CVE-2021-47087

Katalog CVE

CVSS 7.8 · High EPSS 0,24%

Kerentanan Release of Invalid Pointer or Reference pada linux kernel. Skor CVSS 3.1 7.8 (High) menurut NVD.

Deskripsi (NVD)

In the Linux kernel, the following vulnerability has been resolved: tee: optee: Fix incorrect page free bug Pointer to the allocated pages (struct page *page) has already progressed towards the end of allocation. It is incorrect to perform __free_pages(page, order) using this pointer as we would free any arbitrary pages. Fix this by stop modifying the page pointer.

Rincian

Terbit di NVD

4 Maret 2024

Terakhir diubah

4 Agustus 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-763: Release of Invalid Pointer or Reference

EPSS (30 hari)

0,24% peluang dieksploitasi; lebih tinggi dari 13,4% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://git.kernel.org/stable/c/18549bf4b21c739a9def39f27dcac53e27286ab5 patch
• https://git.kernel.org/stable/c/806142c805cacd098e61bdc0f72c778a2389fe4a patch
• https://git.kernel.org/stable/c/91e94e42f6fc49635f1a16d8ae3f79552bcfda29 patch
• https://git.kernel.org/stable/c/ad338d825e3f7b96ee542bf313728af2d19fe9ad patch