A vulnerability was found in Linux Kernel. It has been rated as problematic. Affected by this issue is the function sess_free_buffer of the file fs/cifs/sess.c of the component CIFS Handler. The manipulation leads to double free. Using CWE to declare the problem leads to CWE-415. The weakness was shared 10/18/2022. The advisory is shared for download at git.kernel.org.
This vulnerability is handled as CVE-2022-3595. Access to the local network is required for this attack to succeed. Technical details are available. There is no exploit available. The current price for an exploit might be approx. USD $0-$5k at the moment.
It is declared as not defined. As 0-day the estimated underground price was around $5k-$25k.
The bugfix is ready for download at git.kernel.org. It is recommended to apply a patch to fix this issue. A possible mitigation has been published before and not just after the disclosure of the vulnerability.
Timeline
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