CVE-2024-43883
Medium
Elevated severity or exploit probability.
CVSS base
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
0.7%
49.7th percentile
CISA KEV
Not listed
Weakness / dates
CWE-416
Published 2024-08-23 · modified 2026-08-04
CVSS breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
| Attack Vector | N | Network |
| Attack Complexity | L | Low |
| Privileges Required | N | None |
| User Interaction | N | None |
| Scope | U | Unchanged |
| Confidentiality | H | High |
| Integrity | H | High |
| Availability | H | High |
Timeline
- 2024-08-23 — Published (NVD)
- 2026-08-04 — Last modified (NVD)
Description
In the Linux kernel, the following vulnerability has been resolved: usb: vhci-hcd: Do not drop references before new references are gained At a few places the driver carries stale pointers to references that can still be used. Make sure that does not happen. This strictly speaking closes ZDI-CAN-22273, though there may be similar races in the driver.
Affected
References
- https://git.kernel.org/stable/c/128e82e41cf7d74a562726c1587d9d2ede1a0a37
- https://git.kernel.org/stable/c/4dacdb9720aaab10b6be121eae55820174d97174
- https://git.kernel.org/stable/c/585e6bc7d0a9bf73a8be3d3fb34e86b90cc61a14
- https://git.kernel.org/stable/c/5a3c473b28ae1c1f7c4dc129e30cb19ae6e96f89
- https://git.kernel.org/stable/c/9c3746ce8d8fcb3a2405644fc0eec7fc5312de80
- https://git.kernel.org/stable/c/afdcfd3d6fcdeca2735ca8d994c5f2d24a368f0a
- https://git.kernel.org/stable/c/c3d0857b7fc2c49f68f89128a5440176089a8f54
- https://git.kernel.org/stable/c/e8c1e606dab8c56cf074b43b98d0805de7322ba2
- https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html