CVE-2026-31439
Published Apr 22, 2026
Modified Apr 23, 2026
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.
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EPSS — Exploit Prediction
0.0001
Probability of exploitation
0.02%
Percentile rank
EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.
References
Other 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
Frequently Asked Questions
What is CVE-2026-31439? +
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.
How do I check if I'm vulnerable to CVE-2026-31439? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.