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CVE-2026-23056 uacce: implement mremap in uacce_vm_ops to return -EPERM

🗓️ 04 Feb 2026 16:07:34Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 42 Views

uacce disables mremap by returning EPERM in vm_ops to prevent double free.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/misc/uacce/uacce.c"
    ],
    "versions": [
      {
        "version": "015d239ac0142ad0e26567fd890ef8d171f13709",
        "lessThan": "78d99f062d42e3af2ca46bde1a8e46e0dfd372e3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "015d239ac0142ad0e26567fd890ef8d171f13709",
        "lessThan": "ebfa85658a39b49ec3901ceea7535b73aa0429e6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "015d239ac0142ad0e26567fd890ef8d171f13709",
        "lessThan": "75b29bdc935ff93b8e8bf6f6b4d8a4810b26e06f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "015d239ac0142ad0e26567fd890ef8d171f13709",
        "lessThan": "4c042bc71474dbe417c268f4bfb8ec196f802f07",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "015d239ac0142ad0e26567fd890ef8d171f13709",
        "lessThan": "a407ddd61b3e6afc5ccfcd1478797171cf5686ee",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "015d239ac0142ad0e26567fd890ef8d171f13709",
        "lessThan": "ba29b59d124e725e0377f09b2044909c91d657a1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "015d239ac0142ad0e26567fd890ef8d171f13709",
        "lessThan": "02695347be532b628f22488300d40c4eba48b9b7",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/misc/uacce/uacce.c"
    ],
    "versions": [
      {
        "version": "5.7",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.7",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.249",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.199",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.162",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.122",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.68",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.8",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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