CVE-2022-1841

Out-of-bound write in tcp_flags

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Published Aug 31, 2022 CVSS 3.1 · 7.2 High EPSS < 1% KEV · Not listed

Description

In subsys/net/ip/tcp.c , function tcp_flags , when the incoming parameter flags is ECN or CWR , the buf will out-of-bounds write a byte zero.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

zephyrproject-rtos

zephyr

affected

Version	Status	Constraints
`unspecified`	affected	≤ v3.0

Configuration 1 [-]

cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2022-25117	In subsys/net/ip/tcp.c , function tcp_flags , when the incoming parameter flags is ECN or CWR , the buf will out-of-bounds write a byte zero.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact None

Integrity Impact Low

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.585% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-5c3j-p8cr-2pgh

History

No history.

Subscriptions

Zephyrproject Zephyr

Weaknesses

CWE-787

Sources

CVE record Updated: Sep 16, 2024, 10:14 PM

Status: PUBLISHED
Assigner: zephyr
Published: Aug 31, 2022, 7:40 PM
Updated: Sep 16, 2024, 10:14 PM
Reserved: May 24, 2022, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 4:23 AM

Status: Modified
Published: Aug 31, 2022, 8:15 PM
Modified: Jun 17, 2026, 4:23 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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