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CVE-2022-49593

14
FAUCET Score

CVE-2022-49593 is a data-race vulnerability in the Linux kernel's TCP implementation, specifically concerning the sysctl_tcp_probe_interval variable. This medium-severity flaw (CVSS 4.7) requires local access and high attack complexity, potentially leading to a denial of service (availability impact). There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.1, < 4.14.290CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.15, < 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:*:*:*:*:*:*:*:*

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
8.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0019 is in the 44th percentile among its peer group of 1,297 CVEs.

Social Chatter

No social media mentions found for this CVE.

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-2022-49593Moderate

kernel: tcp: Fix a data-race around sysctl_tcp_probe_interval.

Feb 26, 2025

References

git.kernel.org / stable/c/2a85388f1d94a9f8b5a529118a2c5eaa0520d85c
Patch
git.kernel.org / stable/c/73a11588751a2c13f25d9da8117efc9a79b1843f
Patch
git.kernel.org / stable/c/80dabd089086e6553b7acfcff2ec223bdada87a1
Patch
git.kernel.org / stable/c/b14cc8afbbcbc6dce4797913c0b85266b897f541
Patch
git.kernel.org / stable/c/b3798d3519eda9c409bb0815b0102f27ec42468d
Patch
git.kernel.org / stable/c/c61aede097d350d890fa1edc9521b0072e14a0b8
Patch
git.kernel.org / stable/c/e6b6f027e2854a51f345a5e3e808d7a88001d4f8
Patch