CVE-2021-46943

Katalog CVE

CVSS 7.8 · High EPSS 0,23%

Kerentanan Incorrect Calculation of Buffer Size pada linux kernel. Skor CVSS 3.1 7.8 (High) menurut NVD.

Deskripsi (NVD)

In the Linux kernel, the following vulnerability has been resolved: media: staging/intel-ipu3: Fix set_fmt error handling If there in an error during a set_fmt, do not overwrite the previous sizes with the invalid config. Without this patch, v4l2-compliance ends up allocating 4GiB of RAM and causing the following OOPs [ 38.662975] ipu3-imgu 0000:00:05.0: swiotlb buffer is full (sz: 4096 bytes) [ 38.662980] DMA: Out of SW-IOMMU space for 4096 bytes at device 0000:00:05.0 [ 38.663010] general protection fault: 0000 [#1] PREEMPT SMP

Rincian

Terbit di NVD

27 Februari 2024

Terakhir diubah

17 Juni 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-131: Incorrect Calculation of Buffer Size

EPSS (30 hari)

0,23% peluang dieksploitasi; lebih tinggi dari 13,2% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://git.kernel.org/stable/c/34892ea938387d83ffcfb7775ec55f0f80767916 patch
• https://git.kernel.org/stable/c/6fb617e37a39db0a3eca4489431359d0bdf3b9bc patch
• https://git.kernel.org/stable/c/a03fb1e8a110658215a4cefc3e2ad53279e496a6 patch
• https://git.kernel.org/stable/c/ad91849996f9dd79741a961fd03585a683b08356 patch
• https://git.kernel.org/stable/c/c6b81b897f6f9445d57f8d47c4e060ec21556137 patch