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CVE-2026-64598 smb/client: Fix error code in smb2_aead_req_alloc()

🗓️ 06 Aug 2026 07:13:52Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 42 Views

Fix Linux kernel smb2_aead_req_alloc error handling to prevent crashes from invalid error pointers.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/smb/client/smb2ops.c"
    ],
    "versions": [
      {
        "version": "d08089f649a0cfb2099c8551ac47eef0cc23fdf2",
        "lessThan": "aa37f5fef78dd11cbf983269da2031e12625c56d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d08089f649a0cfb2099c8551ac47eef0cc23fdf2",
        "lessThan": "cad756733dc3985188983f3e2eb77e2927209099",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d08089f649a0cfb2099c8551ac47eef0cc23fdf2",
        "lessThan": "a187883cc1dc784a4d32537f5d316f1b7b9ad76f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d08089f649a0cfb2099c8551ac47eef0cc23fdf2",
        "lessThan": "a1cc432cb0b0a1f74f98a0db3b94ca880c7947ac",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d08089f649a0cfb2099c8551ac47eef0cc23fdf2",
        "lessThan": "61f28012e5650c619223decdb7970e0d3162e949",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/smb/client/smb2ops.c"
    ],
    "versions": [
      {
        "version": "6.3",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.3",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.145",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.96",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.39",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.4",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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17 Aug 2026 04:58Current
CVSS 3.18.8
EPSS0.00278
42