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CVE-2022-49588

15
FAUCET Score

CVE-2022-49588 is a data-race vulnerability in the Linux kernel's TCP implementation, specifically affecting how sysctl_tcp_migrate_req is read and modified concurrently. This flaw could lead to a denial-of-service (DoS) condition due to an availability impact, rated as medium severity with a CVSS score of 4.7. Exploitation requires local access and high attack complexity, but does not impact confidentiality or integrity. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.10.188, < 5.11CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.14, < 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:*:*:*:*:*:*:*:*
5.19CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:*
5.19CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:5.19:rc2:*:*:*:*:*:*

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
0.18%
Probability of exploitation in next 30 days
EPSS Percentile
7.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0018 is in the 42nd 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-2022-49588Moderate

kernel: tcp: Fix data-races around sysctl_tcp_migrate_req.

Feb 26, 2025

References

git.kernel.org / stable/c/4177f545895b1da08447a80692f30617154efa6e
Patch
git.kernel.org / stable/c/6e569a11eea20a1ccebc3c4e6366bf0574a449e1
Patch
git.kernel.org / stable/c/fcf6c6d8aeffebca66f37b17ef1b57112e5e09c1
Patch