CVE-2024-40999 net: ena: Add validation for completion descriptors consistency

2024-07-1212:37:40

Linux

www.cve.org

linux kernel

vulnerability

resolution

net

ena

completion descriptors

validation

multi-buffer packets

reset

rx data corruption

cve-2024-40999

EPSS

Percentile

9.3%

JSON

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

net: ena: Add validation for completion descriptors consistency

Validate that first flag is set only for the first
descriptor in multi-buffer packets.
In case of an invalid descriptor, a reset will occur.
A new reset reason for RX data corruption has been added.

CNA Affected

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/ethernet/amazon/ena/ena_eth_com.c",
      "drivers/net/ethernet/amazon/ena/ena_netdev.c",
      "drivers/net/ethernet/amazon/ena/ena_regs_defs.h"
    ],
    "versions": [
      {
        "version": "1da177e4c3f4",
        "lessThan": "42146ee5286f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f4",
        "lessThan": "b37b98a3a0c1",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/ethernet/amazon/ena/ena_eth_com.c",
      "drivers/net/ethernet/amazon/ena/ena_netdev.c",
      "drivers/net/ethernet/amazon/ena/ena_regs_defs.h"
    ],
    "versions": [
      {
        "version": "6.9.7",
        "lessThanOrEqual": "6.9.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.10",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]