CVE-2026-64054
Description
In the Linux kernel, the following vulnerability has been resolved:
net: shaper: reject duplicate leaves in GROUP request
net_shaper_nl_group_doit() does not deduplicate NET_SHAPER_A_LEAVES
entries. When userspace supplies the same leaf handle twice, the same
old-parent pointer lands twice in old_nodes[]. The cleanup loop double
frees the parent. Of course the same parent may still be in old_nodes[]
twice if we are moving multiple of its leaves.
Note that this patch also implicitly fixes the fact that the
i >= leaves_count path forgets to set ret.
Metadata
Severity & Metrics
No CVSS data available.
Affected products (2)
| Vendor | Product | Platform | Versions |
|---|---|---|---|
| Linux | Linux | — | 5d5d4700e75d861e83bf18eb6bf66ff90f85fe4e < 5098b223f0f0c5c18a3884a8b0ea5bd4a0c7bd75, 5d5d4700e75d861e83bf18eb6bf66ff90f85fe4e < 31767bf852b59f05125b58a17007e4cd1ea9eb2e, 5d5d4700e75d861e83bf18eb6bf66ff90f85fe4e < a9a2fa1da619f276580b0d4c5d12efac89e8642b |
| Linux | Linux | — | 6.13, 0 < 6.13, 6.18.34 ≤ 6.18.*, 7.0.11 ≤ 7.0.* … |
References (3)