CVE-2025-37845
HIGH EPSS 15.0%
Published May 9, 20251y ago · Modified Jun 17, 20261w ago
7.8 CVSS 3.1
Published May 9, 2025 1y ago
Last Modified Jun 17, 2026 1w ago
Description
In the Linux kernel, the following vulnerability has been resolved: tracing: fprobe events: Fix possible UAF on modules Commit ac91052f0ae5 ("tracing: tprobe-events: Fix leakage of module refcount") moved try_module_get() from __find_tracepoint_module_cb() to find_tracepoint() caller, but that introduced a possible UAF because the module can be unloaded before try_module_get(). In this case, the module object should be freed too. Thus, try_module_get() does not only fail but may access to the freed object. To avoid that, try_module_get() in __find_tracepoint_module_cb() again.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High
Threat Intelligence
EPSS Exploit Probability
15.0% percentile
Exploit & Patch Status
No Known Exploit
Patch Available
Weaknesses 1
CWE-416 Use After Free Memory Safety
Affected Products 5
References 4
- git.kernel.org https://git.kernel.org/stable/c/626f01f4d26e8cf92e69c1df53036153c8e98a20
- git.kernel.org https://git.kernel.org/stable/c/868df4eb784c3ccc7e4340a9ea993cbbedca167e
- git.kernel.org https://git.kernel.org/stable/c/a27d2de2472b1cc7d582ab405d1d5832a80481de
- git.kernel.org https://git.kernel.org/stable/c/dd941507a9486252d6fcf11814387666792020f3
Remediation
- git.kernel.org https://git.kernel.org/stable/c/626f01f4d26e8cf92e69c1df53036153c8e98a20
- git.kernel.org https://git.kernel.org/stable/c/868df4eb784c3ccc7e4340a9ea993cbbedca167e
- git.kernel.org https://git.kernel.org/stable/c/a27d2de2472b1cc7d582ab405d1d5832a80481de
- git.kernel.org https://git.kernel.org/stable/c/dd941507a9486252d6fcf11814387666792020f3