VDB
DEBIAN-CVE-2021-33033
DEBIAN-CVE-2021-33033
PUBLISHED
CVSS 7.800000190734863 HIGH
The Linux kernel before 5.11.14 has a use-after-free in cipso_v4_genopt in net/ipv4/cipso_ipv4.c because the CIPSO and CALIPSO refcounting for the DOI definitions is mishandled, aka CID-ad5d07f4a9cd. This leads to writing an arbitrary value.
Risk Scores
CVSS 3.1
7.800000190734863
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:14 | linux | 0, 0, 0 |
| Debian:11 | linux | 0, 0, 0 |
| Debian:12 | linux | 0, 0, 0 |
| Debian:13 | linux | 0, 0, 0 |
Timeline
- May 14, 2021 CVE Published
- Apr 28, 2026 CVE Updated