CVE-2022-49670

MEDIUMNVD 5.55.5—Trending — 5 sources updated this week

5.5

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 ==

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: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 PKRU: 55555554 Call Trace: ib_poll_handler+0x43/0x80 [ib_core] irq_poll_softirq+0xae/0x110 __do_softirq+0xd1/0x28c irq_exit+0xde/0xf0 do_IRQ+0x54/0xe0 common_interrupt+0x8f/0x8f ? cpuidle_enter_state+0xd9/0x2a0 ? cpuidle_enter_state+0xc7/0x2a0 ? do_idle+0x170/0x1d0 ? cpu_startup_entry+0x6f/0x80 ? start_secondary+0x1b9/0x210 ? secondary_startup_64+0xa5/0xb0 Code: 0f 87 e1 00 00 00 8b 4c 24 14 44 8b 43 14 89 c8 4d 63 c8 44 29 c0 99 31 d0 29 d0 31 d2 48 98 48 8d 04 80 48 8d 04 80 48 c1 e0 02 <49> f7 f1 48 83 f8 0a 0f 86 c1 00 00 00 44 39 c1 7f 10 48 89 df RIP: backport_rdma_dim+0x10e/0x240 [mlx_compat] RSP: ffff880c10e83ec0

CVSS v3: 5.5
EG Score: 5.5(medium)
EPSS: 17.5%
KEV: Not listed

Published

February 26, 2025

Last Modified

October 1, 2025

References (5)

416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0b6e0eb5c45e79e9095de2498cc0ca5ec563fc5e
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0fe3dbbefb74a8575f61d7801b08dbc50523d60d
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5af106f8e072aebd88b95e164a08fa320651a99a
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7c1963391af51ee322378d1b2849c60e9037f069
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/fae2a9fb1eaf348ad8732f90d42ebbb971bd7e95

Patch Availability(1)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
redhat	kernel-0:5.14.0-611.5.1.el9_7	2025-11-11	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-369Divide By Zero

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Red HatRHSA-2025:20518MODERATE2025-02-26
RHSA-2025:20518 — Moderate

Data Freshness Timeline

(refreshed 13× in last 7d / 13× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-30 10:43 UTCEG score recompute
2026-05-30 10:43 UTCVendor advisory
2026-05-30 10:43 UTCGHSA enrichment
2026-05-29 13:43 UTCepss_batch
2026-05-29 13:35 UTCOSV refresh

Frequently asked(5)

What is CVE-2022-49670?

CVE-2022-49670 is a medium vulnerability published on February 26, 2025. 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 rdmadimstatscompare() when prev->cperatio == 0. CallTrace: Hardware name: H3C R4900 G3/RS33M2C9S, BIOS 2.00.37P21 03/12/2020 task: ffff880194b78000 task.stack:…

When was CVE-2022-49670 disclosed?

CVE-2022-49670 was first published in the National Vulnerability Database on February 26, 2025, with the most recent update on October 1, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-49670 actively exploited?

CVE-2022-49670 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 17.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-49670?

CVE-2022-49670 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2022-49670?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-49670, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2022-49670

Published

Last Modified

References (5)

Patch Availability(1)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

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Is Your Infrastructure Affected by CVE-2022-49670?

Same vendor

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CVE-2022-49670

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🔄 Last Modified

🔗 References (5)

Patch Availability(1)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

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References (5)

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