CVE-2026-43149
net: wan/fsl_ucc_hdlc: Fix dma_free_coherent() in uhdlc_memclean()
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
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.
Timeline
- CVE published
- Record last updated
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
4.8
References 8
git.kernel.org
- stable/c/6496fb830cbb741d831225cc4e7e5601c6e42970
- stable/c/ba8d8429e5d6c36f9a654d2b96b9e043c43d92b4
- stable/c/011ae5dd84dc9f05eb9b8e1adff44252ac776e7b
- stable/c/0f85a9655445e67bb0238cfc983d7c383b54938e
- stable/c/84b932bc9899d43e5829e6cf088b72d73a922b2b
- stable/c/d8a522085d09b30aba1016daf1dddac37c0f0285
- stable/c/d68994e37ac3b285692559776e0279a88a3b5f8d
- stable/c/36bd7d5deef936c4e1e3cd341598140e5c14c1d3