CVE-2026-80808

🗓️ 04 Sep 2026 15:13:28Reported by LinuxType

ext4 infinite retry loop on corrupted xattr cache entries causing hung task in Linux kernel

Reporter	Title	Published	Views	Family All 6
Cvelist	CVE-2026-80808 ext4: stop retrying saturated xattr cache entries	4 Sep 202615:13	–	cvelist
Debian CVE	CVE-2026-80808	4 Sep 202615:13	–	debiancve
EUVD	EUVD-2026-71243	4 Sep 202615:13	–	euvd
NVD	CVE-2026-80808	4 Sep 202616:18	–	nvd
OSV	DEBIAN-CVE-2026-80808	4 Sep 202616:18	–	osv
Positive Technologies	PT-2026-85649	4 Sep 202600:00	–	ptsecurity

Vulners

CNA

Node

linux linux_kernelRange5.10.163–5.10.267

linux linux_kernelRange5.15.61–5.15.218

linux linux_kernelRange4.19.270–4.20

linux linux_kernelRange5.4.229–5.5

linux linux_kernelRange5.18.18–5.19

linux linux_kernelRange5.19.2–5.20

linux linux_kernelRange6.0–5.10.267

linux linux_kernelRange5.11.0–5.15.218

linux linux_kernelRange5.16.0–6.1.185

linux linux_kernelRange6.2.0–6.6.154

linux linux_kernelRange6.7.0–6.12.106

linux linux_kernelRange6.13.0–6.18.47

linux linux_kernelRange6.19.0–7.1.11

linux linux_kernelRange7.2.0–7.2.1

linux linux_kernelRange7.3.0–7.3-rc1

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/ext4/xattr.c"
    ],
    "versions": [
      {
        "version": "1a56cd972ce121b6cf2517a47a578782bbd2ec95",
        "lessThan": "119a2f053242ed75bdd2ebc95baf3ae7db6ccacf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1be97463696c7291a3e1547614e96432b0bd3add",
        "lessThan": "61631352a5b405c89be579de00903b72e6888aa4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "65f8b80053a1b2fd602daa6814e62d6fa90e5e9b",
        "lessThan": "8865cd664484517703df5c18a965dc3227572b87",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "65f8b80053a1b2fd602daa6814e62d6fa90e5e9b",
        "lessThan": "a40c45268f4358207aa9c53764fed2e05f62986a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "65f8b80053a1b2fd602daa6814e62d6fa90e5e9b",
        "lessThan": "889ec86464d261f026f6c334040cfc6c58c99d58",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "65f8b80053a1b2fd602daa6814e62d6fa90e5e9b",
        "lessThan": "4902a5cba21aeaf91e6b29e20e0967a5f6abdcd9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "65f8b80053a1b2fd602daa6814e62d6fa90e5e9b",
        "lessThan": "55ee6533c1db7f7656fa8dd19637f3f8b8c08dc5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "65f8b80053a1b2fd602daa6814e62d6fa90e5e9b",
        "lessThan": "dbd4aea175ad3c46436acb251e817b4374628072",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "65f8b80053a1b2fd602daa6814e62d6fa90e5e9b",
        "lessThan": "54b6bd40898de7906acb2bccc9a96d1b8e6b4323",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "98953044b3cdb2cb7d82e7365b659e2ed4f4ca4d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "af8ecc8d20e72130771cc076bce7fcf17ccda6c4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c6fac5cf5a5098732623bcd00a8a3eb9f5465144",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "96fa141fa295ae9428da73c56c9852053b575c04",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5.10.163",
        "lessThan": "5.10.267",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.15.61",
        "lessThan": "5.15.218",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "4.19.270",
        "lessThan": "4.20",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.4.229",
        "lessThan": "5.5",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.18.18",
        "lessThan": "5.19",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.19.2",
        "lessThan": "5.20",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/ext4/xattr.c"
    ],
    "versions": [
      {
        "version": "6.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.0",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.267",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.218",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.185",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.154",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.106",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.47",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.11",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.1",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/dbd4aea175ad3c46436acb251e817b4374628072
git	www.git.kernel.org/stable/c/54b6bd40898de7906acb2bccc9a96d1b8e6b4323
git	www.git.kernel.org/stable/c/61631352a5b405c89be579de00903b72e6888aa4
git	www.git.kernel.org/stable/c/55ee6533c1db7f7656fa8dd19637f3f8b8c08dc5
git	www.git.kernel.org/stable/c/119a2f053242ed75bdd2ebc95baf3ae7db6ccacf
git	www.git.kernel.org/stable/c/889ec86464d261f026f6c334040cfc6c58c99d58
git	www.git.kernel.org/stable/c/a40c45268f4358207aa9c53764fed2e05f62986a
git	www.git.kernel.org/stable/c/4902a5cba21aeaf91e6b29e20e0967a5f6abdcd9
git	www.git.kernel.org/stable/c/8865cd664484517703df5c18a965dc3227572b87

04 Sep 2026 16:18Current