PT-2024-35633 · Linux+1 · Linux Kernel+1
Yunseong Kim
·
Published
2024-11-25
·
Updated
2026-02-21
·
CVE-2024-53186
CVSS v3.1
7.8
High
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
A race condition exists between SMB request handling in
ksmbd conn handler loop() and the freeing of ksmbd conn in the workqueue handler handle ksmbd work(). This leads to a use-after-free (UAF) issue. The race condition arises when ksmbd conn handler loop() waits for conn->r count to reach zero, while handle ksmbd work() decrements conn->r count and potentially frees conn when it reaches zero. However, after freeing conn, handle ksmbd work() may still access conn->r count q, resulting in a UAF.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
Use After Free
Race Condition
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Related Identifiers
Affected Products
Alt Linux
Linux Kernel