VDB
DEBIAN-CVE-2021-45402
DEBIAN-CVE-2021-45402
PUBLISHED
CVSS 5.5 MEDIUM
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."
Risk Scores
CVSS 3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:11 | linux | 5.10.46-5, 5.10.84-1, 5.10.92-1~bpo10+1 |
| Debian:14 | linux | 0, 0, 0 |
| Debian:13 | linux | 0, 0, 0 |
| Debian:12 | linux | 0, 0, 0 |
Timeline
- Feb 11, 2022 CVE Published
- Apr 28, 2026 CVE Updated