7.8
CVE-2024-38629
- EPSS 0.02%
- Veröffentlicht 21.06.2024 11:15:11
- Zuletzt bearbeitet 03.10.2025 14:53:37
- Quelle 416baaa9-dc9f-4396-8d5f-8c081f
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In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Avoid unnecessary destruction of file_ida file_ida is allocated during cdev open and is freed accordingly during cdev release. This sequence is guaranteed by driver file operations. Therefore, there is no need to destroy an already empty file_ida when the WQ cdev is removed. Worse, ida_free() in cdev release may happen after destruction of file_ida per WQ cdev. This can lead to accessing an id in file_ida after it has been destroyed, resulting in a kernel panic. Remove ida_destroy(&file_ida) to address these issues.
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Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 6.4 < 6.6.33
Linux ≫ Linux Kernel Version >= 6.7 < 6.9.4
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
Typ | Quelle | Score | Percentile |
---|---|---|---|
EPSS | FIRST.org | 0.02% | 0.048 |
Quelle | Base Score | Exploit Score | Impact Score | Vector String |
---|---|---|---|---|
nvd@nist.gov | 7.8 | 1.8 | 5.9 |
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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CWE-416 Use After Free
The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.