RCE in Linux Kernel
CVE-2021-29154
BPF JIT compilers in the Linux kernel through 5.11.12 have incorrect computation of branch displacements, allowing them to execute arbitrary code within the kernel context. This affects arch/x86/net/bpf_jit_comp.c and arch/x86/net/bpf_jit_comp32.c.
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.009 (57.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (mailing-list, Mailing List, Third Party Advisory)
- cve@mitre.org (mailing-list, Mailing List, Third Party Advisory)
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (Patch, Mailing List, Third Party Advisory)
- cve@mitre.org (Third Party Advisory, Issue Tracking)
- cve@mitre.org (VDB Entry, Third Party Advisory)
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org
- cve@mitre.org
Frequently asked questions
- What is CVE-2021-29154?
- CVE-2021-29154 is a high-severity vulnerability in Linux Kernel, classified under Command Injection. CVSS score: 7.8/10. Published 2021-04-08.
- How severe is CVE-2021-29154?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2021-29154 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.