CVE-2026-31440
dmaengine: idxd: Fix leaking event log memory
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Fix leaking event log memory During the device remove process, the device is reset, causing the configuration registers to go back to their default state, which is zero. As the driver is checking if the event log support was enabled before deallocating, it will fail if a reset happened before. Do not check if the support was enabled, the check for 'idxd->evl' being valid (only allocated if the HW capability is available) is enough.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Apr 22, 2026 |
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Affected Versions
Linux / Linux
244da66cda359227d80ccb41dbcb99da40eae186 < d94f9b0ba28a205caf95902ee88b42bdb8af83d0 244da66cda359227d80ccb41dbcb99da40eae186 < facd0012708e942fc12890708738aebde497564e 244da66cda359227d80ccb41dbcb99da40eae186 < 9dfa00967e6ef43a9dd0887fe5c3a721a39da92e 244da66cda359227d80ccb41dbcb99da40eae186 < ee66bc29578391c9b48523dc9119af67bd5c7c0f
Linux / Linux
6.4
References
git.kernel.org: https://git.kernel.org/stable/c/d94f9b0ba28a205caf95902ee88b42bdb8af83d0 git.kernel.org: https://git.kernel.org/stable/c/facd0012708e942fc12890708738aebde497564e git.kernel.org: https://git.kernel.org/stable/c/9dfa00967e6ef43a9dd0887fe5c3a721a39da92e git.kernel.org: https://git.kernel.org/stable/c/ee66bc29578391c9b48523dc9119af67bd5c7c0f