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CVE-2024-47746

fuse: use exclusive lock when FUSE_I_CACHE_IO_MODE is set

MEDIUM
5.5
CVSS Score
Published: October 21, 2024 at 12:14 PM UTC
Updated: June 17, 2026 at 07:57 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: fuse: use exclusive lock when FUSE_I_CACHE_IO_MODE is set This may be a typo. The comment has said shared locks are not allowed when this bit is set. If using shared lock, the wait in `fuse_file_cached_io_open` may be forever.

Affected

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

Linux Kernel· Linux
95%
6.11 ≤ v < 6.11.26.9 ≤ v < 6.10.136.9 ≤ v < 6.11.26.9 ≤ v < 6.12205c1d8026835746d8597e1aa70c370e014e83fa6.9
Vendor states this is fixed in 2f3d8ff457982f4055fe8f7bf19d3821ba22c376 (fixed)
Vendor states this is fixed in 4e181761ffec67307157a7e8a78d58ee4130cf00 (fixed)
Vendor states this is fixed in fa4890bd8237e5a1e7428acd7328729db2703b23 (fixed)
Vendor states this is fixed in 6.10.13 (unaffected)
Vendor states this is fixed in 6.11.2 (unaffected)
Vendor states this is fixed in 6.12 (unaffected)
Vendor states this is fixed in 6.9 (unaffected)

References (3)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/2f3d8ff457982f4055fe8f7bf19d3821ba22c376
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/4e181761ffec67307157a7e8a78d58ee4130cf00
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/fa4890bd8237e5a1e7428acd7328729db2703b23

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-667

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