CVE-2024-46748 cachefiles: Set the max subreq size for cache writes to MAX_RW_COUNT

2024-09-1807:12:08

Linux

www.cve.org

cachefiles

max_rw_count

linux kernel

vulnerability

subrequest

maximum size

EPSS

Percentile

9.6%

JSON

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

cachefiles: Set the max subreq size for cache writes to MAX_RW_COUNT

Set the maximum size of a subrequest that writes to cachefiles to be
MAX_RW_COUNT so that we don’t overrun the maximum write we can make to the
backing filesystem.

CNA Affected

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/cachefiles/io.c"
    ],
    "versions": [
      {
        "version": "1da177e4c3f4",
        "lessThan": "cec226f9b1fd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f4",
        "lessThan": "51d37982bbac",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/cachefiles/io.c"
    ],
    "versions": [
      {
        "version": "6.10.10",
        "lessThanOrEqual": "6.10.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.11",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]