CVE-2024-43815 crypto: mxs-dcp - Ensure payload is zero when using key slot

2024-08-1709:21:38

Linux

www.cve.org

linux kernel

crypto vulnerability

mxs-dcp

zero payload

key slot

EPSS

Percentile

9.5%

JSON

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

crypto: mxs-dcp - Ensure payload is zero when using key slot

We could leak stack memory through the payload field when running
AES with a key from one of the hardware’s key slots. Fix this by
ensuring the payload field is set to 0 in such cases.

This does not affect the common use case when the key is supplied
from main memory via the descriptor payload.

CNA Affected

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/crypto/mxs-dcp.c"
    ],
    "versions": [
      {
        "version": "3d16af0b4cfa",
        "lessThan": "e1640fed0377",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3d16af0b4cfa",
        "lessThan": "dd52b5eeb0f7",
        "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/crypto/mxs-dcp.c"
    ],
    "versions": [
      {
        "version": "6.10",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.10",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.10.3",
        "lessThanOrEqual": "6.10.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.11",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]