CVE-2024-27026

High

Description

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

SeverityHigh
CVSS7.5
Exploit probability—
ProductLinux Kernel
PublishedMay 1, 2024
First seenMay 1, 2024

How to fix

Update
  • linux linux_kernel6.6.23, 6.7.11, 6.8.2 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernel6.6 ≤ v < 6.6.23, 6.7 ≤ v < 6.7.11, 6.8 ≤ v < 6.8.26.6.23, 6.7.11, 6.8.2

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