QwikSec

Security Database

CVE

CWE

Training

CVE Database
/

CVE-2021-46908

Back to search

CVE-2021-46908

Published: Feb 27, 2024

Modified: May 11, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: bpf: Use correct permission flag for mixed signed bounds arithmetic We forbid adding unknown scalars with mixed signed bounds due to the spectre v1 masking mitigation. Hence this also needs bypass_spec_v1 flag instead of allow_ptr_leaks.

VendorProductVersions

Linux

Linux

affected
2c78ee898d8f10ae6fb2fa23a3fbaec96b1b7366 - < 4f3ff11204eac0ee23acf64deecb3bad7b0db0c6
affected
2c78ee898d8f10ae6fb2fa23a3fbaec96b1b7366 - < 4ccdc6c6cae38b91c871293fb0ed8c6845a61b51
affected
2c78ee898d8f10ae6fb2fa23a3fbaec96b1b7366 - < 9601148392520e2e134936e76788fc2a6371e7be

Linux

Linux

affected
5.8
unaffected
0 - < 5.8
unaffected
5.10.32 - <= 5.10.*
unaffected
5.11.16 - <= 5.11.*
unaffected
5.12 - <= *

References

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Start Training

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.

Scan Now