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CVE-2022-49670

7.5 · HIGH

In the Linux kernel, the following vulnerability has been resolved: linux/dim: Fix divide by 0 in RDMA DIM Fix a divide 0 error in rdma_dim_stats_compare() when prev->cpe_ratio == 0.

Published Feb 26, 2025CWE-369EPSS 0.72%

Overview

CVE-2022-49670 is a high-severity vulnerability. It was published on February 26, 2025 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

linux/dim: Fix divide by 0 in RDMA DIM

Fix a divide 0 error in rdma_dim_stats_compare() when prev->cpe_ratio ==

0.

CallTrace:

Hardware name: H3C R4900 G3/RS33M2C9S, BIOS 2.00.37P21 03/12/2020

task: ffff880194b78000 task.stack: ffffc90006714000

RIP: 0010:backport_rdma_dim+0x10e/0x240 [mlx_compat]

RSP: 0018:ffff880c10e83ec0 EFLAGS: 00010202

RAX: 0000000000002710 RBX: ffff88096cd7f780 RCX: 0000000000000064

RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001

RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000

R10: 0000000000000000 R11: 0000000000000000 R12: 000000001d7c6c09

R13: ffff88096cd7f780 R14: ffff880b174fe800 R15: 0000000000000000

FS: 0000000000000000(0000) GS:ffff880c10e80000(0000)

knlGS:0000000000000000

CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033

CR2: 00000000a0965b00 CR3: 000000000200a003 CR4: 00000000007606e0

DR0: 0000000000000000 DR1: 0000000000

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/0b6e0eb5c45e79e9095de2498cc0ca5ec563fc5eRefgit.kernel.org/stable/c/0fe3dbbefb74a8575f61d7801b08dbc50523d60dRefgit.kernel.org/stable/c/5af106f8e072aebd88b95e164a08fa320651a99aRefgit.kernel.org/stable/c/7c1963391af51ee322378d1b2849c60e9037f069Refgit.kernel.org/stable/c/fae2a9fb1eaf348ad8732f90d42ebbb971bd7e95

How CyberStrike helps

Frequently asked questions

What is CVE-2022-49670?

CVE-2022-49670 is a high-severity vulnerability. It was published on February 26, 2025 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2022-49670?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2022-49670?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-49670?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-49670 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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