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CVE-2022-49838

17
FAUCET Score

CVE-2022-49838 is a medium-severity vulnerability in the Linux kernel's Stream Control Transmission Protocol (SCTP) implementation. It can lead to a system crash (denial of service) due to a list corruption error when processing fragmented SCTP messages. An attacker with local access to the system could trigger this vulnerability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.15, < 5.10.156CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.11, < 5.15.81CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.16, < 6.0.10CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
6.1CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:*
6.1CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:*

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
0.19%
Probability of exploitation in next 30 days
EPSS Percentile
9.0%
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 45th percentile among its peer group of 15,940 CVEs.

Social Chatter

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

Vendor Patches (2)

redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2022-49838Moderate

kernel: sctp: clear out_curr if all frag chunks of current msg are pruned

May 1, 2025

References

git.kernel.org / stable/c/2ea600b598dd3e061854dd4dd5b4c815397dfcea
Patch
git.kernel.org / stable/c/2f201ae14ae0f91dbf1cffea7bb1e29e81d4d108
Patch
git.kernel.org / stable/c/3eff34e01062ec08fbb45ce2baaaa644550be821
Patch
git.kernel.org / stable/c/e27458b18b35caee4b27b37a4a9c503b93cae5cc
Patch