Summary
It was discovered that Linux PTP did not properly perform a length check
when forwarding a PTP message between ports. A remote attacker could
possibly use this issue to access sensitive information, execute
arbitrary code, or cause a denial of service.
Fixed packages 3
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 18.04 LTS 18.04:LTS | linuxptp | 1.8-1ubuntu0.1 |
| Ubuntu · 20.04 LTS 20.04:LTS | linuxptp | 1.9.2-1ubuntu0.1 |
| Ubuntu · Pro 16.04 LTS Pro:16.04:LTS | linuxptp | 1.6-1ubuntu0.1~esm1 |
Vulnerabilities 1
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Unscored —
A flaw was found in the ptp4l program of the linuxptp package. A missing length check when forwarding a PTP message bet…
References
-
report
https://ubuntu.com/security/CVE-2021-3570