CVE-2021-45402

Updated: 2023-11-04 20:23:59.913833

Description:

The check_alu_op() function in kernel/bpf/verifier.c in the Linux kernel through v5.16-rc5 did not properly update bounds while handling the mov32 instruction, which allows local users to obtain potentially sensitive address information, aka a "pointer leak."


Links NIST CIRCL RHEL Ubuntu

Severity

Severity Score
CVSS Version 2.x LOW 2.1
CVSS Version 3.x MEDIUM 5.5

Status

OS name Project name Version Score Severity Status Errata Last updated
AlmaLinux 9.2 ESU kernel 5.14.0 5.5 MEDIUM Ignored 2023-11-08 04:07:46
AlmaLinux 9.2 FIPS kernel 5.14.0 5.5 MEDIUM Ignored 2023-11-21 04:12:24
CentOS 6 ELS kernel 2.6.32 5.5 MEDIUM Not Vulnerable 2022-03-30 18:48:22
CentOS 7 ELS kernel 3.10.0 5.5 MEDIUM Ignored 2023-09-19 09:30:06
CentOS 8.4 ELS kernel 4.18.0 5.5 MEDIUM Ignored 2022-03-08 14:51:12
CentOS 8.5 ELS kernel 4.18.0 5.5 MEDIUM Ignored 2022-03-08 14:51:12
CloudLinux 6 ELS kernel 2.6.32 5.5 MEDIUM Not Vulnerable 2022-03-30 18:48:22
Oracle Linux 6 ELS kernel 2.6.32 5.5 MEDIUM Not Vulnerable 2022-03-30 18:48:22
Ubuntu 16.04 ELS linux 4.4.0 5.5 MEDIUM Ignored 2022-04-12 04:05:55
Ubuntu 16.04 ELS linux-hwe 4.15.0 5.5 MEDIUM Ignored 2022-09-28 05:02:42
Total: 11