CVE-2024-56606
Published: January 1, 2025Last modified: January 1, 2025
Description
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.120-r0) |
| 25 LTS | linux-lts | Fixed (6.12.41-r0) | |
| Stream | linux-lts | Fixed (6.12.41-r0) |
References
- https://git.kernel.org/stable/c/132e615bb1d7cdec2d3cfbdec2efa630e923fd21
- https://git.kernel.org/stable/c/157f08db94123e2ba56877dd0ac88908b13a5dd0
- https://git.kernel.org/stable/c/1dc1e1db927056cb323296e2294a855cd003dfe7
- https://git.kernel.org/stable/c/46f2a11cb82b657fd15bab1c47821b635e03838b
- https://git.kernel.org/stable/c/71b22837a5e55ac27d6a14b9cdf2326587405c4f
- https://git.kernel.org/stable/c/a6cf750b737374454a4e03a5ed449a3eb0c96414
- https://git.kernel.org/stable/c/fd09880b16d33aa5a7420578e01cd79148fa9829