CVE-2021-47645

MEDIUM EPSS 14.1%
Published Feb 26, 20251y ago · Modified Jun 17, 20262w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Feb 26, 2025 1y ago
Last Modified Jun 17, 2026 2w ago

Description

In the Linux kernel, the following vulnerability has been resolved: media: staging: media: zoran: calculate the right buffer number for zoran_reap_stat_com On the case tmp_dcim=1, the index of buffer is miscalculated. This generate a NULL pointer dereference later. So let's fix the calcul and add a check to prevent this to reappear.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
14.1% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-476 NULL Pointer Dereference Memory Safety

Affected Products 4

VendorProductVersionRange
linuxlinux_kernel* <5.10.110
linuxlinux_kernel*≥5.11  –  <5.15.33
linuxlinux_kernel*≥5.16  –  <5.16.19
linuxlinux_kernel*≥5.17  –  <5.17.2

References 6

  • git.kernel.org https://git.kernel.org/stable/c/20811bbe685ca3eddd34b0c750860427d7030910
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/20db2ed1e2f9fcd417fa67853e5154f0c2537d6c
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7e76f3ed7ab2ae026c6ef9cc23096a7554af8c52
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8dce4b265a5357731058f69645840dabc718c687
  • git.kernel.org https://git.kernel.org/stable/c/bafec1a6ba4b187a7fcdcfce0faebdc623d4ef8e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e3b86f4e558cea9eed71d894df2f19b10d60a207
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/20811bbe685ca3eddd34b0c750860427d7030910
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/20db2ed1e2f9fcd417fa67853e5154f0c2537d6c
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7e76f3ed7ab2ae026c6ef9cc23096a7554af8c52
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/bafec1a6ba4b187a7fcdcfce0faebdc623d4ef8e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e3b86f4e558cea9eed71d894df2f19b10d60a207
    Patch