UBUNTU-CVE-2025-37849
In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Tear down vGIC on failed vCPU creation If kvm_arch_vcpu_create() fails to share the vCPU page with the hypervisor, we propagate the error back to the ioctl but leave the vGIC vCPU data initialised. Note only does this leak the corresponding memory when the vCPU is destroyed but it can also lead to use-after-free if the redistributor device handling tries to walk into the vCPU. Add the missing cleanup to kvm_arch_vcpu_create(), ensuring that the vGIC vCPU structures are destroyed on error.
02 / AFFECTED SOFTWARE
Affected packages
11 explicit affected versions
48 explicit affected versions
111 explicit affected versions
81 explicit affected versions
50 explicit affected versions
6 explicit affected versions
12 explicit affected versions
19 explicit affected versions
6 explicit affected versions
91 explicit affected versions
24 explicit affected versions
76 explicit affected versions
76 explicit affected versions
86 explicit affected versions
79 explicit affected versions
71 explicit affected versions
10 explicit affected versions
28 explicit affected versions
26 explicit affected versions
83 explicit affected versions
7 explicit affected versions
78 explicit affected versions
32 explicit affected versions
13 explicit affected versions
80 explicit affected versions
35 explicit affected versions
35 explicit affected versions
43 explicit affected versions
41 explicit affected versions
18 explicit affected versions
35 explicit affected versions
112 explicit affected versions
64 explicit affected versions
37 explicit affected versions
116 explicit affected versions
13 explicit affected versions
4 explicit affected versions
23 explicit affected versions
43 explicit affected versions
119 explicit affected versions
1 explicit affected versions
1 explicit affected versions
21 explicit affected versions
9 explicit affected versions
16 explicit affected versions
10 explicit affected versions
71 explicit affected versions
39 explicit affected versions
8 explicit affected versions
7 explicit affected versions
12 explicit affected versions
7 explicit affected versions
12 explicit affected versions
14 explicit affected versions
10 explicit affected versions
1 explicit affected versions
7 explicit affected versions
9 explicit affected versions
99 explicit affected versions
12 explicit affected versions
102 explicit affected versions
12 explicit affected versions
32 explicit affected versions
37 explicit affected versions
23 explicit affected versions
25 explicit affected versions
10 explicit affected versions
37 explicit affected versions
10 explicit affected versions
13 explicit affected versions
31 explicit affected versions
10 explicit affected versions
58 explicit affected versions
1 explicit affected versions
26 explicit affected versions
3 explicit affected versions
13 explicit affected versions
30 explicit affected versions
1 explicit affected versions
29 explicit affected versions
106 explicit affected versions
13 explicit affected versions
88 explicit affected versions
32 explicit affected versions
32 explicit affected versions
1 explicit affected versions
97 explicit affected versions
83 explicit affected versions
46 explicit affected versions
33 explicit affected versions
23 explicit affected versions
52 explicit affected versions
10 explicit affected versions
11 explicit affected versions
10 explicit affected versions
110 explicit affected versions
11 explicit affected versions
12 explicit affected versions
133 explicit affected versions
7 explicit affected versions
12 explicit affected versions
68 explicit affected versions
125 explicit affected versions
84 explicit affected versions
147 explicit affected versions
10 explicit affected versions
26 explicit affected versions
31 explicit affected versions
1 explicit affected versions
60 explicit affected versions
26 explicit affected versions
38 explicit affected versions
13 explicit affected versions
37 explicit affected versions
133 explicit affected versions
74 explicit affected versions
16 explicit affected versions
82 explicit affected versions
41 explicit affected versions
3 explicit affected versions
127 explicit affected versions
87 explicit affected versions
1 explicit affected versions
7 explicit affected versions
2 explicit affected versions
51 explicit affected versions
86 explicit affected versions
18 explicit affected versions
33 explicit affected versions
12 explicit affected versions
66 explicit affected versions
71 explicit affected versions
27 explicit affected versions
57 explicit affected versions
116 explicit affected versions
1 explicit affected versions
1 explicit affected versions
91 explicit affected versions
34 explicit affected versions
8 explicit affected versions
48 explicit affected versions
5 explicit affected versions
3 explicit affected versions
8 explicit affected versions
1 explicit affected versions
10 explicit affected versions
7 explicit affected versions
37 explicit affected versions
13 explicit affected versions
105 explicit affected versions
13 explicit affected versions
67 explicit affected versions
7 explicit affected versions
8 explicit affected versions
88 explicit affected versions
10 explicit affected versions
12 explicit affected versions
31 explicit affected versions
104 explicit affected versions
75 explicit affected versions
51 explicit affected versions
44 explicit affected versions
16 explicit affected versions
3 explicit affected versions
13 explicit affected versions
26 explicit affected versions
45 explicit affected versions
37 explicit affected versions
42 explicit affected versions
14 explicit affected versions
38 explicit affected versions
9 explicit affected versions
11 explicit affected versions
30 explicit affected versions
13 explicit affected versions
84 explicit affected versions
8 explicit affected versions
7 explicit affected versions
137 explicit affected versions
116 explicit affected versions
4 explicit affected versions
73 explicit affected versions
1 explicit affected versions
1 explicit affected versions
1 explicit affected versions
82 explicit affected versions
107 explicit affected versions
73 explicit affected versions
72 explicit affected versions
13 explicit affected versions
43 explicit affected versions
72 explicit affected versions
114 explicit affected versions
161 explicit affected versions
10 explicit affected versions
8 explicit affected versions
36 explicit affected versions
84 explicit affected versions
14 explicit affected versions
4 explicit affected versions
78 explicit affected versions
11 explicit affected versions
1 explicit affected versions
63 explicit affected versions
118 explicit affected versions
10 explicit affected versions
30 explicit affected versions
72 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Tear down vGIC on failed vCPU creation If kvm_arch_vcpu_create() fails to share the vCPU page with the hypervisor, we propagate the error back to the ioctl but leave the vGIC vCPU data initialised. Note only does this leak the corresponding memory when the vCPU is destroyed but it can also lead to use-after-free if the redistributor device handling tries to walk into the vCPU. Add the missing cleanup to kvm_arch_vcpu_create(), ensuring that the vGIC vCPU structures are destroyed on error.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/250f25367b58d8c65a1b060a2dda037eea09a672
- https://git.kernel.org/stable/c/07476e0d932afc53c05468076393ac35d0b4999e
- https://git.kernel.org/stable/c/2480326eba8ae9ccc5e4c3c2dc8d407db68e3c52
- https://git.kernel.org/stable/c/250f25367b58d8c65a1b060a2dda037eea09a672
- https://git.kernel.org/stable/c/5085e02362b9948f82fceca979b8f8e12acb1cc5
- https://git.kernel.org/stable/c/c322789613407647a05ff5c451a7bf545fb34e73
- https://git.kernel.org/stable/c/f1e9087abaeedec9bf2894a282ee4f0d8383f299
- https://ubuntu.com/security/CVE-2025-37849
- https://ubuntu.com/security/notices/USN-7594-1
- https://ubuntu.com/security/notices/USN-7594-2
- https://ubuntu.com/security/notices/USN-7594-3
- https://ubuntu.com/security/notices/USN-8028-1
- https://ubuntu.com/security/notices/USN-8028-2
- https://ubuntu.com/security/notices/USN-8028-3
- https://ubuntu.com/security/notices/USN-8028-4
- https://ubuntu.com/security/notices/USN-8028-5
- https://ubuntu.com/security/notices/USN-8028-6
- https://ubuntu.com/security/notices/USN-8028-7
- https://ubuntu.com/security/notices/USN-8028-8
- https://ubuntu.com/security/notices/USN-8031-1
- https://ubuntu.com/security/notices/USN-8031-2
- https://ubuntu.com/security/notices/USN-8031-3
- https://ubuntu.com/security/notices/USN-8052-1
- https://ubuntu.com/security/notices/USN-8052-2
- https://ubuntu.com/security/notices/USN-8074-1
- https://ubuntu.com/security/notices/USN-8074-2
- https://ubuntu.com/security/notices/USN-8126-1
- https://ubuntu.com/security/notices/USN-8145-1
- https://ubuntu.com/security/notices/USN-8145-2
- https://ubuntu.com/security/notices/USN-8145-3
- https://ubuntu.com/security/notices/USN-8145-4
- https://ubuntu.com/security/notices/USN-8145-5
- https://ubuntu.com/security/notices/USN-8159-1
- https://ubuntu.com/security/notices/USN-8159-2
- https://ubuntu.com/security/notices/USN-8159-3
- https://ubuntu.com/security/notices/USN-8162-1
- https://ubuntu.com/security/notices/USN-8163-1
- https://ubuntu.com/security/notices/USN-8163-2
- https://ubuntu.com/security/notices/USN-8164-1
- https://ubuntu.com/security/notices/USN-8188-1
- https://ubuntu.com/security/notices/USN-8200-1
- https://ubuntu.com/security/notices/USN-8200-2
- https://ubuntu.com/security/notices/USN-8200-3
- https://ubuntu.com/security/notices/USN-8201-1
- https://ubuntu.com/security/notices/USN-8224-1
- https://ubuntu.com/security/notices/USN-8243-1
- https://ubuntu.com/security/notices/USN-8267-1
- https://www.cve.org/CVERecord?id=CVE-2025-37849