CVE-2026-23027
In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Fix kvm_device leak in kvm_pch_pic_destroy() In kvm_ioctl_create_device(), kvm_device has allocated memory, kvm_device->destroy() seems to be supposed to free its kvm_device struct, but kvm_pch_pic_destroy() is not currently doing this, that would lead to a memory leak. So, fix it.
Affected versions
Linux kernel versions
6.13
and later are affected. Fixed in
6.18.7,
6.19
and their respective stable series.
References
The following references provide additional information about CVE-2026-23027 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/1cf342a7c3adc5877837b53bbceb5cc9eff60bbf
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PatchKernel patch commithttps://git.kernel.org/stable/c/fc53a66227af08d868face4b33fa8b2e1ba187ed
Frequently asked questions
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What is CVE-2026-23027?
CVE-2026-23027 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.13 onward and has been patched in 6.18.7 and 6.19. CVE-2026-23027 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2026-23027?
Yes — CVE-2026-23027 has been patched. Fixed versions include 6.18.7 and 6.19. If you are running Linux kernel 6.13 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2026-23027 actively exploited?
No — CVE-2026-23027 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.