CVE-2024-27026

Summary

In the Linux kernel, the following vulnerability has been resolved:

vmxnet3: Fix missing reserved tailroom

Use rbi->len instead of rcd->len for non-dataring packet.

Found issue: XDP_WARN: xdp_update_frame_from_buff(line:278): Driver BUG: missing reserved tailroom WARNING: CPU: 0 PID: 0 at net/core/xdp.c:586 xdp_warn+0xf/0x20 CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W O 6.5.1 #1 RIP: 0010:xdp_warn+0xf/0x20 … ? xdp_warn+0xf/0x20 xdp_do_redirect+0x15f/0x1c0 vmxnet3_run_xdp+0x17a/0x400 [vmxnet3] vmxnet3_process_xdp+0xe4/0x760 [vmxnet3] ? vmxnet3_tq_tx_complete.isra.0+0x21e/0x2c0 [vmxnet3] vmxnet3_rq_rx_complete+0x7ad/0x1120 [vmxnet3] vmxnet3_poll_rx_only+0x2d/0xa0 [vmxnet3] __napi_poll+0x20/0x180 net_rx_action+0x177/0x390

Affected Software

Weaknesses

ADP Enrichment

CVE Program Container

Additional References

• https://git.kernel.org/stable/c/aba8659caf88017507419feea06069f529329ea6
• https://git.kernel.org/stable/c/7c8505ecc2d15473d679b8e06335434b84fffe86
• https://git.kernel.org/stable/c/91d017d19d5a9ad153e2dc23ed3c0e2e79ef5262
• https://git.kernel.org/stable/c/e127ce7699c1e05279ee5ee61f00893e7bfa9671

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://git.kernel.org/stable/c/aba8659caf88017507419feea06069f529329ea6
• https://git.kernel.org/stable/c/7c8505ecc2d15473d679b8e06335434b84fffe86
• https://git.kernel.org/stable/c/91d017d19d5a9ad153e2dc23ed3c0e2e79ef5262
• https://git.kernel.org/stable/c/e127ce7699c1e05279ee5ee61f00893e7bfa9671

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