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CVE-2022-49404· NVD / CVE Program· CNA Linux

RDMA/hfi1: Fix potential integer multiplication overflow errors

Noroxi assessment

Priority: Monitor (action score 22/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 0.27% (FIRST EPSS).
  • Someone with local access to the system can trigger it. A low-privileged account is enough. No user action is required. No special conditions are required; it is repeatable.
  • Fixed version: Linux Linux 06039d8afefdbac05bcea5f397188407eba2996d, 252f4afd4557a2e7075f793a5c80fe6dd9e9ee4a, 31dca00d0cc9f4133320d72eb7e3720badc6d6e6.

Low priority for now. Upgrade to Linux Linux 06039d8afefdbac05bcea5f397188407eba2996d, 252f4afd4557a2e7075f793a5c80fe6dd9e9ee4a, 31dca00d0cc9f4133320d72eb7e3720badc6d6e6 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

In the Linux kernel, the following vulnerability has been resolved: RDMA/hfi1: Fix potential integer multiplication overflow errors When multiplying of different types, an overflow is possible even when storing the result in a larger type. This is because the conversion is done after the multiplication. So arithmetic overflow and thus in incorrect value is possible. Correct an instance of this in the inter packet delay calculation. Fix by ensuring one of the operands is u64 which will promote the other to u64 as well ensuring no overflow.

MediumCVSS 5.5 · v3.1—No exploit Fix available
Published
Feb 26, 2025
Updated
Jun 17, 2026
EPSS
0.2% · 18th percentile

Report tools

JSON

Action score

22

Monitor

Low priority for now.

CVSS
22 / 40 · 5.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

If any of these changes, we'll tell you in the daily email digest.

Follow CVE-2022-49404

When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
linuxlinux kernel

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • linux linux kernel4.3 and later · before 4.9.318
  • linux linux kernel4.10 and later · before 4.14.283
  • linux linux kernel4.15 and later · before 4.19.247
  • linux linux kernel4.20 and later · before 5.4.198
  • linux linux kernel5.5 and later · before 5.10.121
  • linux linux kernel5.11 and later · before 5.15.46
  • linux linux kernel5.16 and later · before 5.17.14
  • linux linux kernel5.18 and later · before 5.18.3

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Linux). Independent of NVD's CPE analysis and usually ahead of it.

  • Linux Linux

    • 4.3affected
    • 7724105686e718ac476a6ad3304fea2fbcfcffde and later · before 252f4afd4557a2e7075f793a5c80fe6dd9e9ee4aaffected · git
    • 7724105686e718ac476a6ad3304fea2fbcfcffde and later · before a89cb7ddf6a89bab6012e19da38b7cdb26175c19affected · git
    • 7724105686e718ac476a6ad3304fea2fbcfcffde and later · before 79c164e61f818054cd6012e9035701840d895c51affected · git
    • 7724105686e718ac476a6ad3304fea2fbcfcffde and later · before 8858284dd74906fa00f04f0252c75df4893a7959affected · git
    • 7724105686e718ac476a6ad3304fea2fbcfcffde and later · before 31dca00d0cc9f4133320d72eb7e3720badc6d6e6affected · git
    • 7724105686e718ac476a6ad3304fea2fbcfcffde and later · before 3f09ec80f115d2875d747ed28adc1773037e0f8baffected · git
    • 7724105686e718ac476a6ad3304fea2fbcfcffde and later · before 06039d8afefdbac05bcea5f397188407eba2996daffected · git
    • 7724105686e718ac476a6ad3304fea2fbcfcffde and later · before ef5ab2e48a5f9960e2352332b7cdb7064bb49032affected · git
    • 7724105686e718ac476a6ad3304fea2fbcfcffde and later · before f93e91a0372c922c20d5bee260b0f43b4b8a1beeaffected · git

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 5.18.5-15.18.5-1

Same product

linux: all records

Other highest-scoring records for the same primary product.

  • CVE-2022-0847A flaw was found in the way the "flags" member of the new pipe buffer structure was lacking proper initialization in copy_page_to_iter_pipe KEV
    89Now
  • CVE-2021-22555Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACEKEV
    85Now
  • CVE-2016-5195Race condition in mm/gup.c in the Linux kernel 2.x through 4.x before 4.8.3 allows local users to gain privileges by leveraging incorrect haKEV
    83Now

Published before and after this one in the same product

  • ← EarlierCVE-2022-49402Feb 26, 2025 · ftrace: Clean up hash direct_functions on register failures
    22Monitor
  • ← EarlierCVE-2022-49403Feb 26, 2025 · lib/string_helpers: fix not adding strarray to device's resource list
    22Monitor
  • Later →CVE-2022-49405Feb 26, 2025 · staging: r8188eu: prevent ->Ssid overflow in rtw_wx_set_scan()
    22Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Linux Linux06039d8afefdbac05bcea5f397188407eba2996dVendor (CNA)
Linux Linux252f4afd4557a2e7075f793a5c80fe6dd9e9ee4aVendor (CNA)
Linux Linux31dca00d0cc9f4133320d72eb7e3720badc6d6e6Vendor (CNA)
Linux Linux3f09ec80f115d2875d747ed28adc1773037e0f8bVendor (CNA)
Linux Linux79c164e61f818054cd6012e9035701840d895c51Vendor (CNA)
Linux Linux8858284dd74906fa00f04f0252c75df4893a7959Vendor (CNA)
Linux Linuxa89cb7ddf6a89bab6012e19da38b7cdb26175c19Vendor (CNA)
Linux Linuxef5ab2e48a5f9960e2352332b7cdb7064bb49032Vendor (CNA)
Linux Linuxf93e91a0372c922c20d5bee260b0f43b4b8a1beeVendor (CNA)
debian:linux5.18.5-1 · Debian:12Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2026-31633422 days apartrxrpc: Fix integer overflow in rxgk_verify_response()
    39Monitor
  • CVE-2026-31649422 days apartnet: stmmac: fix integer underflow in chain mode
    39Monitor
  • CVE-2026-31659422 days apartbatman-adv: reject oversized global TT response buffers
    39Monitor
  • CVE-2026-43341436 days apartnet/ipv6: ioam6: prevent schema length wraparound in trace fill
    39Monitor
  • CVE-2026-46039455 days apartrxgk: Fix potential integer overflow in length check
    39Monitor
  • CVE-2026-46325468 days apartRDMA/rxe: Fix iova-to-va conversion for MR page sizes != PAGE_SIZE
    39Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
none
Availability
high · the service can be disrupted
Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
None
Availability impact
High

Weakness class (CWE)

CWE-190 · Integer Overflow or Wraparound

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Show all references (8 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records