CVE-2026-43149In 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…
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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
- 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jun 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
linux linux_kernel linux:linux_kernel | from 4.8 before 5.10.252; from 5.11 before 5.15.202; from 5.16 before 6.1.165; from 6.2 before 6.6.128; from 6.7 before 6.12.75; from 6.13 before 6.18.16; from 6.19 before 6.19.6 | NVD |
References
- https://git.kernel.org/stable/c/011ae5dd84dc9f05eb9b8e1adff44252ac776e7bpatch
- https://git.kernel.org/stable/c/0f85a9655445e67bb0238cfc983d7c383b54938epatch
- https://git.kernel.org/stable/c/36bd7d5deef936c4e1e3cd341598140e5c14c1d3patch
- https://git.kernel.org/stable/c/6496fb830cbb741d831225cc4e7e5601c6e42970patch
- https://git.kernel.org/stable/c/84b932bc9899d43e5829e6cf088b72d73a922b2bpatch
- https://git.kernel.org/stable/c/ba8d8429e5d6c36f9a654d2b96b9e043c43d92b4patch
- https://git.kernel.org/stable/c/d68994e37ac3b285692559776e0279a88a3b5f8dpatch
- https://git.kernel.org/stable/c/d8a522085d09b30aba1016daf1dddac37c0f0285patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.