{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-21T11:02:32.835","vulnerabilities":[{"cve":{"id":"CVE-2022-48764","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2024-06-20T12:15:14.450","lastModified":"2025-03-24T18:16:46.910","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: x86: Free kvm_cpuid_entry2 array on post-KVM_RUN KVM_SET_CPUID{,2}\n\nFree the \"struct kvm_cpuid_entry2\" array on successful post-KVM_RUN\nKVM_SET_CPUID{,2} to fix a memory leak, the callers of kvm_set_cpuid()\nfree the array only on failure.\n\n BUG: memory leak\n unreferenced object 0xffff88810963a800 (size 2048):\n  comm \"syz-executor025\", pid 3610, jiffies 4294944928 (age 8.080s)\n  hex dump (first 32 bytes):\n    00 00 00 00 00 00 00 00 00 00 00 00 0d 00 00 00  ................\n    47 65 6e 75 6e 74 65 6c 69 6e 65 49 00 00 00 00  GenuntelineI....\n  backtrace:\n    [<ffffffff814948ee>] kmalloc_node include/linux/slab.h:604 [inline]\n    [<ffffffff814948ee>] kvmalloc_node+0x3e/0x100 mm/util.c:580\n    [<ffffffff814950f2>] kvmalloc include/linux/slab.h:732 [inline]\n    [<ffffffff814950f2>] vmemdup_user+0x22/0x100 mm/util.c:199\n    [<ffffffff8109f5ff>] kvm_vcpu_ioctl_set_cpuid2+0x8f/0xf0 arch/x86/kvm/cpuid.c:423\n    [<ffffffff810711b9>] kvm_arch_vcpu_ioctl+0xb99/0x1e60 arch/x86/kvm/x86.c:5251\n    [<ffffffff8103e92d>] kvm_vcpu_ioctl+0x4ad/0x950 arch/x86/kvm/../../../virt/kvm/kvm_main.c:4066\n    [<ffffffff815afacc>] vfs_ioctl fs/ioctl.c:51 [inline]\n    [<ffffffff815afacc>] __do_sys_ioctl fs/ioctl.c:874 [inline]\n    [<ffffffff815afacc>] __se_sys_ioctl fs/ioctl.c:860 [inline]\n    [<ffffffff815afacc>] __x64_sys_ioctl+0xfc/0x140 fs/ioctl.c:860\n    [<ffffffff844a3335>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]\n    [<ffffffff844a3335>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80\n    [<ffffffff84600068>] entry_SYSCALL_64_after_hwframe+0x44/0xae"},{"lang":"es","value":"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: KVM: x86: Libere la matriz kvm_cpuid_entry2 en KVM_RUN KVM_SET_CPUID{,2} posterior a KVM_RUN KVM_SET_CPUID{,2} Libere la matriz \"struct kvm_cpuid_entry2\" en KVM_RUN KVM_SET_CPUID{,2} posterior a éxito para corregir una pérdida de memoria , las personas que llaman a kvm_set_cpuid() liberan la matriz solo en caso de falla. ERROR: pérdida de memoria, objeto sin referencia 0xffff88810963a800 (size 2048): comm \"syz-executor025\", pid 3610, jiffies 4294944928 (age 8.080s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 0d 00 00 00 ................ 47 65 6e 75 6e 74 65 6c 69 6e 65 49 00 00 00 00 GenuntelineI.... backtrace: [] kmalloc_node include/linux/slab.h:604 [inline] [] kvmalloc_node+0x3e/0x100 mm/util.c:580 [] kvmalloc include/linux/slab.h:732 [inline] [] vmemdup_user+0x22/0x100 mm/util.c:199 [] kvm_vcpu_ioctl_set_cpuid2+0x8f/0xf0 arch/x86/kvm/cpuid.c:423 [] kvm_arch_vcpu_ioctl+0xb99/0x1e60 arch/x86/kvm/x86.c:5251 [] kvm_vcpu_ioctl+0x4ad/0x950 arch/x86/kvm/../../../virt/kvm/kvm_main.c:4066 [] vfs_ioctl fs/ioctl.c:51 [inline] [] __do_sys_ioctl fs/ioctl.c:874 [inline] [] __se_sys_ioctl fs/ioctl.c:860 [inline] [] __x64_sys_ioctl+0xfc/0x140 fs/ioctl.c:860 [] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [] entry_SYSCALL_64_after_hwframe+0x44/0xae "}],"metrics":{"cvssMetricV31":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"LOW"},"exploitabilityScore":1.8,"impactScore":3.4}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-401"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16.3","versionEndExcluding":"5.16.5","matchCriteriaId":"216FBB0D-54A9-4964-A98D-0413F8FF051F"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/811f95ff95270e6048197821434d9301e3d7f07c","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/b9ee734a14bb685b2088f2176d82b34cb4e30dbc","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/811f95ff95270e6048197821434d9301e3d7f07c","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/b9ee734a14bb685b2088f2176d82b34cb4e30dbc","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]}]}}]}