UBUNTU-CVE-2022-29901
Intel microprocessor generations 6 to 8 are affected by a new Spectre variant that is able to bypass their retpoline mitigation in the kernel to leak arbitrary data. An attacker with unprivileged user access can hijack return instructions to achieve arbitrary speculative code execution under certain microarchitecture-dependent conditions.
02 / AFFECTED SOFTWARE
Affected packages
3 explicit affected versions
7 explicit affected versions
50 explicit affected versions
6 explicit affected versions
12 explicit affected versions
6 explicit affected versions
15 explicit affected versions
57 explicit affected versions
1 explicit affected versions
28 explicit affected versions
11 explicit affected versions
3 explicit affected versions
8 explicit affected versions
191 explicit affected versions
95 explicit affected versions
9 explicit affected versions
54 explicit affected versions
74 explicit affected versions
45 explicit affected versions
35 explicit affected versions
1 explicit affected versions
108 explicit affected versions
13 explicit affected versions
4 explicit affected versions
23 explicit affected versions
86 explicit affected versions
1 explicit affected versions
1 explicit affected versions
21 explicit affected versions
16 explicit affected versions
12 explicit affected versions
7 explicit affected versions
12 explicit affected versions
1 explicit affected versions
12 explicit affected versions
1 explicit affected versions
7 explicit affected versions
12 explicit affected versions
59 explicit affected versions
18 explicit affected versions
67 explicit affected versions
12 explicit affected versions
56 explicit affected versions
49 explicit affected versions
10 explicit affected versions
152 explicit affected versions
37 explicit affected versions
85 explicit affected versions
71 explicit affected versions
1 explicit affected versions
3 explicit affected versions
26 explicit affected versions
13 explicit affected versions
1 explicit affected versions
29 explicit affected versions
13 explicit affected versions
88 explicit affected versions
12 explicit affected versions
1 explicit affected versions
11 explicit affected versions
59 explicit affected versions
33 explicit affected versions
14 explicit affected versions
10 explicit affected versions
73 explicit affected versions
11 explicit affected versions
12 explicit affected versions
96 explicit affected versions
7 explicit affected versions
57 explicit affected versions
2 explicit affected versions
2 explicit affected versions
9 explicit affected versions
91 explicit affected versions
55 explicit affected versions
26 explicit affected versions
12 explicit affected versions
3 explicit affected versions
1 explicit affected versions
25 explicit affected versions
36 explicit affected versions
49 explicit affected versions
12 explicit affected versions
3 explicit affected versions
1 explicit affected versions
1 explicit affected versions
54 explicit affected versions
5 explicit affected versions
48 explicit affected versions
1 explicit affected versions
46 explicit affected versions
13 explicit affected versions
13 explicit affected versions
50 explicit affected versions
4 explicit affected versions
10 explicit affected versions
12 explicit affected versions
43 explicit affected versions
44 explicit affected versions
16 explicit affected versions
13 explicit affected versions
37 explicit affected versions
38 explicit affected versions
3 explicit affected versions
9 explicit affected versions
2 explicit affected versions
129 explicit affected versions
10 explicit affected versions
47 explicit affected versions
63 explicit affected versions
24 explicit affected versions
101 explicit affected versions
80 explicit affected versions
4 explicit affected versions
36 explicit affected versions
7 explicit affected versions
72 explicit affected versions
46 explicit affected versions
43 explicit affected versions
13 explicit affected versions
108 explicit affected versions
123 explicit affected versions
47 explicit affected versions
4 explicit affected versions
36 explicit affected versions
1 explicit affected versions
26 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Intel microprocessor generations 6 to 8 are affected by a new Spectre variant that is able to bypass their retpoline mitigation in the kernel to leak arbitrary data. An attacker with unprivileged user access can hijack return instructions to achieve arbitrary speculative code execution under certain microarchitecture-dependent conditions.
05 / REFERENCES
Further evidence
- https://community.intel.com/t5/Blogs/Products-and-Solutions/Security/Chips-Salsa-Episode-21-July-2022-Security-Advisories-Retbleed/post/1399055
- https://ubuntu.com/security/CVE-2022-29901
- https://ubuntu.com/security/notices/USN-5564-1
- https://ubuntu.com/security/notices/USN-5565-1
- https://ubuntu.com/security/notices/USN-5566-1
- https://ubuntu.com/security/notices/USN-5728-1
- https://ubuntu.com/security/notices/USN-5728-2
- https://ubuntu.com/security/notices/USN-5728-3
- https://ubuntu.com/security/notices/USN-5854-1
- https://ubuntu.com/security/notices/USN-5861-1
- https://ubuntu.com/security/notices/USN-5862-1
- https://ubuntu.com/security/notices/USN-5865-1
- https://ubuntu.com/security/notices/USN-5883-1
- https://ubuntu.com/security/notices/USN-5924-1
- https://ubuntu.com/security/notices/USN-5975-1
- https://ubuntu.com/security/notices/USN-6007-1
- https://ubuntu.com/security/notices/USN-6221-1
- https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/Retbleed
- https://www.cve.org/CVERecord?id=CVE-2022-29901
- https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/advisory-guidance/return-stack-buffer-underflow.html
- https://www.intel.com/content/www/us/en/developer/topic-technology/software-security-guidance/processors-affected-consolidated-product-cpu-model.html
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00702.html
- https://xenbits.xen.org/xsa/advisory-407.html