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CVE-2026-64234 tty: serial: pch_uart: add check for dma_alloc_coherent()

🗓️ 24 Jul 2026 15:27:40Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 8 Views

Kernel fix for pch_uart to check direct memory allocation and prevent NULL pointer in dma_handle_rx with proper cleanup.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-64234
24 Jul 202615:27
attackerkb
CVE
CVE-2026-64234
24 Jul 202615:27
cve
Debian CVE
CVE-2026-64234
24 Jul 202615:27
debiancve
EUVD
EUVD-2026-48643
24 Jul 202615:27
euvd
NVD
CVE-2026-64234
24 Jul 202616:16
nvd
Positive Technologies
PT-2026-64349
24 Jul 202600:00
ptsecurity
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/tty/serial/pch_uart.c"
    ],
    "versions": [
      {
        "version": "3c6a483275f47a2ef7119309ad3d791c10cf30da",
        "lessThan": "760df81763b391bb5f0dcb0b7597b736da753ae4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3c6a483275f47a2ef7119309ad3d791c10cf30da",
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        "status": "affected",
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      },
      {
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      },
      {
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        "status": "affected",
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      },
      {
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      },
      {
        "version": "3c6a483275f47a2ef7119309ad3d791c10cf30da",
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        "status": "affected",
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      {
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      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/tty/serial/pch_uart.c"
    ],
    "versions": [
      {
        "version": "2.6.38",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.38",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.259",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.210",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.176",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.143",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.93",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.35",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.12",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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