Bug 2363497 (CVE-2022-49774) - CVE-2022-49774 kernel: KVM: x86/xen: Fix eventfd error handling in kvm_xen_eventfd_assign()
Summary: CVE-2022-49774 kernel: KVM: x86/xen: Fix eventfd error handling in kvm_xen_ev...
Keywords:
Status: NEW
Alias: CVE-2022-49774
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-05-01 15:07 UTC by OSIDB Bzimport
Modified: 2025-05-02 05:22 UTC (History)
4 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)

Description OSIDB Bzimport 2025-05-01 15:07:07 UTC 
In the Linux kernel, the following vulnerability has been resolved:

KVM: x86/xen: Fix eventfd error handling in kvm_xen_eventfd_assign()

Should not call eventfd_ctx_put() in case of error.

[Introduce new goto target instead. - Paolo]
Comment 1 Avinash Hanwate 2025-05-02 05:11:35 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025050116-CVE-2022-49774-e5d3@gregkh/T
Note You need to log in before you can comment on or make changes to this bug.