CVE-2021-31440

Katalog CVE

CVSS 7.0 · High EPSS 1,8%

Kerentanan Incorrect Calculation pada linux kernel, netapp solidfire baseboard management controller firmware +8 lainnya. Skor CVSS 3.1 7.0 (High) menurut NVD.

Deskripsi (NVD)

This vulnerability allows local attackers to escalate privileges on affected installations of Linux Kernel 5.11.15. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the handling of eBPF programs. The issue results from the lack of proper validation of user-supplied eBPF programs prior to executing them. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the kernel. Was ZDI-CAN-13661.

Rincian

Terbit di NVD

21 Mei 2021

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-682: Incorrect Calculation

EPSS (30 hari)

1,8% peluang dieksploitasi; lebih tinggi dari 77,3% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=10bf4e83167cc68595b85fd73bb91e8f... patch · advisory vendor
• https://security.netapp.com/advisory/ntap-20210706-0003/ advisory pihak ketiga
• https://www.zerodayinitiative.com/advisories/ZDI-21-503/ advisory pihak ketiga · vdb entry