CVE-2021-4090

Katalog CVE

CVSS 7.1 · High EPSS 0,34%

Kerentanan Out-of-bounds Write pada linux kernel, netapp h300s firmware +7 lainnya. Skor CVSS 3.1 7.1 (High) menurut NVD.

Deskripsi (NVD)

An out-of-bounds (OOB) memory write flaw was found in the NFSD in the Linux kernel. Missing sanity may lead to a write beyond bmval[bmlen-1] in nfsd4_decode_bitmap4 in fs/nfsd/nfs4xdr.c. In this flaw, a local attacker with user privilege may gain access to out-of-bounds memory, leading to a system integrity and confidentiality threat.

Rincian

Terbit di NVD

18 Februari 2022

Terakhir diubah

25 Agustus 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-787: Out-of-bounds Write

EPSS (30 hari)

0,34% peluang dieksploitasi; lebih tinggi dari 25,1% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugzilla.redhat.com/show_bug.cgi?id=2025101 issue tracking · patch · advisory pihak ketiga
• https://security.netapp.com/advisory/ntap-20220318-0010/ advisory pihak ketiga
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c0019b7db1d7ac62c711cda6b357a659...
• https://lore.kernel.org/linux-nfs/163692036074.16710.5678362976688977923.stgit%40klimt.1015granger.net/
• https://cert-portal.siemens.com/productcert/html/ssa-265688.html