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CVE-2026-64519

NFSD: Fix infinite loop in layout state revocation

N/A
Published: July 25, 2026 at 09:14 AM UTC
Updated: July 25, 2026 at 10:31 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
N/A
Exploit prediction
EPSS 0.2%

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
6.9 ≤ v < 6.12.926.9 ≤ v < 6.18.346.9 ≤ v < 7.0.116.9 ≤ v < 7.11e33e1414bec54a4feafa9e67e2617031be0afe26.9
Vendor states this is fixed in 44e5e4eb3a07bf3e1d931dd9f96f3edcfa376605 (fixed)
Vendor states this is fixed in 4f8ef58c10bfe5f86a643c7c8331b37e69e3dae1 (fixed)
Vendor states this is fixed in d1fc00ec02e9deb3f8d2bd59caf938c554fbc576 (fixed)
Vendor states this is fixed in fe59ae27d7346245f5d8d97220f374e63efd28b5 (fixed)
Vendor states this is fixed in 6.12.92 (unaffected)
Vendor states this is fixed in 6.18.34 (unaffected)
Vendor states this is fixed in 6.9 (unaffected)
Vendor states this is fixed in 7.0.11 (unaffected)
Vendor states this is fixed in 7.1 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

Source: cverecord
https://git.kernel.org/stable/c/d1fc00ec02e9deb3f8d2bd59caf938c554fbc576
Source: cverecord
https://git.kernel.org/stable/c/fe59ae27d7346245f5d8d97220f374e63efd28b5
Source: cverecord
https://git.kernel.org/stable/c/44e5e4eb3a07bf3e1d931dd9f96f3edcfa376605
Source: cverecord
https://git.kernel.org/stable/c/4f8ef58c10bfe5f86a643c7c8331b37e69e3dae1

Quick Info

StatusRECEIVED

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