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CVE-2026-64234

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:8d9e1f5dfdd00529839ca2c8b65caf2f1d25c28e3428aa9ba3c43cfcca6ae512
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/tty/serial/pch_uart.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.38"},{"lessThan":"2.6.38","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.259","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.210","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.176","versionType":"semver…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ad66c71a3dce5c602a2564ccf73538b34a610dd52adb2c23b7b6b34c815c468c · sha256:acfa53056381ef4a… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/tty/serial/pch_uart.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"760df81763b391bb5f0dcb0b7597b736da753ae4","status":"affected","version":"3c6a483275f47a2ef7119309ad3d791c10cf30da","versionType":"git"},{"lessThan":"5f2e2a240dc1846e049bc67e9c3cdf5b031d08bf","status":"affected","version":"3c6a483275f47a2ef7119309ad3d791c10cf30da","versionType":"git"},{"lessThan":"daea997bb244aeb50cbb2e5e075fb446a6cf068f","status":"affected","version":"3c6a483275f47a2e…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ad66c71a3dce5c602a2564ccf73538b34a610dd52adb2c23b7b6b34c815c468c · sha256:acfa53056381ef4a… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/tty/serial/pch_uart.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.38"},{"lessThan":"2.6.38","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.259","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.210","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.176","versionType":"semver…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ad66c71a3dce5c602a2564ccf73538b34a610dd52adb2c23b7b6b34c815c468c · sha256:acfa53056381ef4a… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/tty/serial/pch_uart.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"760df81763b391bb5f0dcb0b7597b736da753ae4","status":"affected","version":"3c6a483275f47a2ef7119309ad3d791c10cf30da","versionType":"git"},{"lessThan":"5f2e2a240dc1846e049bc67e9c3cdf5b031d08bf","status":"affected","version":"3c6a483275f47a2ef7119309ad3d791c10cf30da","versionType":"git"},{"lessThan":"daea997bb244aeb50cbb2e5e075fb446a6cf068f","status":"affected","version":"3c6a483275f47a2e…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ad66c71a3dce5c602a2564ccf73538b34a610dd52adb2c23b7b6b34c815c468c · sha256:acfa53056381ef4a… · /containers/cna/affected/0

Source references

8 source assertions
{"url":"https://git.kernel.org/stable/c/5f2e2a240dc1846e049bc67e9c3cdf5b031d08bf"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ad66c71a3dce5c602a2564ccf73538b34a610dd52adb2c23b7b6b34c815c468c · sha256:acfa53056381ef4a… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/66f8bfea055b23719b4fd6ce207c44de37d82a59"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ad66c71a3dce5c602a2564ccf73538b34a610dd52adb2c23b7b6b34c815c468c · sha256:acfa53056381ef4a… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/6dd5c0ea139b586ad5a091677056dafd405cfe82"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ad66c71a3dce5c602a2564ccf73538b34a610dd52adb2c23b7b6b34c815c468c · sha256:acfa53056381ef4a… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/6fe472c1bbbe238e91141f7cabc1226e96a60d43"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ad66c71a3dce5c602a2564ccf73538b34a610dd52adb2c23b7b6b34c815c468c · sha256:acfa53056381ef4a… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/760df81763b391bb5f0dcb0b7597b736da753ae4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ad66c71a3dce5c602a2564ccf73538b34a610dd52adb2c23b7b6b34c815c468c · sha256:acfa53056381ef4a… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/d846df2dfbc2469a688833b4cc4f8aa80672bde8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ad66c71a3dce5c602a2564ccf73538b34a610dd52adb2c23b7b6b34c815c468c · sha256:acfa53056381ef4a… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/d8d53a343ebe74274ca17b1e1993042e99f8c863"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ad66c71a3dce5c602a2564ccf73538b34a610dd52adb2c23b7b6b34c815c468c · sha256:acfa53056381ef4a… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/daea997bb244aeb50cbb2e5e075fb446a6cf068f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ad66c71a3dce5c602a2564ccf73538b34a610dd52adb2c23b7b6b34c815c468c · sha256:acfa53056381ef4a… · /containers/cna/references/2

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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