High severity · published May 6, 2026
CVE-2026-43283
net: ethernet: ec_bhf: Fix dma_free_coherent() dma handle
8.8
CVSS
0.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 2% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
3.15.1 before 5.10.252; 5.11 before 5.15.202; 5.16 before 6.1.165; 6.2 before 6.6.128; 6.7 before 6.12.75; 6.13 before 6.18.16; +4 more · source: NVD
LI
Linux · Linux
6af55ff52b02d492d45db88df3e461fa51a6f753 before 0f589ee54fd6d76d3f75e745f7f12c64cbd749e5; 6af55ff52b02d492d45db88df3e461fa51a6f753 before accd0599bc8e73b962247c6c6c70ca7aa1f8e8d0; 6af55ff52b02d492d45db88df3e461fa51a6f753 before 8320727be7ff704e07c87624efc2a4a75f54b3ce; 6af55ff52b02d492d45db88df3e461fa51a6f753 before 1e300c33ef3cc544c2b9c693778fe9490cfe9184; 6af55ff52b02d492d45db88df3e461fa51a6f753 before 1b1371cd4032ae859838ebc74215f569987bb197; 6af55ff52b02d492d45db88df3e461fa51a6f753 before 1b1d3c5d58a80a19d017a409aa2308162bab5bbf; +3 more · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-43283
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-43283
Patch
https://git.kernel.org/stable/c/0f589ee54fd6d76d3f75e745f7f12c64cbd749e5
Patch
https://git.kernel.org/stable/c/1b1371cd4032ae859838ebc74215f569987bb197
Patch
https://git.kernel.org/stable/c/1b1d3c5d58a80a19d017a409aa2308162bab5bbf
Patch
https://git.kernel.org/stable/c/1e300c33ef3cc544c2b9c693778fe9490cfe9184
Patch
https://git.kernel.org/stable/c/7e54ff938bebb173822b4c38b33fc164c1cabf92
Patch
https://git.kernel.org/stable/c/8320727be7ff704e07c87624efc2a4a75f54b3ce
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