CVE-2022-49611
N/A
N/A
Summary
In the Linux kernel, the following vulnerability has been resolved:
x86/speculation: Fill RSB on vmexit for IBRS
Prevent RSB underflow/poisoning attacks with RSB. While at it, add a bunch of comments to attempt to document the current state of tribal knowledge about RSB attacks and what exactly is being mitigated.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | b9cdaaf0a3becc52e8b4662fef28c452c4f009b4 < 3d323b99ff5c8c57005184056d65f6af5b0479d8 | affected |
| Linux | Linux | 117cc7a908c83697b0b737d15ae1eb5943afe35b < f744b88dfc201bf8092833ec70b23c720188b527 | affected |
| Linux | Linux | 117cc7a908c83697b0b737d15ae1eb5943afe35b < 17a9fc4a7b91f8599223631bb6ae6416bc0de1c0 | affected |
| Linux | Linux | 117cc7a908c83697b0b737d15ae1eb5943afe35b < 4d7f72b6e1bc630bec7e4cd51814bc2b092bf153 | affected |
| Linux | Linux | 117cc7a908c83697b0b737d15ae1eb5943afe35b < 8d5cff499a6d740c91ff37963907e0e983c37f0f | affected |
| Linux | Linux | 117cc7a908c83697b0b737d15ae1eb5943afe35b < 8c38306e2e9257af4af2819aa287a4711ff36329 | affected |
| Linux | Linux | 117cc7a908c83697b0b737d15ae1eb5943afe35b < 9756bba28470722dacb79ffce554336dd1f6a6cd | affected |
| Linux | Linux | 68d1f7a3f1a35639a563bbad768d5df885b4ff05 | affected |
| Linux | Linux | 20e080e2752d108388d386ecc0b33d7797dfb18f | affected |
| Linux | Linux | eebc3f8adee0a6f43a4789ef0bf5c5b35de8cfe4 | affected |
| Linux | Linux | c1ddd99a029636e234a800f28790a60d6ac0318f | affected |
| Linux | Linux | 4.14.14 < 4.14.297 | affected |
| Linux | Linux | 3.2.101 < 3.3 | affected |
| Linux | Linux | 3.16.56 < 3.17 | affected |
| Linux | Linux | 4.4.113 < 4.5 | affected |
| Linux | Linux | 4.9.77 < 4.10 | affected |
| Linux | Linux | 4.15 | affected |
| Linux | Linux | 0 < 4.15 | unaffected |
| Linux | Linux | 4.14.297 <= 4.14.* | unaffected |
| Linux | Linux | 4.19.266 <= 4.19.* | unaffected |
| Linux | Linux | 5.4.217 <= 5.4.* | unaffected |
| Linux | Linux | 5.10.133 <= 5.10.* | unaffected |
| Linux | Linux | 5.15.57 <= 5.15.* | unaffected |
| Linux | Linux | 5.18.14 <= 5.18.* | unaffected |
| Linux | Linux | 5.19 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/3d323b99ff5c8c57005184056d65f6af5b0479d8
- https://git.kernel.org/stable/c/f744b88dfc201bf8092833ec70b23c720188b527
- https://git.kernel.org/stable/c/17a9fc4a7b91f8599223631bb6ae6416bc0de1c0
- https://git.kernel.org/stable/c/4d7f72b6e1bc630bec7e4cd51814bc2b092bf153
- https://git.kernel.org/stable/c/8d5cff499a6d740c91ff37963907e0e983c37f0f
- https://git.kernel.org/stable/c/8c38306e2e9257af4af2819aa287a4711ff36329
- https://git.kernel.org/stable/c/9756bba28470722dacb79ffce554336dd1f6a6cd
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