UBUNTU-CVE-2023-3006
A known cache speculation vulnerability, known as Branch History Injection (BHI) or Spectre-BHB, becomes actual again for the new hw AmpereOne. Spectre-BHB is similar to Spectre v2, except that malicious code uses the shared branch history (stored in the CPU Branch History Buffer, or BHB) to influence mispredicted branches within the victim's hardware context. Once that occurs, speculation caused by the mispredicted branches can cause cache allocation. This issue leads to obtaining information that should not be accessible.
02 / AFFECTED SOFTWARE
Affected packages
15 explicit affected versions
50 explicit affected versions
6 explicit affected versions
12 explicit affected versions
6 explicit affected versions
24 explicit affected versions
57 explicit affected versions
10 explicit affected versions
50 explicit affected versions
21 explicit affected versions
10 explicit affected versions
16 explicit affected versions
191 explicit affected versions
7 explicit affected versions
18 explicit affected versions
76 explicit affected versions
58 explicit affected versions
35 explicit affected versions
7 explicit affected versions
89 explicit affected versions
5 explicit affected versions
78 explicit affected versions
13 explicit affected versions
4 explicit affected versions
121 explicit affected versions
23 explicit affected versions
1 explicit affected versions
1 explicit affected versions
21 explicit affected versions
16 explicit affected versions
33 explicit affected versions
7 explicit affected versions
12 explicit affected versions
9 explicit affected versions
12 explicit affected versions
1 explicit affected versions
7 explicit affected versions
67 explicit affected versions
12 explicit affected versions
81 explicit affected versions
89 explicit affected versions
12 explicit affected versions
78 explicit affected versions
120 explicit affected versions
10 explicit affected versions
37 explicit affected versions
1 explicit affected versions
19 explicit affected versions
26 explicit affected versions
13 explicit affected versions
144 explicit affected versions
1 explicit affected versions
29 explicit affected versions
70 explicit affected versions
13 explicit affected versions
21 explicit affected versions
1 explicit affected versions
65 explicit affected versions
20 explicit affected versions
81 explicit affected versions
33 explicit affected versions
23 explicit affected versions
10 explicit affected versions
188 explicit affected versions
87 explicit affected versions
11 explicit affected versions
12 explicit affected versions
110 explicit affected versions
7 explicit affected versions
80 explicit affected versions
2 explicit affected versions
10 explicit affected versions
4 explicit affected versions
103 explicit affected versions
18 explicit affected versions
165 explicit affected versions
123 explicit affected versions
26 explicit affected versions
15 explicit affected versions
110 explicit affected versions
39 explicit affected versions
2 explicit affected versions
21 explicit affected versions
11 explicit affected versions
3 explicit affected versions
64 explicit affected versions
1 explicit affected versions
46 explicit affected versions
51 explicit affected versions
63 explicit affected versions
12 explicit affected versions
10 explicit affected versions
1 explicit affected versions
1 explicit affected versions
1 explicit affected versions
67 explicit affected versions
8 explicit affected versions
5 explicit affected versions
8 explicit affected versions
1 explicit affected versions
69 explicit affected versions
13 explicit affected versions
34 explicit affected versions
7 explicit affected versions
65 explicit affected versions
13 explicit affected versions
10 explicit affected versions
12 explicit affected versions
68 explicit affected versions
44 explicit affected versions
16 explicit affected versions
13 explicit affected versions
26 explicit affected versions
7 explicit affected versions
37 explicit affected versions
38 explicit affected versions
11 explicit affected versions
9 explicit affected versions
11 explicit affected versions
1 explicit affected versions
19 explicit affected versions
97 explicit affected versions
40 explicit affected versions
114 explicit affected versions
93 explicit affected versions
4 explicit affected versions
86 explicit affected versions
43 explicit affected versions
35 explicit affected versions
137 explicit affected versions
10 explicit affected versions
69 explicit affected versions
4 explicit affected versions
58 explicit affected versions
1 explicit affected versions
40 explicit affected versions
9 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
A known cache speculation vulnerability, known as Branch History Injection (BHI) or Spectre-BHB, becomes actual again for the new hw AmpereOne. Spectre-BHB is similar to Spectre v2, except that malicious code uses the shared branch history (stored in the CPU Branch History Buffer, or BHB) to influence mispredicted branches within the victim's hardware context. Once that occurs, speculation caused by the mispredicted branches can cause cache allocation. This issue leads to obtaining information that should not be accessible.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/0e5d5ae837c8ce04d2ddb874ec5f920118bd9d31
- https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git/commit/?id=0e5d5ae837c8
- https://ubuntu.com/security/CVE-2023-3006
- https://ubuntu.com/security/notices/USN-6548-1
- https://ubuntu.com/security/notices/USN-6548-2
- https://ubuntu.com/security/notices/USN-6548-3
- https://ubuntu.com/security/notices/USN-6548-4
- https://ubuntu.com/security/notices/USN-6548-5
- https://ubuntu.com/security/notices/USN-6701-1
- https://ubuntu.com/security/notices/USN-6701-2
- https://ubuntu.com/security/notices/USN-6701-3
- https://ubuntu.com/security/notices/USN-6701-4
- https://www.cve.org/CVERecord?id=CVE-2023-3006