CVE-2022-49611

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.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
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

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:5.19:rc1::::::
	cpe:2.3:o:linux:linux_kernel:5.19:rc2::::::
	cpe:2.3:o:linux:linux_kernel:5.19:rc3::::::
	cpe:2.3:o:linux:linux_kernel:5.19:rc4::::::
	cpe:2.3:o:linux:linux_kernel:5.19:rc5::::::
	cpe:2.3:o:linux:linux_kernel:5.19:rc6::::::

History

No history.

Information

Published : 2025-02-26 07:01

Updated : 2025-10-23 12:08

NVD link : CVE-2022-49611

Mitre link : CVE-2022-49611

CVE.ORG link : CVE-2022-49611

JSON object : View

Products Affected

linux

linux_kernel

CWE

NVD-CWE-noinfo

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