CVE-2024-56606
HIGH severity · CVSS 7.8 · Use-after-free
7.8CVSS HIGH
Summary
In the Linux kernel, the following vulnerability has been resolved: af_packet: avoid erroring out after sock_init_data() in packet_create() After sock_init_data() the allocated sk object is attached to the provided sock object. On error, packet_create() frees the sk object leaving the dangling pointer in the sock object on return. Some other code may try to use this pointer and cause use-after-free.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/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/132e615bb1d7cdec2d3cfbdec2efa630e923fd21 ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/132e615bb1d7cdec2d3cfbdec2efa630e923fd21Patch
- https://git.kernel.org/stable/c/157f08db94123e2ba56877dd0ac88908b13a5dd0Patch
- https://git.kernel.org/stable/c/1dc1e1db927056cb323296e2294a855cd003dfe7Patch
- https://git.kernel.org/stable/c/46f2a11cb82b657fd15bab1c47821b635e03838bPatch
- https://git.kernel.org/stable/c/71b22837a5e55ac27d6a14b9cdf2326587405c4fPatch
- https://git.kernel.org/stable/c/a6cf750b737374454a4e03a5ed449a3eb0c96414Patch
- https://git.kernel.org/stable/c/fd09880b16d33aa5a7420578e01cd79148fa9829Patch
- https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html