CVE-2025-68817
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in ksmbd_tree_connect_put under concurrency Under high concurrency, A tree-connection object (tcon) is freed on a disconnect path while another path still…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.45%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in ksmbd_tree_connect_put under concurrency Under high concurrency, A tree-connection object (tcon) is freed on a disconnect path while another path still holds a reference and later executes *_put()/write on it.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.45% probability · 38th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/063cbbc6f595ea36ad146e1b7d2af820894beb21Patch
- https://git.kernel.org/stable/c/21a3d01fc6db5129f81edb0ab7cb94fd758bcbeaPatch
- https://git.kernel.org/stable/c/446beed646b2e426dd53d27358365f8678e1dd01Patch
- https://git.kernel.org/stable/c/b39a1833cc4a2755b02603eec3a71a85e9dff926Patch
- https://git.kernel.org/stable/c/d092de8a26c952379ded8e6b0bda31d89befac1aPatch
- https://git.kernel.org/stable/c/d64977495e44855f2b28d8ce56107c963a7a50e4Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.