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Vulnerability · Published Dec 24, 2025 · Assigned by Linux

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

Unrated

In plain English

A security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS )–Not rated
Exploit odds (30 days)0.3%top 77.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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 packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.4-1DEBIAN-CVE-2022-50761
Debian:13linux6.1.4-1DEBIAN-CVE-2022-50761
Debian:14linux6.1.4-1DEBIAN-CVE-2022-50761
Ubuntu:22.04:LTSlinux5.15.0-69.76UBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-aws5.15.0-1033.37UBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-azure5.15.0-1035.42UBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2022-50761
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1035.42.1UBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-gcp5.15.0-1031.38UBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2022-50761
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-gke5.15.0-1030.35UBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1017.22UBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2022-50761
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-ibm5.15.0-1027.30UBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1027.32UBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-kvm5.15.0-1030.35UBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-69.76UBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2022-50761
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1023.23UBUNTU-CVE-2022-50761
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2022-50761
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2022-50761
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-oracle5.15.0-1032.38UBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-raspi5.15.0-1026.28UBUNTU-CVE-2022-50761
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-50761
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2022-50761
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2022-50761
Ubuntu:24.04:LTSlinux-riscv-6.14no fix listedUBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2022-50761
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2022-50761

Affected products (as reported)

VendorProductVersions
Linux Linux 2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79 – before 9278bdbb566656b3704704f8dd6cbc24a6fcc5692d9e1e2f58b5612aa4eab0ab54c84308a29dbd79 – before 07764d00c869a3390bd4f80412cc8b0e669e6c582d9e1e2f58b5612aa4eab0ab54c84308a29dbd79 – before 53ff99c76be611acea37d33133c91369699148652d9e1e2f58b5612aa4eab0ab54c84308a29dbd79 – before 29198f667f4486f9e227e11faf1411fcf4c82a662d9e1e2f58b5612aa4eab0ab54c84308a29dbd79 – before 70e7f308d7a8e915c7fbc0f1d959968eab8000cd2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79 – before 70966d6b0f59f795b08a70adf5e4478348ecbfbb2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79 – before 798fc3cf98ca07e448956f39295c5d686ab4b0542d9e1e2f58b5612aa4eab0ab54c84308a29dbd79 – before b44457b83a034efef58ffa5f3131d4615f1a9837
Linux Linux 2.6.27

References