CVE-2022-1841

Out-of-bound write in tcp_flags

CVSS 7.2 HIGHEPSS 0.5%CWE-787

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7.2EPSS 0.5%KEV nãoPoC —Patch —

Lifecycle

31 Aug 2022Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L

Affected products

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References