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CVE-2022-49604

15
FAUCET Score

CVE-2022-49604 addresses a data-race vulnerability in the Linux kernel's handling of the sysctl_ip_fwd_use_pmtu parameter, affecting Linux kernel versions. This medium-severity vulnerability (CVSS 4.7) has a local attack vector with high attack complexity, requiring low privileges, and could lead to a high impact on availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.14, < 4.19.254CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.20, < 5.4.208CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.10.134CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.11, < 5.15.58CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.16, < 5.18.15CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.7MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.0
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.19%
Probability of exploitation in next 30 days
EPSS Percentile
8.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0019 is in the 46th percentile among its peer group of 1,297 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 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 0.4 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-0:5.14.0-284.11.1.el9_2
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2022-49604Moderate

kernel: ip: Fix data-races around sysctl_ip_fwd_use_pmtu.

Feb 26, 2025

References

git.kernel.org / stable/c/60c158dc7b1f0558f6cadd5b50d0386da0000d50
Patch
git.kernel.org / stable/c/7828309df0f89419a9349761a37c7d1b0da45697
Patch
git.kernel.org / stable/c/93fbc06da1d819f3981a7bd7928c3641ea67b364
Patch
git.kernel.org / stable/c/b96ed5ccb09ae71103023ed13acefb194f609794
Patch
git.kernel.org / stable/c/e364b5f6ffbfc457a997ad09a7baa16c19581edc
Patch
git.kernel.org / stable/c/eb15262128b793e4b1d1c4514d3e6d19c3959764
Patch