CVE-2024-43883
CRITICAL severity · CVSS 9.8 · Use-after-free
9.8CVSS CRITICAL
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/128e82e41cf7d74a562726c1587d9d2ede1a0a37 ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/128e82e41cf7d74a562726c1587d9d2ede1a0a37Patch
- https://git.kernel.org/stable/c/4dacdb9720aaab10b6be121eae55820174d97174Patch
- https://git.kernel.org/stable/c/585e6bc7d0a9bf73a8be3d3fb34e86b90cc61a14Patch
- https://git.kernel.org/stable/c/5a3c473b28ae1c1f7c4dc129e30cb19ae6e96f89Patch
- https://git.kernel.org/stable/c/9c3746ce8d8fcb3a2405644fc0eec7fc5312de80Patch
- https://git.kernel.org/stable/c/afdcfd3d6fcdeca2735ca8d994c5f2d24a368f0aPatch
- https://git.kernel.org/stable/c/c3d0857b7fc2c49f68f89128a5440176089a8f54Patch
- https://git.kernel.org/stable/c/e8c1e606dab8c56cf074b43b98d0805de7322ba2Patch