CVEvulnerability

CVE-2021-47485

7.8 HIGH Published 2024-05-22 Modified 2026-08-04 Official page ↗
Status
Modified
Published
2024-05-22
Last modified
2026-08-04
Assigner
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS 3.1 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 ([email protected])
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-120

Description

In the Linux kernel, the following vulnerability has been resolved: IB/qib: Protect from buffer overflow in struct qib_user_sdma_pkt fields Overflowing either addrlimit or bytes_togo can allow userspace to trigger a buffer overflow of kernel memory. Check for overflows in all the places doing math on user controlled buffers.

Affected configurations

• linux linux kernel (>= 2.6.35 < 4.4.292) • linux linux kernel (>= 4.5 < 4.9.290) • linux linux kernel (>= 4.10 < 4.14.255) • linux linux kernel (>= 4.15 < 4.19.216) • linux linux kernel (>= 4.20 < 5.4.157) • linux linux kernel (>= 5.5 < 5.10.77) • linux linux kernel (>= 5.11 < 5.14.16) • linux linux kernel 5.15

Related

Weakness · CWE (1)

  • CWE-120 Buffer Copy without Checking Size of Input weakness

References