Vulnerability Database

289,697

Total vulnerabilities in the database

CVE-2021-45402

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."

  • Published: Feb 11, 2022
  • Updated: Apr 14, 2023
  • CVE: CVE-2021-45402
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 5.5
  • AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS v2:

  • Severity: Low
  • Score: 2.1
  • AV:L/AC:L/Au:N/C:P/I:N/A:N

CWEs: