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High severity7.8NVD Advisory· Published Jun 3, 2024· Updated Jun 17, 2026

CVE-2021-3899

CVE-2021-3899

Description

There is a race condition in the 'replaced executable' detection that, with the correct local configuration, allow an attacker to execute arbitrary code as root.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

7
  • Canonical/Apport
    cpe:2.3:a:canonical:apport:*:*:*:*:*:*:*:*
    Range: <2.21.0
  • Canonical/Ubuntu Linux4 versions
    cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*+ 3 more
    • cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
    • cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
    • cpe:2.3:o:canonical:ubuntu_linux:21.10:*:*:*:*:*:*:*
    • cpe:2.3:o:canonical:ubuntu_linux:22.04:*:*:*:lts:*:*:*
  • Ubuntu/Apportllm-fuzzy
  • Canonical Ltd./Apportv5
    Range: 0

Patches

Vulnerability mechanics

References

3

News mentions

0

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