VDB
DEBIAN-CVE-2021-4203
DEBIAN-CVE-2021-4203
PUBLISHED
CVSS 6.800000190734863 MEDIUM
A use-after-free read flaw was found in sock_getsockopt() in net/core/sock.c due to SO_PEERCRED and SO_PEERGROUPS race with listen() (and connect()) in the Linux kernel. In this flaw, an attacker with a user privileges may crash the system or leak internal kernel information.
Risk Scores
CVSS 3.1
6.800000190734863
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:11 | linux | 0, 5.10.46-4, 5.10.46-5 |
| Debian:12 | linux | 0, 0, 0 |
| Debian:14 | linux | 0, 0, 0 |
| Debian:13 | linux | 0, 0, 0 |
Timeline
- Mar 25, 2022 CVE Published
- Apr 28, 2026 CVE Updated