8.8

CVE-2026-43283: net: ethernet: ec_bhf: Fix dma_free_coherent() dma handle

Analyzed
AliasesUBUNTU-CVE-2026-43283DEBIAN-CVE-2026-43283
Published 06-05-2026Last modified 05-08-2026

Vulnerability summary

CVE-2026-43283 is a high (CVSS 8.8) vulnerability in linux. EPSS estimates a 0.12% chance of exploitation in the next 30 days, higher than 1.8% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 8.8, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.12%
0%100%
Low · -0.06 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 31 · Related 31
OPENSUSE-SU-2026:21388-1SUSE-SU-2026:22742-1SUSE-SU-2026:22769-1SUSE-SU-2026:22812-1SUSE-SU-2026:22835-1SUSE-SU-2026:4935-1

Timeline

  1. 06-05-2026
    PublishedVulnerability first disclosed.
  2. 05-08-2026
    Last modifiedVulnerability information updated.

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 metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.12%

Chance of exploitation in the next 30 days

Percentile

2%

Versus all other CVEs

30-day change

Decrease -0.06 pp

From 0.18% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu157 products
  • linuxAll versions (No fix recorded) | < 5.15.0-186.196 | < 6.8.0-134.134
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1112.119 | < 6.8.0-1060.63
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 6af55ff52b02d492d45db88df3e461fa51a6f753, < 0f589ee54fd6d76d3f75e745f7f12c64cbd749e5 | ≥ 6af55ff52b02d492d45db88df3e461fa51a6f753, < accd0599bc8e73b962247c6c6c70ca7aa1f8e8d0 | ≥ 6af55ff52b02d492d45db88df3e461fa51a6f753, < 8320727be7ff704e07c87624efc2a4a75f54b3ce | ≥ 6af55ff52b02d492d45db88df3e461fa51a6f753, < 1e300c33ef3cc544c2b9c693778fe9490cfe9184 | ≥ 6af55ff52b02d492d45db88df3e461fa51a6f753, < 1b1371cd4032ae859838ebc74215f569987bb197 | ≥ 6af55ff52b02d492d45db88df3e461fa51a6f753, < 1b1d3c5d58a80a19d017a409aa2308162bab5bbf | ≥ 6af55ff52b02d492d45db88df3e461fa51a6f753, < 7e54ff938bebb173822b4c38b33fc164c1cabf92 | ≥ 6af55ff52b02d492d45db88df3e461fa51a6f753, < ffe68c3766997d82e9ccaf1cdbd47eba269c4aa2 | 3.15
  • linux_kernel≥ 3.15.1, < 5.10.252 | ≥ 5.11, < 5.15.202 | ≥ 5.16, < 6.1.165 | ≥ 6.2, < 6.6.128 | ≥ 6.7, < 6.12.75 | ≥ 6.13, < 6.18.16 | ≥ 6.19, < 6.19.6 | 3.15 | 3.15:rc7 | 3.15:rc8
Debian1 product
  • linux< 6.1.170-1 | < 6.12.85-1 | < 6.19.6-1

3 vendors · 160 products

References

36 links
Show all 36 references