What’s Vulnerable › Vulnerabilities

CVE-2026-31439: dmaengine: xilinx: xdma: Fix regmap init error handling

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-22 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: dmaengine: xilinx: xdma: Fix regmap init error handling devm_regmap_init_mmio returns an ERR_PTR() upon error, not NULL. Fix the error check and also fix the error message. Use the error code from ERR_PTR() instead of the wrong value in ret.

Affected products

• Linux kernel: from 6.3 before 6.6.131; from 6.7 before 6.12.80; from 6.13 before 6.18.21; from 6.19 before 6.19.11; 7.0-rc1, 7.0-rc2, 7.0-rc3, 7.0-rc4, 7.0-rc5, 7.0-rc6 — fixed in 6.12.80, 6.18.21, 6.19.11, 6.6.131

How to fix

Upgrade to a fixed version: Linux kernel 6.12.80, 6.18.21, 6.19.11, 6.6.131. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/4b6e1da50b22e5528b9003f376a3cecccce4decc
• https://git.kernel.org/stable/c/59f6ccd0f3345be2e8a78bdef2103e93f180633a
• https://git.kernel.org/stable/c/9787b3d9b908785b40bc3f2e6d7082fdb8fdd98a
• https://git.kernel.org/stable/c/e0adbf74e2a0455a6bc9628726ba87bcd0b42bf8
• https://git.kernel.org/stable/c/f27197ccfd2ecd2c71f27fd57c6d507e892ad24d

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