CVE-2026-43283
Published: May 9, 2026Last modified: May 9, 2026
Description
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 8.8 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | CHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.167-r0) |
| 25 LTS | linux-lts | Fixed (6.12.80-r0) | |
| Stream | linux-lts | Fixed (6.12.76-r0) |
References
- https://git.kernel.org/stable/c/0f589ee54fd6d76d3f75e745f7f12c64cbd749e5
- https://git.kernel.org/stable/c/1b1371cd4032ae859838ebc74215f569987bb197
- https://git.kernel.org/stable/c/1b1d3c5d58a80a19d017a409aa2308162bab5bbf
- https://git.kernel.org/stable/c/1e300c33ef3cc544c2b9c693778fe9490cfe9184
- https://git.kernel.org/stable/c/7e54ff938bebb173822b4c38b33fc164c1cabf92
- https://git.kernel.org/stable/c/8320727be7ff704e07c87624efc2a4a75f54b3ce
- https://git.kernel.org/stable/c/accd0599bc8e73b962247c6c6c70ca7aa1f8e8d0
- https://git.kernel.org/stable/c/ffe68c3766997d82e9ccaf1cdbd47eba269c4aa2