CVE-2026-64234
tty: serial: pch_uart: add check for dma_alloc_coherent()
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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: tty: serial: pch_uart: add check for dma_alloc_coherent() Add a check for dma_alloc_coherent() failure to prevent a potential NULL pointer dereference in dma_handle_rx(). Properly release DMA channels and the PCI device reference using a goto ladder if the allocation fails.
Timeline
- CVE published
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
2.6.38
References 8
git.kernel.org
- stable/c/760df81763b391bb5f0dcb0b7597b736da753ae4
- stable/c/5f2e2a240dc1846e049bc67e9c3cdf5b031d08bf
- stable/c/daea997bb244aeb50cbb2e5e075fb446a6cf068f
- stable/c/6dd5c0ea139b586ad5a091677056dafd405cfe82
- stable/c/d846df2dfbc2469a688833b4cc4f8aa80672bde8
- stable/c/66f8bfea055b23719b4fd6ce207c44de37d82a59
- stable/c/d8d53a343ebe74274ca17b1e1993042e99f8c863
- stable/c/6fe472c1bbbe238e91141f7cabc1226e96a60d43