VDB
DEBIAN-CVE-2021-47232
DEBIAN-CVE-2021-47232
PUBLISHED
CVSS 8.399999618530273 HIGH
In the Linux kernel, the following vulnerability has been resolved: can: j1939: fix Use-after-Free, hold skb ref while in use This patch fixes a Use-after-Free found by the syzbot. The problem is that a skb is taken from the per-session skb queue, without incrementing the ref count. This leads to a Use-after-Free if the skb is taken concurrently from the session queue due to a CTS.
Risk Scores
CVSS v3.1
8.399999618530273
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:14 | linux | 0, 0, 0 |
| Debian:12 | linux | 0, 0, 0 |
| Debian:11 | linux | 0, 0, 0 |
| Debian:13 | linux | 0, 0, 0 |
Timeline
- May 21, 2024 CVE Published
- Apr 28, 2026 CVE Updated