CVE-2022-1841 json
Out-of-bound write in tcp_flags
published 4y ago modified 4mo ago also EUVD-2022-25117
- cvss
- 7.2
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 48%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Is CVE-2022-1841 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
0.59% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L |
| NVD | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
Affected products
- zephyrproject-rtos zephyr
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
github.com
/zephyrproject-rtos/zephyr/security/advisories/GHSA-5c3j-p8cr-2pgh
patch, third-party-advisory
Sources
- CVE List CVE-2022-1841
- NVD CVE-2022-1841
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