CVE-2024-39493Medium· 5.5▾ SunlitIn 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'…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 30.3 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Oct 15.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.2%
In 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.
linux_kernel >= 4.19.312, < 4.19.316linux_kernel >= 5.4.274, < 5.4.278linux_kernel >= 5.10.215, < 5.10.219linux_kernel >= 5.15.154, < 5.15.161linux_kernel >= 6.1.84, < 6.1.94linux_kernel >= 6.6.24, < 6.6.34linux_kernel >= 6.9, < 6.9.5Upgrade past the affected range:
linux_kernel 6.9.5Connected by shared product, vendor, weakness, or advisory.
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