CVE-2024-58099 (GCVE-0-2024-58099)

Vulnerability from cvelistv5 – Published: 2025-04-29 11:45 – Updated: 2025-10-01 16:12
VLAI?
Title
vmxnet3: Fix packet corruption in vmxnet3_xdp_xmit_frame
Summary
In the Linux kernel, the following vulnerability has been resolved: vmxnet3: Fix packet corruption in vmxnet3_xdp_xmit_frame Andrew and Nikolay reported connectivity issues with Cilium's service load-balancing in case of vmxnet3. If a BPF program for native XDP adds an encapsulation header such as IPIP and transmits the packet out the same interface, then in case of vmxnet3 a corrupted packet is being sent and subsequently dropped on the path. vmxnet3_xdp_xmit_frame() which is called e.g. via vmxnet3_run_xdp() through vmxnet3_xdp_xmit_back() calculates an incorrect DMA address: page = virt_to_page(xdpf->data); tbi->dma_addr = page_pool_get_dma_addr(page) + VMXNET3_XDP_HEADROOM; dma_sync_single_for_device(&adapter->pdev->dev, tbi->dma_addr, buf_size, DMA_TO_DEVICE); The above assumes a fixed offset (VMXNET3_XDP_HEADROOM), but the XDP BPF program could have moved xdp->data. While the passed buf_size is correct (xdpf->len), the dma_addr needs to have a dynamic offset which can be calculated as xdpf->data - (void *)xdpf, that is, xdp->data - xdp->data_hard_start.
Severity ?
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 54f00cce11786742bd11e5e68c3bf85e6dc048c9 , < 59ba6cdadb9c26b606a365eb9c9b25eb2052622d (git)
Affected: 54f00cce11786742bd11e5e68c3bf85e6dc048c9 , < f82eb34fb59a8fb96c19f4f492c20eb774140bb5 (git)
Affected: 54f00cce11786742bd11e5e68c3bf85e6dc048c9 , < 4678adf94da4a9e9683817b246b58ce15fb81782 (git)
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    Linux Linux Affected: 6.6
Unaffected: 0 , < 6.6 (semver)
Unaffected: 6.6.59 , ≤ 6.6.* (semver)
Unaffected: 6.11.6 , ≤ 6.11.* (semver)
Unaffected: 6.12 , ≤ * (original_commit_for_fix)
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