Vulnerability in Linux Kernel
CVE-2020-27194
An issue was discovered in the Linux kernel before 5.8.15. scalar32_min_max_or in kernel/bpf/verifier.c mishandles bounds tracking during use of 64-bit values, aka CID-5b9fbeb75b6a.
EPSS: 0.020 (78.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Linux Linux_kernel
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
- xmzyshypnc/CVE-2020-27194
- WhatsWrongAndWhy/CVE-2020-27194
- willinin/CVE-2020-27194-exp
- Al1ex/LinuxEelvation
- HaxorSecInfec/autoroot.sh
- JlSakuya/Linux-Privilege-Escalation-Exploits
- OrangeGzY/security-research-learning
- XiaozaYa/CVE-Recording
- a-roshbaik/Linux-Privilege-Escalation-Exploits
- bsauce/kernel-exploit-factory
References
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-27194?
- CVE-2020-27194 is a medium-severity vulnerability in Linux Kernel, classified under Incorrect Conversion between Numeric Types. CVSS score: 5.5/10. Published 2020-10-16.
- How severe is CVE-2020-27194?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2020-27194 known to be exploited?
- 33 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.