CVEvulnerability
CVE-2022-49611
5.5 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2025-02-26
- Last modified
- 2026-06-17
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Description
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 configurations
• linux linux kernel (< 4.14.297)
• linux linux kernel (>= 4.15 < 4.19.266)
• linux linux kernel (>= 4.20 < 5.4.217)
• linux linux kernel (>= 5.5 < 5.10.133)
• linux linux kernel (>= 5.11 < 5.15.57)
• linux linux kernel (>= 5.16 < 5.18.14)
• linux linux kernel 5.19
References
- https://git.kernel.org/stable/c/17a9fc4a7b91f8599223631bb6ae6416bc0de1c0 Patch
- https://git.kernel.org/stable/c/3d323b99ff5c8c57005184056d65f6af5b0479d8 Patch
- https://git.kernel.org/stable/c/4d7f72b6e1bc630bec7e4cd51814bc2b092bf153 Patch
- https://git.kernel.org/stable/c/8c38306e2e9257af4af2819aa287a4711ff36329 Patch
- https://git.kernel.org/stable/c/8d5cff499a6d740c91ff37963907e0e983c37f0f Patch
- https://git.kernel.org/stable/c/9756bba28470722dacb79ffce554336dd1f6a6cd Patch
- https://git.kernel.org/stable/c/f744b88dfc201bf8092833ec70b23c720188b527 Patch