CVE-2023-52480
UNKNOWN
Published 2024-02-29T05:43:12.019Z
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No CVSS data available
Description
In the Linux kernel, the following vulnerability has been resolved:
ksmbd: fix race condition between session lookup and expire
Thread A + Thread B
ksmbd_session_lookup | smb2_sess_setup
sess = xa_load |
|
| xa_erase(&conn->sessions, sess->id);
|
| ksmbd_session_destroy(sess) --> kfree(sess)
|
// UAF! |
sess->last_active = jiffies |
+
This patch add rwsem to fix race condition between ksmbd_session_lookup
and ksmbd_expire_session.
Available Exploits
No exploits available for this CVE.
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References
Published: 2024-02-29T05:43:12.019Z
Last Modified: 2025-05-04T07:37:35.635Z
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