CVE-2026-93041
Unknown
Description
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.
SeverityUnknown
CVSS—
Exploit probability—
Product
Linux
PublishedSep 17, 2026
First seenSep 17, 2026
How to fix
Update
- Linux Linux4a72f81b8681b2ad7705cf039974c443dcc8ff00, b7b8b08cd6422f7ed783226ac4aa6cebe398ab54, 0b028e5175590fb34ccbd537ff5b9cd386ce5747, 075de95d7a7cd8fecfb6fe1c685c9064fc6c9d76, e20c6539394ac8d70240b85bb5963c74a3a49789, 0c3294066c36d5980fd9c8192dcb53bb9ccd1f7b, f71c94c1a657492e015be227d44c4198a8e7a91d, dd80e259f65d932634e26d366570d71669ef6654 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | e63d79d1ffcd2201a2dbff1d7a1184b8f3ec74cf ≤ v < 4a72f81b8681b2ad7705cf039974c443dcc8ff00, e63d79d1ffcd2201a2dbff1d7a1184b8f3ec74cf ≤ v < b7b8b08cd6422f7ed783226ac4aa6cebe398ab54, e63d79d1ffcd2201a2dbff1d7a1184b8f3ec74cf ≤ v < 0b028e5175590fb34ccbd537ff5b9cd386ce5747, e63d79d1ffcd2201a2dbff1d7a1184b8f3ec74cf ≤ v < 075de95d7a7cd8fecfb6fe1c685c9064fc6c9d76, e63d79d1ffcd2201a2dbff1d7a1184b8f3ec74cf ≤ v < e20c6539394ac8d70240b85bb5963c74a3a49789, e63d79d1ffcd2201a2dbff1d7a1184b8f3ec74cf ≤ v < 0c3294066c36d5980fd9c8192dcb53bb9ccd1f7b, e63d79d1ffcd2201a2dbff1d7a1184b8f3ec74cf ≤ v < f71c94c1a657492e015be227d44c4198a8e7a91d, e63d79d1ffcd2201a2dbff1d7a1184b8f3ec74cf ≤ v < dd80e259f65d932634e26d366570d71669ef6654, 5.3 | 4a72f81b8681b2ad7705cf039974c443dcc8ff00, b7b8b08cd6422f7ed783226ac4aa6cebe398ab54, 0b028e5175590fb34ccbd537ff5b9cd386ce5747, 075de95d7a7cd8fecfb6fe1c685c9064fc6c9d76, e20c6539394ac8d70240b85bb5963c74a3a49789, 0c3294066c36d5980fd9c8192dcb53bb9ccd1f7b, f71c94c1a657492e015be227d44c4198a8e7a91d, dd80e259f65d932634e26d366570d71669ef6654 |
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