VDB
CISA-2021-47232
CISA-2021-47232
PUBLISHED
CVSS 8.4 HIGH
Reported by Linux · Published May 21, 2024
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 3.1
8.4
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | 9d71dd0c70099914fcd063135da3c580865e924c, 9d71dd0c70099914fcd063135da3c580865e924c, 9d71dd0c70099914fcd063135da3c580865e924c |
| Linux | Linux | 5.4, 0, 5.4.128 |
| Linux | Linux | *, 5.13, 5.12.13 |
| linux | linux_kernel | 5.4, 5.4, 5.4 |
| linux | linux_kernel | 9d71dd0c7009, *, 5.12.13 |
Timeline
- May 21, 2024 CVE Published
- May 4, 2025 CVE Updated