CVE-2022-1841
MEDIUMCVSS 5.3/10EPSS 0.48%
Last modified
CVE-2022-1841 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 0.48% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Zephyrproject | Zephyr | <= 3.0.0 |
References
- http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-5c3j-p8cr-2pghPatch, Third Party Advisory
- http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-5c3j-p8cr-2pghPatch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2022-1841?
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.
How severe is CVE-2022-1841?
CVE-2022-1841 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.48% probability of exploitation in the next 30 days.
How do I fix CVE-2022-1841?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2022-1841?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST