CVE-2025-39945 — Use After Free in Linux
Severity
7.8HIGHNVD
OSV5.5OSV3.2
EPSS
0.0%
top 93.19%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedOct 4
Latest updateApr 13
Description
In the Linux kernel, the following vulnerability has been resolved:
cnic: Fix use-after-free bugs in cnic_delete_task
The original code uses cancel_delayed_work() in cnic_cm_stop_bnx2x_hw(),
which does not guarantee that the delayed work item 'delete_task' has
fully completed if it was already running. Additionally, the delayed work
item is cyclic, the flush_workqueue() in cnic_cm_stop_bnx2x_hw() only
blocks and waits for work items that were already queued to the
workqueue prior to its invoca…
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9