Linux Kernel up to 7.2.5 dw-edma dw_edma_abort_interrupt race condition

CVSS Meta Temp Score
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CTI Interest Score
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7.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 7.2.5. It has been rated as very critical. Affected by this vulnerability is the function dw_edma_abort_interrupt of the component dw-edma. The manipulation leads to race condition. This vulnerability is traded as CVE-2026-93041. An attack has to be approached locally. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as very critical, has been found in Linux Kernel up to 7.2.5. This issue affects the function dw_edma_abort_interrupt of the component dw-edma. The manipulation with an unknown input leads to a race condition vulnerability. Using CWE to declare the problem leads to CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: dmaengine: dw-edma: Serialize abort state updates dw_edma_abort_interrupt() drops vc.lock before changing request and status. issue_pending() can acquire the lock in that small window, observe the old busy state, and skip starting queued descriptors. Then the abort handler overwrites the channel status as idle, leaving the new descriptors stranded for good. Keep descriptor completion and the state transition in the same critical section.

It is possible to read the advisory at git.kernel.org. The identification of this vulnerability is CVE-2026-93041 since 09/17/2026. The exploitation is known to be easy. Attacking locally is a requirement. Additional levels of successful authentication are needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/17/2026).

Upgrading to version 5.10.270, 5.15.221, 6.1.188, 6.6.157, 6.12.110, 6.18.52, 7.2.6 or 7.3-rc1 eliminates this vulnerability. Applying the patch 4a72f81b8681b2ad7705cf039974c443dcc8ff00/b7b8b08cd6422f7ed783226ac4aa6cebe398ab54/0b028e5175590fb34ccbd537ff5b9cd386ce5747/075de95d7a7cd8fecfb6fe1c685c9064fc6c9d76/e20c6539394ac8d70240b85bb5963c74a3a49789/0c3294066c36d5980fd9c8192dcb53bb9ccd1f7b/f71c94c1a657492e015be227d44c4198a8e7a91d/dd80e259f65d932634e26d366570d71669ef6654 is able to eliminate this problem. The best possible mitigation is suggested to be upgrading to the latest version.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.2
VulDB Meta Temp Score: 7.8

VulDB Base Score: 8.2
VulDB Temp Score: 7.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Race condition
CWE: CWE-362
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 5.10.270/5.15.221/6.1.188/6.6.157/6.12.110/6.18.52/7.2.6/7.3-rc1
Patch: 4a72f81b8681b2ad7705cf039974c443dcc8ff00/b7b8b08cd6422f7ed783226ac4aa6cebe398ab54/0b028e5175590fb34ccbd537ff5b9cd386ce5747/075de95d7a7cd8fecfb6fe1c685c9064fc6c9d76/e20c6539394ac8d70240b85bb5963c74a3a49789/0c3294066c36d5980fd9c8192dcb53bb9ccd1f7b/f71c94c1a657492e015be227d44c4198a8e7a91d/dd80e259f65d932634e26d366570d71669ef6654

Timelineinfo

09/17/2026 Advisory disclosed
09/17/2026 +0 days CVE reserved
09/17/2026 +0 days VulDB entry created
09/17/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2026-93041 (🔒)
GCVE (CVE): GCVE-0-2026-93041
GCVE (VulDB): GCVE-100-407099

Entryinfo

Created: 09/17/2026 23:07
Changes: 09/17/2026 23:07 (59)
Complete: 🔍
Cache ID: 216::103

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