Vulnerabilities of the functions check_session_id(), smb2_check_user_session(), smb2_sess_setup(), smb2_session_logoff(), smb3_decrypt_req(), ksmbd_session_lookup(), ksmbd_session_lookup_slowpath(), and ksmbd_get_encryption_key() in the Linux operating system kernel, allowing a hacker to cause a service failure.

The vulnerabilities of the functions checksessionid, smb2checkusersession, smb2sesssetup, smb2sessionlogoff, smb3decryptreq, ksmbdsessionlookup, ksmbdsessionlookupslowpath, and ksmbdgetencryptionkey in the Linux operating system are related to improper locking mechanisms. Exploiting these...

CVE-2023-52480: Concurrent Execution using Shared Resource with Improper Synchronization

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix race condition between session lookup and expire Thread A + Thread B ksmbdsessionlookup | smb2sesssetup sess = xaload | | | xaerase&conn-sessions, sess-id; | | ksmbdsessiondestroysess -- kfreesess | // UAF! |...