CVE-2025-21998

Katalog CVE

CVSS 4.7 · Medium EPSS 0,14%

Kerentanan Time-of-check Time-of-use (TOCTOU) Race Condition pada linux kernel. Skor CVSS 3.1 4.7 (Medium) menurut NVD.

Deskripsi (NVD)

In the Linux kernel, the following vulnerability has been resolved: firmware: qcom: uefisecapp: fix efivars registration race Since the conversion to using the TZ allocator, the efivars service is registered before the memory pool has been allocated, something which can lead to a NULL-pointer dereference in case of a racing EFI variable access. Make sure that all resources have been set up before registering the efivars.

Rincian

Terbit di NVD

3 April 2025

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition
CWE-476: NULL Pointer Dereference

EPSS (30 hari)

0,14% peluang dieksploitasi; lebih tinggi dari 2,8% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://git.kernel.org/stable/c/c4e37b381a7a243c298a4858fc0a5a74e737c79a patch
• https://git.kernel.org/stable/c/da8d493a80993972c427002684d0742560f3be4a patch
• https://git.kernel.org/stable/c/f15a2b96a0e41c426c63a932d0e63cde7b9784aa patch