What’s Vulnerable › Vulnerabilities

CVE-2022-0646

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-02-18 · updated 2026-06-17
• Weakness: CWE-459

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.

Affected products

• Linux kernel: 5.17-rc1, 5.17-rc2, 5.17-rc3, 5.17-rc4, 5.17-rc5
• NetApp H300E Firmware: all versions
• NetApp H300S Firmware: all versions
• NetApp H410C Firmware: all versions
• NetApp H410S Firmware: all versions
• NetApp H500E Firmware: all versions
• NetApp H500S Firmware: all versions
• NetApp H700E Firmware: all versions
• NetApp H700S Firmware: all versions

References

• https://lore.kernel.org/all/20220211011552.1861886-1-jk%40codeconstruct.com.au
• https://security.netapp.com/advisory/ntap-20220318-0006/
• https://lore.kernel.org/all/20220211011552.1861886-1-jk%40codeconstruct.com.au
• https://security.netapp.com/advisory/ntap-20220318-0006/

Get alerted when CVE-2022-0646 or the next vulnerability affects your stack