CVE-2026-23427 — Expired Pointer Dereference in Linux
Severity
—N/A
No vectorEPSS
0.0%
top 93.71%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedApr 3
Description
In the Linux kernel, the following vulnerability has been resolved:
ksmbd: fix use-after-free in durable v2 replay of active file handles
parse_durable_handle_context() unconditionally assigns dh_info->fp->conn
to the current connection when handling a DURABLE_REQ_V2 context with
SMB2_FLAGS_REPLAY_OPERATION. ksmbd_lookup_fd_cguid() does not filter by
fp->conn, so it returns file handles that are already actively connected.
The unconditional overwrite replaces fp->conn, and when the overwriting…
Affected Packages3 packages
▶CVEListV5linux/linux8df4bcdb0a4232192b2445256c39b787d58ef14d — b0158d9d6f4ec5941e49a0b812735db2844f9975+5
🔴Vulnerability Details
2GHSA▶
GHSA-vrjp-x986-3fqm: In the Linux kernel, the following vulnerability has been resolved:
ksmbd: fix use-after-free in durable v2 replay of active file handles
parse_dura↗2026-04-03
OSV▶
CVE-2026-23427: In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in durable v2 replay of active file handles parse_durabl↗2026-04-03