CVE-2024-39493
MediumIn the Linux kernel, the following vulnerability has been resolved: crypto: qat - Fix ADF_DEV_RESET_SYNC memory leak Using completion_done to determine whether the caller has gone away only works after a complete call. Furthermore it's still possible that the caller has not yet called wait_for_completion, resulting in another potential UAF. Fix this by making the caller use cancel_work_sync and then freeing the memory safely.
CVSS 3.1 score
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness type
CWE-401CVE-2024-39493 is a Memory Leak vulnerability
What is Memory Leak?
The product does not release memory after use, causing gradual resource exhaustion. Learn more on MITRE CWE
References
The following references provide additional information about CVE-2024-39493 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/0ce5964b82f212f4df6a9813f09a0b5de15bd9c8
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PatchKernel patch commithttps://git.kernel.org/stable/c/3fb4601e0db10d4fe25e46f3fa308d40d37366bd
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PatchKernel patch commithttps://git.kernel.org/stable/c/6396b33e98c096bff9c253ed49c008247963492a
Frequently asked questions
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What is CVE-2024-39493?
CVE-2024-39493 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as a Memory Leak flaw (CWE-401) . CVE-2024-39493 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2024-39493?
CVE-2024-39493 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. -
Is there a patch available for CVE-2024-39493?
No patch is currently available for CVE-2024-39493. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2024-39493 actively exploited?
No — CVE-2024-39493 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
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What is Memory Leak (CWE-401)?
The product does not release memory after use, causing gradual resource exhaustion. View CWE-401 on MITRE CWE →