CVE-2022-49670
7.5 · HIGHOverview
CVE-2022-49670 is a high-severity vulnerability affecting linux linux_kernel. 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 and patches from linux. Update linux_kernel to the latest patched version. 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.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| linux | linux_kernel | >= 5.3, < 5.4.204 | Affected |
References
Frequently Asked Questions
What is CVE-2022-49670?
CVE-2022-49670 is a high-severity vulnerability affecting linux linux_kernel. 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 and patches from linux. Update linux_kernel to the latest patched version. 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's AI-powered security agents can automatically detect CVE-2022-49670 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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