CVE-2025-21793

MEDIUM EPSS 10.1%
Published Feb 27, 20251y ago · Modified Jun 17, 20262w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Feb 27, 2025 1y ago
Last Modified Jun 17, 2026 2w ago

Description

In the Linux kernel, the following vulnerability has been resolved: spi: sn-f-ospi: Fix division by zero When there is no dummy cycle in the spi-nor commands, both dummy bus cycle bytes and width are zero. Because of the cpu's warning when divided by zero, the warning should be avoided. Return just zero to avoid such calculations.

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
10.1% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-369

Affected Products 5

VendorProductVersionRange
linuxlinux_kernel*≥6.2  –  <6.6.79
linuxlinux_kernel*≥6.7  –  <6.12.16
linuxlinux_kernel*≥6.13  –  <6.13.4
linuxlinux_kernel6.14any
linuxlinux_kernel6.14any

References 4

  • git.kernel.org https://git.kernel.org/stable/c/3588b1c0fde2f58d166e3f94a5a58d64b893526c
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/4df6f005bef04a3dd16c028124a1b5684db3922b
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7434135553bc03809a55803ee6a8dcaae6240d55
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/966328191b4c389c0f2159fa242915f51cbc1679
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/3588b1c0fde2f58d166e3f94a5a58d64b893526c
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/4df6f005bef04a3dd16c028124a1b5684db3922b
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7434135553bc03809a55803ee6a8dcaae6240d55
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/966328191b4c389c0f2159fa242915f51cbc1679
    Patch