High severity7.8NVD Advisory· Published Feb 18, 2022· Updated Jun 17, 2026
CVE-2022-0646
CVE-2022-0646
Description
A flaw use after free in the Linux kernel Management Component Transport Protocol (MCTP) subsystem was found in the way user triggers cancel_work_sync after the unregister_netdev during removing device. A local user could use this flaw to crash the system or escalate their privileges on the system. It is actual from Linux Kernel 5.17-rc1 (when mctp-serial.c introduced) till 5.17-rc5.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
15cpe:2.3:o:linux:linux_kernel:5.17:rc1:*:*:*:*:*:*+ 5 more
- cpe:2.3:o:linux:linux_kernel:5.17:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.17:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.17:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.17:rc4:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.17:rc5:*:*:*:*:*:*
- (no CPE)range: 5.17-rc1 to 5.17-rc5
- cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
- Linux kernel/Management Component Transport Protocol (MCTP)description
Patches
Vulnerability mechanics
References
2- lore.kernel.org/all/20220211011552.1861886-1-jk%40codeconstruct.com.aunvdMailing ListPatch
- security.netapp.com/advisory/ntap-20220318-0006/nvdThird Party Advisory
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