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CVE-2026-68181

Unknown

Last modified

CVE-2026-68181 is a vulnerability of currently unknown severity. In the Linux kernel, the following vulnerability has been resolved: mei: bus: access mei_device under device_lock on cleanup Fix couple of problems in mei_cl_bus_dev_release(): mei_cl_flush_queues() is running without lock. bus->file_list access after mei_dev_bus_put(bus) can become a use-after-free if this was the last reference to bus. Protect queues cleanup and WARN traversal by device lock there to avoid the concurrent access problems. Move WARN traversal before mei_dev_bus_put(bus). This file uses bus variable name for mei_device, adjust code of mei_cl_bus_dev_release() to use bus variable too..

Description

In the Linux kernel, the following vulnerability has been resolved: mei: bus: access mei_device under device_lock on cleanup Fix couple of problems in mei_cl_bus_dev_release(): mei_cl_flush_queues() is running without lock. bus->file_list access after mei_dev_bus_put(bus) can become a use-after-free if this was the last reference to bus. Protect queues cleanup and WARN traversal by device lock there to avoid the concurrent access problems. Move WARN traversal before mei_dev_bus_put(bus). This file uses bus variable name for mei_device, adjust code of mei_cl_bus_dev_release() to use bus variable too.

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= 24f4ceeaeee7983c07590149556a0e33efe2ec90, < 441559d4c595f839b39f0ab6a4ae628427c2fd9e; >= 612c8d21ce6e37b73f3106aec7ffa35959d40261, < c88c030a324c9018b77894a19b2564eb66862020; >= 35e8a426b16adbecae7a4e0e3c00fc8d0273db53, < 59dd34854202d9a3faaa87a85205e553fe7150e1; >= 35e8a426b16adbecae7a4e0e3c00fc8d0273db53, < 7cf79e8d682fe93777268f029668ce5e214237fd; >= 35e8a426b16adbecae7a4e0e3c00fc8d0273db53, < f112ea910e554d58b4b39a4492b7d302f0f4204f; 6f2a6ef86b23a30b92ad57981de537bce67bfa45; 2f29dce5a5ae06a7db32e4491d72269329a86eeb; 28de6ca5276a94b0589ae1bf026b89fa0eaf14c0; >= 6.6.103, < 6.6.148; >= 6.12.43, < 6.12.101; >= 6.1.149, < 6.2; >= 6.15.11, < 6.16; >= 6.16.2, < 6.17
LinuxLinux6.17

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-68181?
In the Linux kernel, the following vulnerability has been resolved: mei: bus: access mei_device under device_lock on cleanup Fix couple of problems in mei_cl_bus_dev_release(): mei_cl_flush_queues() is running without lock. bus->file_list access after mei_dev_bus_put(bus) can become a use-after-free if this was the last reference to bus. Protect queues cleanup and WARN traversal by device lock there to avoid the concurrent access problems. Move WARN traversal before mei_dev_bus_put(bus). This file uses bus variable name for mei_device, adjust code of mei_cl_bus_dev_release() to use bus variable too.
How severe is CVE-2026-68181?
Severity scoring for CVE-2026-68181 is pending analysis.
How do I fix CVE-2026-68181?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST