CVE-2024-56729

Medium

Description

In the Linux kernel, the following vulnerability has been resolved: smb: Initialize cfid->tcon before performing network ops Avoid leaking a tcon ref when a lease break races with opening the cached directory. Processing the leak break might take a reference to the tcon in cached_dir_lease_break() and then fail to release the ref in cached_dir_offload_close, since cfid->tcon is still NULL.

SeverityMedium
CVSS4.7
Exploit probability—
ProductLinux Kernel
PublishedDec 29, 2024
First seenDec 29, 2024
Weakness typeCWE-401CWE-401

How to fix

Update
  • linux linux_kernel6.6.64, 6.11.11, 6.12.2 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernel6.1 ≤ v < 6.6.64, 6.7 ≤ v < 6.11.11, 6.12 ≤ v < 6.12.26.6.64, 6.11.11, 6.12.2

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