CVE-2025-37777

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in __smb2_lease_break_noti() Move tcp_transport free to ksmbd_conn_free. If ksmbd connection is referenced when ksmbd server thread terminates, It will not be freed, but conn->tcp_transport is freed. __smb2_lease_break_noti can be performed asynchronously when the connection is disconnected. __smb2_lease_break_noti calls ksmbd_conn_write, which can cause use-after-free when conn->ksmbd_transport is already freed.

Reserved 2025-04-16 | Published 2025-05-01 | Updated 2025-05-26 | Assigner Linux

Product status

Default status
unaffected

0626e6641f6b467447c81dd7678a69c66f7746cf before 1aec4d14cf81b7b3e7b69eb1cfa94144eed7138e
affected

0626e6641f6b467447c81dd7678a69c66f7746cf before e59796fc80603bcd8569d4d2e10b213c1918edb4
affected

0626e6641f6b467447c81dd7678a69c66f7746cf before 21a4e47578d44c6b37c4fc4aba8ed7cc8dbb13de
affected

Default status
affected

5.15
affected

Any version before 5.15
unaffected

6.12.26
unaffected

6.14.4
unaffected

6.15
unaffected

References

git.kernel.org/...c/1aec4d14cf81b7b3e7b69eb1cfa94144eed7138e

git.kernel.org/...c/e59796fc80603bcd8569d4d2e10b213c1918edb4

git.kernel.org/...c/21a4e47578d44c6b37c4fc4aba8ed7cc8dbb13de

cve.org (CVE-2025-37777)

nvd.nist.gov (CVE-2025-37777)

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