CVE-2022-48764
published 2024-06-20CVE-2022-48764: In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Free kvm_cpuid_entry2 array on post-KVM_RUN KVM_SET_CPUID{,2} Free the "struct…
PriorityP422medium5.3CVSS 3.1
AVLACLPRLUINSUCLILAL
EPSS
0.18%
7.6th percentile
In the Linux kernel, the following vulnerability has been resolved:
KVM: x86: Free kvm_cpuid_entry2 array on post-KVM_RUN KVM_SET_CPUID{,2}
Free the "struct kvm_cpuid_entry2" array on successful post-KVM_RUN
KVM_SET_CPUID{,2} to fix a memory leak, the callers of kvm_set_cpuid()
free the array only on failure.
BUG: memory leak
unreferenced object 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
Affected
8 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 5.16.7-1 (bookworm) | linux 5.16.7-1 (bookworm) |
| linux | linux | >= 24e7590c60aa9487b8e43583dc9885f62f8216c1 < b9ee734a14bb685b2088f2176d82b34cb4e30dbc | b9ee734a14bb685b2088f2176d82b34cb4e30dbc |
| linux | linux | >= 5.16.3 < 5.16.5 | 5.16.5 |
| linux | linux | >= c6617c61e8fe44b9e9fdfede921f61cac6b5149d < 811f95ff95270e6048197821434d9301e3d7f07c | 811f95ff95270e6048197821434d9301e3d7f07c |
| linux | linux_kernel | >= 0 < 5.16.7-1 | 5.16.7-1 |
| linux | linux_kernel | >= 0 < 5.16.7-1 | 5.16.7-1 |
| linux | linux_kernel | >= 0 < 5.16.7-1 | 5.16.7-1 |
| linux | linux_kernel | >= 5.16.3 < 5.16.5 | 5.16.5 |
CVSS provenance
nvdv3.15.3MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
osv5.3MEDIUM
vendor_debian5.3MEDIUM
vendor_redhat5.3MEDIUM
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Red Hat
kernel: KVM: x86: Free kvm_cpuid_entry2 array on post-KVM_RUN KVM_SET_CPUID{,2}
vendor_redhat·2024-06-20·CVSS 5.3
CVE-2022-48764 [MEDIUM] kernel: KVM: x86: Free kvm_cpuid_entry2 array on post-KVM_RUN KVM_SET_CPUID{,2}
kernel: KVM: x86: Free kvm_cpuid_entry2 array on post-KVM_RUN KVM_SET_CPUID{,2}
In the Linux kernel, the following vulnerability has been resolved:
KVM: x86: Free kvm_cpuid_entry2 array on post-KVM_RUN KVM_SET_CPUID{,2}
Free the "struct kvm_cpuid_entry2" array on successful post-KVM_RUN
KVM_SET_CPUID{,2} to fix a memory leak, the callers of kvm_set_cpuid()
free the array only on failure.
BUG: memory leak
unreferenced object 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 i
Debian
CVE-2022-48764: linux - In the Linux kernel, the following vulnerability has been resolved: KVM: x86: F...
vendor_debian·2022·CVSS 5.3
CVE-2022-48764 [MEDIUM] CVE-2022-48764: linux - In the Linux kernel, the following vulnerability has been resolved: KVM: x86: F...
In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Free kvm_cpuid_entry2 array on post-KVM_RUN KVM_SET_CPUID{,2} Free the "struct kvm_cpuid_entry2" array on successful post-KVM_RUN KVM_SET_CPUID{,2} to fix a memory leak, the callers of kvm_set_cpuid() free the array only on failure. BUG: memory leak unreferenced object 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_
GHSA
GHSA-v7qr-4h7w-77cm: In the Linux kernel, the following vulnerability has been resolved:
KVM: x86: Free kvm_cpuid_entry2 array on post-KVM_RUN KVM_SET_CPUID{,2}
Free the
ghsa_unreviewed·2024-06-20
CVE-2022-48764 [MEDIUM] CWE-401 GHSA-v7qr-4h7w-77cm: In the Linux kernel, the following vulnerability has been resolved:
KVM: x86: Free kvm_cpuid_entry2 array on post-KVM_RUN KVM_SET_CPUID{,2}
Free the
In the Linux kernel, the following vulnerability has been resolved:
KVM: x86: Free kvm_cpuid_entry2 array on post-KVM_RUN KVM_SET_CPUID{,2}
Free the "struct kvm_cpuid_entry2" array on successful post-KVM_RUN
KVM_SET_CPUID{,2} to fix a memory leak, the callers of kvm_set_cpuid()
free the array only on failure.
BUG: memory leak
unreferenced object 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
[] k
OSV
CVE-2022-48764: In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Free kvm_cpuid_entry2 array on post-KVM_RUN KVM_SET_CPUID{,2} Free the "
osv·2024-06-20·CVSS 5.3
CVE-2022-48764 [MEDIUM] CVE-2022-48764: In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Free kvm_cpuid_entry2 array on post-KVM_RUN KVM_SET_CPUID{,2} Free the "
In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Free kvm_cpuid_entry2 array on post-KVM_RUN KVM_SET_CPUID{,2} Free the "struct kvm_cpuid_entry2" array on successful post-KVM_RUN KVM_SET_CPUID{,2} to fix a memory leak, the callers of kvm_set_cpuid() free the array only on failure. BUG: memory leak unreferenced object 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_
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2024-06-20
Published