CVE-2026-45892 ext4: drop extent cache after doing PARTIAL_VALID1 zeroout

🗓️ 27 May 2026 12:17:03Reported by LinuxType

ext4 drops extent cache after PARTIAL_VALID1 zeroout to prevent stale unwritten extents.

Reporter	Title	Published	Views	Family All 20
ATTACKERKB	CVE-2026-45892	27 May 202612:17	–	attackerkb
Tenable Nessus	Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2026-1681)	9 May 202600:00	–	nessus
Tenable Nessus	Linux Distros Unpatched Vulnerability : CVE-2026-45892	27 May 202600:00	–	nessus
CBLMariner	CVE-2026-45892 affecting package kernel for versions less than 6.6.139.1-1	20 May 202600:24	–	cbl_mariner
CNNVD	Linux kernel 安全漏洞	27 May 202600:00	–	cnnvd
CVE	CVE-2026-45892	27 May 202612:17	–	cve
Debian CVE	CVE-2026-45892	27 May 202612:17	–	debiancve
EUVD	EUVD-2026-32358	27 May 202615:33	–	euvd
NVD	CVE-2026-45892	27 May 202614:17	–	nvd
OSV	BELL-CVE-2026-45892	29 May 202606:09	–	osv

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/ext4/extents.c"
    ],
    "versions": [
      {
        "version": "ddf854e59166533b0f46ba32cd6cd9aca3197d1b",
        "lessThan": "28db4bfc6f82fd20e2aadb7fc162244109a4eb31",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "58ddae5d77b1db3a27b891c75a8fa120239ac092",
        "lessThan": "f0931a5c17005a0c4fc35bd1a001245effc3354b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d17857b4fb9ba5745b59be0ef38fd532991fccbf",
        "lessThan": "d8ee559fccdef713f058cfe5f2c03dc9b18be3b1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d67c8ecf3d8fda9b8ef80e6f665d84b6d6ac9d88",
        "lessThan": "c2ee51d684adca7645e4aa74adca13f6750390bc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7015fcf473796e1d2d876f241bd9e0c36f3d4eef",
        "lessThan": "a1b962a821e7a52d48212ae269b45808b4411267",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1bf6974822d1dba86cf11b5f05498581cf3488a2",
        "lessThan": "6d882ea3b0931b43530d44149b79fcd4ffc13030",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/ext4/extents.c"
    ],
    "versions": [
      {
        "version": "6.1.167",
        "lessThan": "6.1.168",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/6d882ea3b0931b43530d44149b79fcd4ffc13030
git	www.git.kernel.org/stable/c/28db4bfc6f82fd20e2aadb7fc162244109a4eb31
git	www.git.kernel.org/stable/c/f0931a5c17005a0c4fc35bd1a001245effc3354b
git	www.git.kernel.org/stable/c/a1b962a821e7a52d48212ae269b45808b4411267
git	www.git.kernel.org/stable/c/c2ee51d684adca7645e4aa74adca13f6750390bc
git	www.git.kernel.org/stable/c/d8ee559fccdef713f058cfe5f2c03dc9b18be3b1

30 May 2026 10:41Current

EPSS0.00205