{"id":"CVE-2026-23027","state":"PUBLISHED","title":"LoongArch: KVM: Fix kvm_device leak in kvm_pch_pic_destroy()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nLoongArch: KVM: Fix kvm_device leak in kvm_pch_pic_destroy()\n\nIn kvm_ioctl_create_device(), kvm_device has allocated memory,\nkvm_device->destroy() seems to be supposed to free its kvm_device\nstruct, but kvm_pch_pic_destroy() is not currently doing this, that\nwould lead to a memory leak.\n\nSo, fix it.","publishedAt":"2026-01-31T11:42:06.183Z","updatedAt":"2026-05-11T21:58:35.391Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e785dfacf7e7fe94370fa0e8e3ff1bc8fe179831","status":"affected","lessThan":"fc53a66227af08d868face4b33fa8b2e1ba187ed","versionType":"git"},{"version":"e785dfacf7e7fe94370fa0e8e3ff1bc8fe179831","status":"affected","lessThan":"1cf342a7c3adc5877837b53bbceb5cc9eff60bbf","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/loongarch/kvm/intc/pch_pic.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.13","versionType":"semver"},{"version":"6.18.7","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/loongarch/kvm/intc/pch_pic.c"]}],"references":["https://git.kernel.org/stable/c/fc53a66227af08d868face4b33fa8b2e1ba187ed","https://git.kernel.org/stable/c/1cf342a7c3adc5877837b53bbceb5cc9eff60bbf"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/23xxx/CVE-2026-23027.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-23027","state":"PUBLISHED","datePublished":"2026-01-31T11:42:06.183Z","dateUpdated":"2026-05-11T21:58:35.391Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-01-13T15:37:45.941Z"},"containers":{"cna":{"title":"LoongArch: KVM: Fix kvm_device leak in kvm_pch_pic_destroy()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nLoongArch: KVM: Fix kvm_device leak in kvm_pch_pic_destroy()\n\nIn kvm_ioctl_create_device(), kvm_device has allocated memory,\nkvm_device->destroy() seems to be supposed to free its kvm_device\nstruct, but kvm_pch_pic_destroy() is not currently doing this, that\nwould lead to a memory leak.\n\nSo, fix it."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e785dfacf7e7fe94370fa0e8e3ff1bc8fe179831","status":"affected","lessThan":"fc53a66227af08d868face4b33fa8b2e1ba187ed","versionType":"git"},{"version":"e785dfacf7e7fe94370fa0e8e3ff1bc8fe179831","status":"affected","lessThan":"1cf342a7c3adc5877837b53bbceb5cc9eff60bbf","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/loongarch/kvm/intc/pch_pic.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.13","versionType":"semver"},{"version":"6.18.7","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/loongarch/kvm/intc/pch_pic.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/fc53a66227af08d868face4b33fa8b2e1ba187ed"},{"url":"https://git.kernel.org/stable/c/1cf342a7c3adc5877837b53bbceb5cc9eff60bbf"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:58:35.391Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.18.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.19"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}