CVE-2026-53320

🗓️ 26 Jun 2026 19:41:11Reported by LinuxType

Nilfs2 rejects zero oblocknr in block dirty marking to prevent dead block bypass.

Reporter	Title	Published	Views	Family All 6
ATTACKERKB	CVE-2026-53320	26 Jun 202619:41	–	attackerkb
Cvelist	CVE-2026-53320 nilfs2: reject zero bd_oblocknr in nilfs_ioctl_mark_blocks_dirty()	26 Jun 202619:41	–	cvelist
Debian CVE	CVE-2026-53320	26 Jun 202619:41	–	debiancve
EUVD	EUVD-2026-39855	26 Jun 202619:41	–	euvd
NVD	CVE-2026-53320	26 Jun 202620:17	–	nvd
Positive Technologies	PT-2026-52959	26 Jun 202600:00	–	ptsecurity

Vulners

CNA

Node

linux linux_kernelRange2.6.30–5.10.258

linux linux_kernelRange5.11.0–5.15.209

linux linux_kernelRange5.16.0–6.1.175

linux linux_kernelRange6.2.0–6.6.141

linux linux_kernelRange6.7.0–6.12.91

linux linux_kernelRange6.13.0–6.18.33

linux linux_kernelRange6.19.0–7.0.10

linux linux_kernelRange7.1.0≥

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/nilfs2/ioctl.c"
    ],
    "versions": [
      {
        "version": "7942b919f7321f95a777d396ff7894a7a83dc9b0",
        "lessThan": "e0a0c4903cbba351f0f5b5d104960d3a5b23202f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7942b919f7321f95a777d396ff7894a7a83dc9b0",
        "lessThan": "9472d37799a0b9ff9b99639f35961ac2f0b3c9be",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7942b919f7321f95a777d396ff7894a7a83dc9b0",
        "lessThan": "65e07964b4b2daf9a54e686cf0fa72d74a9648a8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7942b919f7321f95a777d396ff7894a7a83dc9b0",
        "lessThan": "b88f905d4449b70da6bda547be546e365e44352e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7942b919f7321f95a777d396ff7894a7a83dc9b0",
        "lessThan": "4525658002be3ad310b16bf8db48c8adb6a55d32",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7942b919f7321f95a777d396ff7894a7a83dc9b0",
        "lessThan": "e5ff0ba4b6983cdbcc826efc201e7179ece5d46f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7942b919f7321f95a777d396ff7894a7a83dc9b0",
        "lessThan": "94094e70fe292c9566502772d4d4d6d6a99204b1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7942b919f7321f95a777d396ff7894a7a83dc9b0",
        "lessThan": "be3e5d10643d3be1cbac9d9939f220a99253f980",
        "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/nilfs2/ioctl.c"
    ],
    "versions": [
      {
        "version": "2.6.30",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.30",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.258",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.209",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.175",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.141",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.91",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.33",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.10",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/e5ff0ba4b6983cdbcc826efc201e7179ece5d46f
git	www.git.kernel.org/stable/c/9472d37799a0b9ff9b99639f35961ac2f0b3c9be
git	www.git.kernel.org/stable/c/65e07964b4b2daf9a54e686cf0fa72d74a9648a8
git	www.git.kernel.org/stable/c/4525658002be3ad310b16bf8db48c8adb6a55d32
git	www.git.kernel.org/stable/c/be3e5d10643d3be1cbac9d9939f220a99253f980
git	www.git.kernel.org/stable/c/e0a0c4903cbba351f0f5b5d104960d3a5b23202f
git	www.git.kernel.org/stable/c/b88f905d4449b70da6bda547be546e365e44352e
git	www.git.kernel.org/stable/c/94094e70fe292c9566502772d4d4d6d6a99204b1

26 Jun 2026 20:17Current

5.8Medium risk

Vulners AI Score5.8