What’s Vulnerable › Vulnerabilities

CVE-2022-50761: x86/xen: Fix memory leak in xen_init_lock_cpu()

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-12-24 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: x86/xen: Fix memory leak in xen_init_lock_cpu() In xen_init_lock_cpu(), the @name has allocated new string by kasprintf(), if bind_ipi_to_irqhandler() fails, it should be freed, otherwise may lead to a memory leak issue, fix it.

Affected products

• Linux kernel: 2.6.27 — fixed in 6.2

How to fix

Upgrade to a fixed version: Linux kernel 6.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/07764d00c869a3390bd4f80412cc8b0e669e6c58
• https://git.kernel.org/stable/c/29198f667f4486f9e227e11faf1411fcf4c82a66
• https://git.kernel.org/stable/c/53ff99c76be611acea37d33133c9136969914865
• https://git.kernel.org/stable/c/70966d6b0f59f795b08a70adf5e4478348ecbfbb
• https://git.kernel.org/stable/c/70e7f308d7a8e915c7fbc0f1d959968eab8000cd
• https://git.kernel.org/stable/c/798fc3cf98ca07e448956f39295c5d686ab4b054
• https://git.kernel.org/stable/c/9278bdbb566656b3704704f8dd6cbc24a6fcc569
• https://git.kernel.org/stable/c/b44457b83a034efef58ffa5f3131d4615f1a9837
• https://git.kernel.org/stable/c/ca84ce153d887b1dc8b118029976cc9faf2a9b40

Get alerted when CVE-2022-50761 or the next vulnerability affects your stack