CVE-2026-43283

EUVD-2026-27678
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 6%
Affected Products (NVD)
VendorProductVersion
linuxlinux_kernel
3.15.1 ≤
𝑥
< 5.10.252
linuxlinux_kernel
5.11 ≤
𝑥
< 5.15.202
linuxlinux_kernel
5.16 ≤
𝑥
< 6.1.165
linuxlinux_kernel
6.2 ≤
𝑥
< 6.6.128
linuxlinux_kernel
6.7 ≤
𝑥
< 6.12.75
linuxlinux_kernel
6.13 ≤
𝑥
< 6.18.16
linuxlinux_kernel
6.19 ≤
𝑥
< 6.19.6
linuxlinux_kernel
3.15
linuxlinux_kernel
3.15:rc7
linuxlinux_kernel
3.15:rc8
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bookworm
vulnerable
bookworm (security)
6.1.170-1
fixed
bullseye
vulnerable
bullseye (security)
vulnerable
forky
6.19.14-1
fixed
sid
7.0.4-1
fixed
trixie
vulnerable
trixie (security)
6.12.86-1
fixed
Vulnerability Media Exposure
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