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Vulnerability Details :

CVE-2026-64519

Summary
Assigner-Linux
Assigner Org ID-416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published At-25 Jul, 2026 | 09:14
Updated At-25 Jul, 2026 | 09:14
Rejected At-
Credits

NFSD: Fix infinite loop in layout state revocation

In the Linux kernel, the following vulnerability has been resolved: NFSD: Fix infinite loop in layout state revocation find_one_sb_stid() skips stids whose sc_status is non-zero, but the SC_TYPE_LAYOUT case in nfsd4_revoke_states() never sets sc_status before calling nfsd4_close_layout(). The retry loop therefore finds the same layout stid on every iteration, hanging the revoker indefinitely.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:Linux
Assigner Org ID:416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published At:25 Jul, 2026 | 09:14
Updated At:25 Jul, 2026 | 09:14
Rejected At:
▼CVE Numbering Authority (CNA)
NFSD: Fix infinite loop in layout state revocation

In the Linux kernel, the following vulnerability has been resolved: NFSD: Fix infinite loop in layout state revocation find_one_sb_stid() skips stids whose sc_status is non-zero, but the SC_TYPE_LAYOUT case in nfsd4_revoke_states() never sets sc_status before calling nfsd4_close_layout(). The retry loop therefore finds the same layout stid on every iteration, hanging the revoker indefinitely.

Affected Products
Vendor
Linux Kernel Organization, IncLinux
Product
Linux
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Program Files
  • fs/nfsd/nfs4state.c
Default Status
unaffected
Versions
Affected
  • From 1e33e1414bec54a4feafa9e67e2617031be0afe2 before d1fc00ec02e9deb3f8d2bd59caf938c554fbc576 (git)
  • From 1e33e1414bec54a4feafa9e67e2617031be0afe2 before fe59ae27d7346245f5d8d97220f374e63efd28b5 (git)
  • From 1e33e1414bec54a4feafa9e67e2617031be0afe2 before 44e5e4eb3a07bf3e1d931dd9f96f3edcfa376605 (git)
  • From 1e33e1414bec54a4feafa9e67e2617031be0afe2 before 4f8ef58c10bfe5f86a643c7c8331b37e69e3dae1 (git)
Vendor
Linux Kernel Organization, IncLinux
Product
Linux
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Program Files
  • fs/nfsd/nfs4state.c
Default Status
affected
Versions
Affected
  • 6.9
Unaffected
  • From 0 before 6.9 (semver)
  • From 6.12.92 through 6.12.* (semver)
  • From 6.18.34 through 6.18.* (semver)
  • From 7.0.11 through 7.0.* (semver)
  • From 7.1 through * (original_commit_for_fix)
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://git.kernel.org/stable/c/d1fc00ec02e9deb3f8d2bd59caf938c554fbc576
N/A
https://git.kernel.org/stable/c/fe59ae27d7346245f5d8d97220f374e63efd28b5
N/A
https://git.kernel.org/stable/c/44e5e4eb3a07bf3e1d931dd9f96f3edcfa376605
N/A
https://git.kernel.org/stable/c/4f8ef58c10bfe5f86a643c7c8331b37e69e3dae1
N/A
Hyperlink: https://git.kernel.org/stable/c/d1fc00ec02e9deb3f8d2bd59caf938c554fbc576
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/fe59ae27d7346245f5d8d97220f374e63efd28b5
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/44e5e4eb3a07bf3e1d931dd9f96f3edcfa376605
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/4f8ef58c10bfe5f86a643c7c8331b37e69e3dae1
Resource: N/A
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published At:25 Jul, 2026 | 10:17
Updated At:25 Jul, 2026 | 10:17

In the Linux kernel, the following vulnerability has been resolved: NFSD: Fix infinite loop in layout state revocation find_one_sb_stid() skips stids whose sc_status is non-zero, but the SC_TYPE_LAYOUT case in nfsd4_revoke_states() never sets sc_status before calling nfsd4_close_layout(). The retry loop therefore finds the same layout stid on every iteration, hanging the revoker indefinitely.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
CPE Matches
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://git.kernel.org/stable/c/44e5e4eb3a07bf3e1d931dd9f96f3edcfa376605416baaa9-dc9f-4396-8d5f-8c081fb06d67
N/A
https://git.kernel.org/stable/c/4f8ef58c10bfe5f86a643c7c8331b37e69e3dae1416baaa9-dc9f-4396-8d5f-8c081fb06d67
N/A
https://git.kernel.org/stable/c/d1fc00ec02e9deb3f8d2bd59caf938c554fbc576416baaa9-dc9f-4396-8d5f-8c081fb06d67
N/A
https://git.kernel.org/stable/c/fe59ae27d7346245f5d8d97220f374e63efd28b5416baaa9-dc9f-4396-8d5f-8c081fb06d67
N/A
Hyperlink: https://git.kernel.org/stable/c/44e5e4eb3a07bf3e1d931dd9f96f3edcfa376605
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/4f8ef58c10bfe5f86a643c7c8331b37e69e3dae1
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/d1fc00ec02e9deb3f8d2bd59caf938c554fbc576
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/fe59ae27d7346245f5d8d97220f374e63efd28b5
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Resource: N/A

Change History

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