Service hang via reversed VF lock order
Published May 20, 2024 · Updated May 23, 2026
Improper locking in the Linux kernel ice driver 6.6.5 through 6.6.29 and 6.7 through 6.8.8 allows local users to cause a service hang. The ice_reset_vf function takes the LAG mutex before the VF configuration lock, while ice_vc_cfg_qs_msg takes the same locks in the reverse order and creates a circular wait. Reachability requires the ice driver with link aggregation and virtual functions plus overlapping reset and queue-configuration activity; the documented consequence is availability loss.
Summary
What happened
Improper locking in the Linux kernel ice driver 6.6.5 through 6.6.29 and 6.7 through 6.8.8 allows local users to cause a service hang. The ice_reset_vf function takes the LAG mutex before the VF configuration lock, while ice_vc_cfg_qs_msg takes the same locks in the reverse order and creates a circular wait. Reachability requires the ice driver with link aggregation and virtual functions plus overlapping reset and queue-configuration activity; the documented consequence is availability loss.
The record
- CVE
- CVE-2024-36003
- Published
- May 20, 2024
- Updated
- May 23, 2026
- Vendor
- The Linux Kernel Organization
- Product
- Linux
- Classifications
- CWE-667, T1499
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- May 20, 2024CVE publishedPublication date reported by the CVE source.
- May 23, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=6.6.5 <6.6.30
- Affected versionversion=6.7
- Affected versionversion=9f74a3dfcf83e11aedcb98250b8040dbc6d9659a <96fdd1f6b4ed72a741fb0eb705c0e13049b8721f
- Affected versionversion=9f74a3dfcf83e11aedcb98250b8040dbc6d9659a <de8631d8c9df08440268630200e64b623a5f69e6
- Affected versionversion=fd7f7a8ad3363fd94fc3868616cc70a1d8dfc01b <740717774dc37338404d10726967d582414f638c
What conditions does exploitation require?
What is affected?
Published CVSS scores
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Attacks
What attackers are doing with it
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Public exploit references
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Technologies
Your stack
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Your stack
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