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CVE-2026-98079 btrfs: zstd: fix lost wakeup when waiting for a workspace

🗓️ 25 Sep 2026 10:24:16Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 32 Views

A writer can sleep forever in btrfs zstd_get_workspace() due to a lost wakeup.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-98079
25 Sep 202610:24
–cve
debiancve
Debian CVE
CVE-2026-98079
25 Sep 202610:24
–debiancve
euvd
EUVD
EUVD-2026-86909
25 Sep 202610:24
–euvd
nvd
NVD
CVE-2026-98079
25 Sep 202611:17
–nvd
osv
OSV
AZL-104858 CVE-2026-98079 affecting package kernel 6.6.157.1-1
25 Sep 202611:17
–osv
osv
OSV
DEBIAN-CVE-2026-98079
25 Sep 202611:17
–osv
osv
OSV
UBUNTU-CVE-2026-98079
25 Sep 202600:00
–osv
ubuntucve
UbuntuCve
CVE-2026-98079
25 Sep 202600:00
–ubuntucve
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-98079
25 Sep 202600:00
–nessus
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/btrfs/zstd.c"
    ],
    "versions": [
      {
        "version": "3f93aef535c8ea03e40cd8acf0753b3e6ed33e96",
        "lessThan": "d8f57049521948df5f50797141472fbbed3b0723",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3f93aef535c8ea03e40cd8acf0753b3e6ed33e96",
        "lessThan": "0de9f31d447ae71ab08c7850a321682f8d2907c3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3f93aef535c8ea03e40cd8acf0753b3e6ed33e96",
        "lessThan": "2acb9f3d1cc8f65dc81ed55e238cbf8e5b60bff7",
        "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/btrfs/zstd.c"
    ],
    "versions": [
      {
        "version": "5.1",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.1",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.53",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.7",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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25 Sep 2026 10:24Current
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