CVE-2022-49208

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Prevent some integer underflows My static checker complains that: drivers/infiniband/hw/irdma/ctrl.c:3605 irdma_sc_ceq_init() warn: can subtract underflow 'info->dev->hmc_fpm_misc.max_ceqs'? It appears that "info->dev->hmc_fpm_misc.max_ceqs" comes from the firmware in irdma_sc_parse_fpm_query_buf() so, yes, there is a chance that it could be zero. Even if we trust the firmware, it's easy enough to change the condition just as a hardenning measure.

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/6f6dbb819dfc1a35bcb8b709b5c83a3ea8beff75	Patch
https://git.kernel.org/stable/c/7340c3675d7ac946f4019b84cd7c64ed542dfe4c	Patch
https://git.kernel.org/stable/c/d52dab6e03550f9c97121b0c11c0a3ed78ee76a4	Patch
https://git.kernel.org/stable/c/f21056f15bbeacab7b4b87af232f5599d1f2bff1	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::::::::

History

No history.

Information

Published : 2025-02-26 07:00

Updated : 2025-10-01 20:15

NVD link : CVE-2022-49208

Mitre link : CVE-2022-49208

CVE.ORG link : CVE-2022-49208

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-191

Integer Underflow (Wrap or Wraparound)

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