# CVE-2025-68370: linux: In the Linux kernel, the following vulnerability has been resolved:  coresight: tmc: add the handle of the event to t...

CVE-2025-68370 is fixed in linux on 1 platform by DEBIAN-CVE-2025-68370 (version 6.17.13-1), released December 24, 2025. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2025-68370
- Priority: High
- CVSS: 7.8 (high)
- EPSS: 0.0014
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Dec 24, 2025

## Description

In the Linux kernel, the following vulnerability has been resolved:  coresight: tmc: add the handle of the event to the path  The handle is essential for retrieving the AUX_EVENT of each CPU and is required in perf mode. It has been added to the coresight_path so that dependent devices can access it from the path when needed.  The existing bug can be reproduced with: perf record -e cs_etm//k -C 0-9 dd if=/dev/zero of=/dev/null  Showing an oops as follows: Unable to handle kernel paging request at virtual address 000f6e84934ed19e  Call trace:  tmc_etr_get_buffer+0x30/0x80 [coresight_tmc] (P)  catu_enable_hw+0xbc/0x3d0 [coresight_catu]  catu_enable+0x70/0xe0 [coresight_catu]  coresight_enable_path+0xb0/0x258 [coresight]

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 14 | 6.17.13-1 | [DEBIAN-CVE-2025-68370](https://patchblox.com/security/data/fix/linux/debian-cve-2025-68370.md) | Dec 24, 2025 |

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