CVE-2022-29901
Arbitrary Memory Disclosure through CPU Side-Channel Attacks (Retbleed)
- State
- Published
- Severity
- 5.6 Medium
- Published
- Jul 12, 2022
- Updated
- Aug 3, 2024
- Reserved
- Apr 28, 2022
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.6 Medium | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N | intel |
Weaknesses
- CWE-200 Information Exposure
Affected Products
| Product | Versions |
|---|---|
Intel MicroprocessorsIntel |
|
References
- https://comsec.ethz.ch/retbleed
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00702.html
- [oss-security] 20220712 Xen Security Advisory 407 v1 (CVE-2022-23816,CVE-2022-23825,CVE-2022-29900) - Retbleed - arbitrary speculative code execution with return instructionsmailing-list
- [oss-security] 20220712 Re: Xen Security Advisory 407 v1 (CVE-2022-23816,CVE-2022-23825,CVE-2022-29900) - Retbleed - arbitrary speculative code execution with return instructionsmailing-list
- [oss-security] 20220712 Re: Xen Security Advisory 407 v1 (CVE-2022-23816,CVE-2022-23825,CVE-2022-29900) - Retbleed - arbitrary speculative code execution with return instructionsmailing-list
- [oss-security] 20220713 Re: Xen Security Advisory 407 v1 (CVE-2022-23816,CVE-2022-23825,CVE-2022-29900) - Retbleed - arbitrary speculative code execution with return instructionsmailing-list
- FEDORA-2022-c69ef9c1ddvendor-advisory
- FEDORA-2022-8aab5b5cdevendor-advisory
- DSA-5207vendor-advisory
- [debian-lts-announce] 20220911 [SECURITY] [DLA 3102-1] linux-5.10 new packagemailing-list
- https://security.netapp.com/advisory/ntap-20221007-0007/
- [debian-lts-announce] 20221223 [SECURITY] [DLA 3245-1] linux security updatemailing-list
- https://www.secpod.com/blog/retbleed-intel-and-amd-processor-information-disclosure-vulnerability/
- GLSA-202402-07vendor-advisory
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