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CVE-2022-49404

16
FAUCET Score

CVE-2022-49404 is a medium-severity vulnerability affecting the Linux kernel's RDMA/hfi1 component, specifically related to integer multiplication overflow errors in inter-packet delay calculations. An attacker with local access could exploit this flaw to cause a denial of service (DoS) due to incorrect values resulting from the overflow. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.3, < 4.9.318CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.10, < 4.14.283CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.15, < 4.19.247CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.20, < 5.4.198CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.10.121CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.27%
Probability of exploitation in next 30 days
EPSS Percentile
19.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0027 is in the 74th percentile among its peer group of 15,940 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-0:4.18.0-425.3.1.el8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-0:5.14.0-162.6.1.el9_1
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-rt
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2022-49404Moderate

kernel: RDMA/hfi1: Fix potential integer multiplication overflow errors

Feb 26, 2025

References

git.kernel.org / stable/c/06039d8afefdbac05bcea5f397188407eba2996d
Patch
git.kernel.org / stable/c/252f4afd4557a2e7075f793a5c80fe6dd9e9ee4a
Patch
git.kernel.org / stable/c/31dca00d0cc9f4133320d72eb7e3720badc6d6e6
Patch
git.kernel.org / stable/c/3f09ec80f115d2875d747ed28adc1773037e0f8b
Patch
git.kernel.org / stable/c/79c164e61f818054cd6012e9035701840d895c51
Patch
git.kernel.org / stable/c/8858284dd74906fa00f04f0252c75df4893a7959
Patch
git.kernel.org / stable/c/a89cb7ddf6a89bab6012e19da38b7cdb26175c19
Patch
git.kernel.org / stable/c/ef5ab2e48a5f9960e2352332b7cdb7064bb49032
Patch
git.kernel.org / stable/c/f93e91a0372c922c20d5bee260b0f43b4b8a1bee
Patch