Linux Kernel: Spacemit emac_tx_mem_map DMA mapping leak
CVE-2026-43462 Published on May 8, 2026
net: spacemit: Fix error handling in emac_tx_mem_map()
In the Linux kernel, the following vulnerability has been resolved:
net: spacemit: Fix error handling in emac_tx_mem_map()
The DMA mappings were leaked on mapping error. Free them with the
existing emac_free_tx_buf() function.
Products Associated with CVE-2026-43462
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Affected Versions
Linux:- Version bfec6d7f2001c7470c3cd261ae65a3ba8737f226 and below c34ebd7b24ea70be3c6fdb6936f79f593f37df60 is affected.
- Version bfec6d7f2001c7470c3cd261ae65a3ba8737f226 and below edeaba385318f60ec1b32470da4d5eb800294d16 is affected.
- Version bfec6d7f2001c7470c3cd261ae65a3ba8737f226 and below 86292155bea578ebab0ca3b65d4d87ecd8a0e9ea is affected.
- Version 6.18 is affected.
- Before 6.18 is unaffected.
- Version 6.18.19, <= 6.18.* is unaffected.
- Version 6.19.9, <= 6.19.* is unaffected.
- Version 7.0, <= * is unaffected.