CVE-2026-53391

🗓️ 19 Jul 2026 12:01:55Reported by LinuxType

Linux kernel NFSv4 pNFS rejects zero-length r_addr in GETDEVICEINFO to prevent NULL dereference.

Reporter	Title	Published	Views	Family All 8
ATTACKERKB	CVE-2026-53391	19 Jul 202612:01	–	attackerkb
Cvelist	CVE-2026-53391 NFSv4/pNFS: reject zero-length r_addr in nfs4_decode_mp_ds_addr	19 Jul 202612:01	–	cvelist
EUVD	EUVD-2026-45513	19 Jul 202612:01	–	euvd
NVD	CVE-2026-53391	19 Jul 202612:16	–	nvd
OSV	CVE-2026-53391 NFSv4/pNFS: reject zero-length r_addr in nfs4_decode_mp_ds_addr	19 Jul 202612:01	–	osv
OSV	DEBIAN-CVE-2026-53391	19 Jul 202615:48	–	osv
Positive Technologies	PT-2026-61096	19 Jul 202600:00	–	ptsecurity
SUSE CVE	SUSE CVE-2026-53391	19 Jul 202617:36	–	susecve

Vulners

CNA

Node

linux linux_kernelRange4.0–5.15.211

linux linux_kernelRange5.16.0–6.1.177

linux linux_kernelRange6.2.0–6.6.144

linux linux_kernelRange6.7.0–6.12.95

linux linux_kernelRange6.13.0–6.18.38

linux linux_kernelRange6.19.0–7.1.3

linux linux_kernelRange7.2.0–7.2-rc1

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/nfs/pnfs_nfs.c"
    ],
    "versions": [
      {
        "version": "6b7f3cf96364eaf597940cb5c68a682894829915",
        "lessThan": "76b94cbd32aacf36a641956385a852635c6802b9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6b7f3cf96364eaf597940cb5c68a682894829915",
        "lessThan": "c8e4e0c701d0192a2efb6df059c0f9e19678c23d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6b7f3cf96364eaf597940cb5c68a682894829915",
        "lessThan": "6c344fff2feff9d4d716d8e4ad40e9b5040ee5ea",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6b7f3cf96364eaf597940cb5c68a682894829915",
        "lessThan": "427ab81a811dab4bca9d19f82eec5847ae42646e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6b7f3cf96364eaf597940cb5c68a682894829915",
        "lessThan": "012d37a568bfbb2c9686f03ade75560bc7139956",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6b7f3cf96364eaf597940cb5c68a682894829915",
        "lessThan": "30aae62e50b4e074a90a9a5e15246548fbdc1182",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6b7f3cf96364eaf597940cb5c68a682894829915",
        "lessThan": "41fe0f7b84f0cb822ae10ab08592996a592b2a25",
        "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/nfs/pnfs_nfs.c"
    ],
    "versions": [
      {
        "version": "4.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.0",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.211",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.177",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.144",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.95",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.38",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.3",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/76b94cbd32aacf36a641956385a852635c6802b9
git	www.git.kernel.org/stable/c/41fe0f7b84f0cb822ae10ab08592996a592b2a25
git	www.git.kernel.org/stable/c/012d37a568bfbb2c9686f03ade75560bc7139956
git	www.git.kernel.org/stable/c/6c344fff2feff9d4d716d8e4ad40e9b5040ee5ea
git	www.git.kernel.org/stable/c/427ab81a811dab4bca9d19f82eec5847ae42646e
git	www.git.kernel.org/stable/c/c8e4e0c701d0192a2efb6df059c0f9e19678c23d
git	www.git.kernel.org/stable/c/30aae62e50b4e074a90a9a5e15246548fbdc1182

19 Jul 2026 12:16Current

5.5Medium risk

Vulners AI Score5.5