CVE-2021-29154: Debian Linux

High severity, CVSS 7.8. EPSS: 0.9% chance of exploitation in the next 30 days.

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.

Affected products

• Debian Debian Linux: version 9.0 only
• Fedoraproject Fedora: version 33 only
• Linux Linux Kernel: from 3.0, before 4.4.266 (fixed in 4.4.266); from 4.5, before 4.9.266 (fixed in 4.9.266); from 4.10, before 4.14.230 (fixed in 4.14.230); from 4.15, before 4.19.186 (fixed in 4.19.186); from 4.20, before 5.4.111 (fixed in 5.4.111); from 5.5, before 5.10.29 (fixed in 5.10.29); …
• Netapp Cloud Backup: affected versions not specified
• Netapp h300e Firmware: affected versions not specified
• Netapp h300s Firmware: affected versions not specified
• Netapp h410s Firmware: affected versions not specified
• Netapp h500e Firmware: affected versions not specified
• Netapp h500s Firmware: affected versions not specified
• Netapp h700e Firmware: affected versions not specified
• Netapp h700s Firmware: affected versions not specified
• Netapp Hci Management Node: affected versions not specified
• Netapp Solidfire: affected versions not specified

Published 2021-04-08. Last modified 2026-06-17.