CVE-2026-31439 PUBLISHED

dmaengine: xilinx: xdma: Fix regmap init error handling

Assigner: Linux
Reserved: 09.03.2026 Published: 22.04.2026 Updated: 22.04.2026

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.

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from 17ce252266c7f016ece026492c45838f852ddc79 to 4b6e1da50b22e5528b9003f376a3cecccce4decc (excl.)
  • affected from 17ce252266c7f016ece026492c45838f852ddc79 to 9787b3d9b908785b40bc3f2e6d7082fdb8fdd98a (excl.)
  • affected from 17ce252266c7f016ece026492c45838f852ddc79 to f27197ccfd2ecd2c71f27fd57c6d507e892ad24d (excl.)
  • affected from 17ce252266c7f016ece026492c45838f852ddc79 to 59f6ccd0f3345be2e8a78bdef2103e93f180633a (excl.)
  • affected from 17ce252266c7f016ece026492c45838f852ddc79 to e0adbf74e2a0455a6bc9628726ba87bcd0b42bf8 (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 6.3 is affected
  • unaffected from 0 to 6.3 (excl.)
  • unaffected from 6.6.131 to 6.6.* (incl.)
  • unaffected from 6.12.80 to 6.12.* (incl.)
  • unaffected from 6.18.21 to 6.18.* (incl.)
  • unaffected from 6.19.11 to 6.19.* (incl.)
  • unaffected from 7.0 to * (incl.)

References