CVE-2026-43149

MEDIUM EPSS 2.8%
Published May 6, 20261mo ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published May 6, 2026 1mo ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: net: wan/fsl_ucc_hdlc: Fix dma_free_coherent() in uhdlc_memclean() The priv->rx_buffer and priv->tx_buffer are alloc'd together as contiguous buffers in uhdlc_init() but freed as two buffers in uhdlc_memclean(). Change the cleanup to only call dma_free_coherent() once on the whole buffer.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
2.8% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 7

VendorProductVersionRange
linuxlinux_kernel*≥4.8  –  <5.10.252
linuxlinux_kernel*≥5.11  –  <5.15.202
linuxlinux_kernel*≥5.16  –  <6.1.165
linuxlinux_kernel*≥6.2  –  <6.6.128
linuxlinux_kernel*≥6.7  –  <6.12.75
linuxlinux_kernel*≥6.13  –  <6.18.16
linuxlinux_kernel*≥6.19  –  <6.19.6

References 8

  • git.kernel.org https://git.kernel.org/stable/c/011ae5dd84dc9f05eb9b8e1adff44252ac776e7b
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/0f85a9655445e67bb0238cfc983d7c383b54938e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/36bd7d5deef936c4e1e3cd341598140e5c14c1d3
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/6496fb830cbb741d831225cc4e7e5601c6e42970
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/84b932bc9899d43e5829e6cf088b72d73a922b2b
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ba8d8429e5d6c36f9a654d2b96b9e043c43d92b4
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d68994e37ac3b285692559776e0279a88a3b5f8d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d8a522085d09b30aba1016daf1dddac37c0f0285
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/011ae5dd84dc9f05eb9b8e1adff44252ac776e7b
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/0f85a9655445e67bb0238cfc983d7c383b54938e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/36bd7d5deef936c4e1e3cd341598140e5c14c1d3
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/6496fb830cbb741d831225cc4e7e5601c6e42970
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/84b932bc9899d43e5829e6cf088b72d73a922b2b
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ba8d8429e5d6c36f9a654d2b96b9e043c43d92b4
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d68994e37ac3b285692559776e0279a88a3b5f8d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d8a522085d09b30aba1016daf1dddac37c0f0285
    Patch