What’s Vulnerable › Vulnerabilities

CVE-2025-37977: scsi: ufs: exynos: Disable iocc if dma-coherent property isn't set

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-05-20 · updated 2026-10-30

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: exynos: Disable iocc if dma-coherent property isn't set If dma-coherent property isn't set then descriptors are non-cacheable and the iocc shareability bits should be disabled. Without this UFS can end up in an incompatible configuration and suffer from random cache related stability issues.

Affected products

• Linux kernel: from 5.16 before 6.12.26; from 6.13 before 6.14.4; 6.15-rc1, 6.15-rc2 — fixed in 6.12.26, 6.14.4
• Linux: 5.16 — fixed in 6.15

How to fix

Upgrade to a fixed version: Linux kernel 6.12.26, 6.14.4; Linux 6.15. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/869749e48115ef944eeabec8e84138908471fa51
• https://git.kernel.org/stable/c/aa64b94202d4453d616873ce318e19b064dfce04
• https://git.kernel.org/stable/c/b101fc9ac18d1ac434b703839a5117342a591792
• https://git.kernel.org/stable/c/f0c6728a6f2e269ebb234a9b5bb6c2c24aafeb51
• https://git.kernel.org/stable/c/f92bb7436802f8eb7ee72dc911a33c8897fde366

Get alerted when CVE-2025-37977 or the next vulnerability affects your stack