mailing list · advisory pihak ketiga
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00042.html mailing list · advisory pihak ketiga
https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html mailing list · advisory pihak ketiga
https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html mailing list · advisory pihak ketiga
https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html mailing list · advisory pihak ketiga
https://twitter.com/grsecurity/status/1303370421958578179 advisory pihak ketiga
https://usn.ubuntu.com/4525-1/ advisory pihak ketiga
https://usn.ubuntu.com/4527-1/ advisory pihak ketiga
https://usn.ubuntu.com/4578-1/ 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.