Linux Kernel up to 6.12.7 virtio-blk deadlock

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5.0	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in Linux Kernel up to 6.12.7. Impacted is an unknown function of the component virtio-blk. Such manipulation leads to deadlock. This vulnerability is uniquely identified as CVE-2024-57946. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Linux Kernel up to 6.12.7. Affected by this issue is an unknown code block of the component virtio-blk. The manipulation with an unknown input leads to a deadlock vulnerability. Using CWE to declare the problem leads to CWE-833. The product contains multiple threads or executable segments that are waiting for each other to release a necessary lock, resulting in deadlock. Impacted is availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: virtio-blk: don't keep queue frozen during system suspend Commit 4ce6e2db00de ("virtio-blk: Ensure no requests in virtqueues before deleting vqs.") replaces queue quiesce with queue freeze in virtio-blk's PM callbacks. And the motivation is to drain inflight IOs before suspending. block layer's queue freeze looks very handy, but it is also easy to cause deadlock, such as, any attempt to call into bio_queue_enter() may run into deadlock if the queue is frozen in current context. There are all kinds of ->suspend() called in suspend context, so keeping queue frozen in the whole suspend context isn't one good idea. And Marek reported lockdep warning[1] caused by virtio-blk's freeze queue in virtblk_freeze(). [1] https://lore.kernel.org/linux-block/[email protected]/ Given the motivation is to drain in-flight IOs, it can be done by calling freeze & unfreeze, meantime restore to previous behavior by keeping queue quiesced during suspend.

The advisory is available at git.kernel.org. This vulnerability is handled as CVE-2024-57946 since 01/19/2025. The exploitation is known to be difficult. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 216191 (SUSE SLES15 / openSUSE 15 Security Update : kernel (SUSE-SU-2025:0428-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 5.4.289, 5.10.233, 5.15.176, 6.1.123, 6.6.69 or 6.12.8 eliminates this vulnerability. Applying the patch d738f3215bb4f88911ff4579780a44960c8e0ca5/9ca428c6397abaa8c38f5c69133a2299e1efbbf2/6dea8e3de59928974bf157dd0499d3958d744ae4/9e323f856cf4963120e0e3892a84ef8bd764a0e4/12c0ddd6c551c1e438b087f874b4f1223a75f7ea/92d5139b91147ab372a17daf5dc27a5b9278e516/7678abee0867e6b7fb89aa40f6e9f575f755fb37 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Tenable (216191) and CERT Bund (WID-SEC-2025-0155). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

• Debian Linux
• Amazon Linux 2
• Red Hat Enterprise Linux
• Ubuntu Linux
• SUSE Linux
• Oracle Linux
• RESF Rocky Linux
• Dell NetWorker
• Dell Avamar
• Dell PowerProtect Data Domain
• Open Source Linux Kernel
• Dell Secure Connect Gateway

Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 5.4.288
• 5.10.232
• 5.15.175
• 6.1.122
• 6.6.0
• 6.6.1
• 6.6.2
• 6.6.3
• 6.6.4
• 6.6.5
• 6.6.6
• 6.6.7
• 6.6.8
• 6.6.9
• 6.6.10
• 6.6.11
• 6.6.12
• 6.6.13
• 6.6.14
• 6.6.15
• 6.6.16
• 6.6.17
• 6.6.18
• 6.6.19
• 6.6.20
• 6.6.21
• 6.6.22
• 6.6.23
• 6.6.24
• 6.6.25
• 6.6.26
• 6.6.27
• 6.6.28
• 6.6.29
• 6.6.30
• 6.6.31
• 6.6.32
• 6.6.33
• 6.6.34
• 6.6.35
• 6.6.36
• 6.6.37
• 6.6.38
• 6.6.39
• 6.6.40
• 6.6.41
• 6.6.42
• 6.6.43
• 6.6.44
• 6.6.45
• 6.6.46
• 6.6.47
• 6.6.48
• 6.6.49
• 6.6.50
• 6.6.51
• 6.6.52
• 6.6.53
• 6.6.54
• 6.6.55
• 6.6.56
• 6.6.57
• 6.6.58
• 6.6.59
• 6.6.60
• 6.6.61
• 6.6.62
• 6.6.63
• 6.6.64
• 6.6.65
• 6.6.66
• 6.6.67
• 6.6.68
• 6.12.0
• 6.12.1
• 6.12.2
• 6.12.3
• 6.12.4
• 6.12.5
• 6.12.6
• 6.12.7

License

• open-source

Website

• Vendor: https://www.kernel.org/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 5.0

VulDB Base Score: 4.8
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Deadlock
CWE: CWE-833 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 216191
Nessus Name: SUSE SLES15 / openSUSE 15 Security Update : kernel (SUSE-SU-2025:0428-1)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 5.4.289/5.10.233/5.15.176/6.1.123/6.6.69/6.12.8
Patch: d738f3215bb4f88911ff4579780a44960c8e0ca5/9ca428c6397abaa8c38f5c69133a2299e1efbbf2/6dea8e3de59928974bf157dd0499d3958d744ae4/9e323f856cf4963120e0e3892a84ef8bd764a0e4/12c0ddd6c551c1e438b087f874b4f1223a75f7ea/92d5139b91147ab372a17daf5dc27a5b9278e516/7678abee0867e6b7fb89aa40f6e9f575f755fb37

Timelineinfo

01/19/2025 🔍
01/21/2025 +2 days 🔍
01/21/2025 +0 days 🔍
02/17/2026 +392 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2024-57946 (🔍)
GCVE (CVE): GCVE-0-2024-57946
GCVE (VulDB): GCVE-100-292682
CERT Bund: WID-SEC-2025-0155 - Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service

Entryinfo

Created: 01/21/2025 14:42
Updated: 02/17/2026 08:25
Changes: 01/21/2025 14:42 (23), 01/21/2025 14:45 (35), 02/13/2025 09:35 (2), 02/28/2025 20:16 (12), 02/17/2026 08:25 (7)
Complete: 🔍
Committer: sany
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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