Users can consume unlimited disk space in /var/crash
Priority LOW 39Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
Users can consume unlimited disk space in /var/crash
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00417 36th percentileScored 2026-11-07
Fix Fixed Apport (Canonical Ltd.): 2.21.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA Apport (Canonical Ltd.) Fixed in 2.21.0
Timeline
- 2026-10-02 Threatist record created from CVE-2022-28653
- 2026-10-03 Alias added: GHSA-5jgw-fw55-g7x3
References
More Canonical Apport vulnerabilities
- TI-2025-04530 Race Condition in Canonical Apport CVSS 3.1MEDIUM 4.7
- TI-2020-09600 gdbus setgid privilege escalation CVSS 3.1LOW 3.1
- TI-2025-04908 Ubuntu Apport Insecure File Permissions Vulnerability CVSS 4.0LOW 1.9
- TI-2021-07816 apport can be stalled by reading a FIFO CVSS 3.1HIGH 8.8
- TI-2023-01253 local privilege escalation in apport-cli CVSS 3.1HIGH 7.8
- TI-2021-07815 apport improperly parses /proc/pid/stat CVSS 3.1HIGH 8.8
Sources
- CVE-2022-28653 · CVE Program
- CVE-2022-28653 · NVD
- FIRST EPSS
- GHSA-5jgw-fw55-g7x3 · GitHub Advisory Database · CC BY 4.0
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