CVE-2026-43283

Summary

In the Linux kernel, the following vulnerability has been resolved:

net: ethernet: ec_bhf: Fix dma_free_coherent() dma handle

dma_free_coherent() in error path takes priv->rx_buf.alloc_len as the dma handle. This would lead to improper unmapping of the buffer.

Change the dma handle to priv->rx_buf.alloc_phys.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux6af55ff52b02d492d45db88df3e461fa51a6f753 < 0f589ee54fd6d76d3f75e745f7f12c64cbd749e5affected
LinuxLinux6af55ff52b02d492d45db88df3e461fa51a6f753 < accd0599bc8e73b962247c6c6c70ca7aa1f8e8d0affected
LinuxLinux6af55ff52b02d492d45db88df3e461fa51a6f753 < 8320727be7ff704e07c87624efc2a4a75f54b3ceaffected
LinuxLinux6af55ff52b02d492d45db88df3e461fa51a6f753 < 1e300c33ef3cc544c2b9c693778fe9490cfe9184affected
LinuxLinux6af55ff52b02d492d45db88df3e461fa51a6f753 < 1b1371cd4032ae859838ebc74215f569987bb197affected
LinuxLinux6af55ff52b02d492d45db88df3e461fa51a6f753 < 1b1d3c5d58a80a19d017a409aa2308162bab5bbfaffected
LinuxLinux6af55ff52b02d492d45db88df3e461fa51a6f753 < 7e54ff938bebb173822b4c38b33fc164c1cabf92affected
LinuxLinux6af55ff52b02d492d45db88df3e461fa51a6f753 < ffe68c3766997d82e9ccaf1cdbd47eba269c4aa2affected
LinuxLinux3.15affected
LinuxLinux0 < 3.15unaffected
LinuxLinux5.10.252 <= 5.10.*unaffected
LinuxLinux5.15.202 <= 5.15.*unaffected
LinuxLinux6.1.165 <= 6.1.*unaffected
LinuxLinux6.6.128 <= 6.6.*unaffected
LinuxLinux6.12.75 <= 6.12.*unaffected
LinuxLinux6.18.16 <= 6.18.*unaffected
LinuxLinux6.19.6 <= 6.19.*unaffected
LinuxLinux7.0 <= *unaffected

Weaknesses

References