CVE-2024-44988 net: dsa: mv88e6xxx: Fix out-of-bound access

2024-09-0419:54:36

Linux

www.cve.org

linux kernel

vulnerability

resolved

out-of-bound access

atu violation

cpu load operation

spid

dsa_max_ports

mv88e6xxx_chip.ports[]

array

cve

EPSS

Percentile

10.9%

JSON

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

net: dsa: mv88e6xxx: Fix out-of-bound access

If an ATU violation was caused by a CPU Load operation, the SPID could
be larger than DSA_MAX_PORTS (the size of mv88e6xxx_chip.ports[] array).

CNA Affected

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/dsa/mv88e6xxx/global1_atu.c"
    ],
    "versions": [
      {
        "version": "75c05a74e745",
        "lessThan": "d39f5be62f09",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "75c05a74e745",
        "lessThan": "050e7274ab21",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "75c05a74e745",
        "lessThan": "a10d0337115a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "75c05a74e745",
        "lessThan": "18b2e833daf0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "75c05a74e745",
        "lessThan": "f7d8c2fabd39",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "75c05a74e745",
        "lessThan": "f87ce03c652d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "75c05a74e745",
        "lessThan": "528876d867a2",
        "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/dsa/mv88e6xxx/global1_atu.c"
    ],
    "versions": [
      {
        "version": "5.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.0",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.4.283",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.10.225",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.15.166",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.1.107",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.6.48",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.10.7",
        "lessThanOrEqual": "6.10.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.11",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]