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CVE-2026-63875 arm64: tlb: Flush walk cache when unsharing PMD tables

🗓️ 19 Jul 2026 14:54:48Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 38 Views

CVE-2026-63875 arm64 tlb unsharing PMD tables now invalidates the walk cache.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/arm64/include/asm/tlb.h"
    ],
    "versions": [
      {
        "version": "6495204f8219a57859669d618b25d06176d5a872",
        "lessThan": "dced308d7d6a0de1c09d2058f38f1aaaf5cbb914",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ce4cf24761467756462c0e1dbe4a5e9c9eb520fc",
        "lessThan": "47490bbb05c8c0e09cc3cfd237d8934ffc340583",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "daa6707b71a2da23a82979fa21f788aeb706f1a2",
        "lessThan": "0199c9d57861f17b556b6cba1f765c7cce79745b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ff37dd18ce7739a26aab0cc2d31006a45e6bde63",
        "lessThan": "d766a49d9b55705c4737cd8bb5d3faa2d31330fd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "da06bb0ca45b1ca6f1ab55023e34e61a520337f3",
        "lessThan": "8ca7284da0e67b3e71d90ec17f08286774245ad9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9b671f6f432be07c0ddd66e437d6d0e0db684f83",
        "lessThan": "fe93e907b1af03cc229a80aa64a570a103d2b279",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8ce720d5bd91e9dc16db3604aa4b1bf76770a9a1",
        "lessThan": "48125cd9c55cbe297b59fd1f9bda48b0960bd181",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8ce720d5bd91e9dc16db3604aa4b1bf76770a9a1",
        "lessThan": "c2ff4764e03e7a8d758352f4aceb8fe1be6ac971",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5.10.253",
        "lessThan": "5.10.259",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.15.203",
        "lessThan": "5.15.210",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.1.167",
        "lessThan": "6.1.176",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.6.127",
        "lessThan": "6.6.143",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.12.74",
        "lessThan": "6.12.93",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.18.13",
        "lessThan": "6.18.35",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/arm64/include/asm/tlb.h"
    ],
    "versions": [
      {
        "version": "6.19",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.19",
        "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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05 Aug 2026 12:36Current
CVSS 3.17.8
EPSS0.00164
38