CVE-2026-93201 dm-pcache: validate seg_id fields from persistent memory

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/md/dm-pcache/cache.c",
      "drivers/md/dm-pcache/cache.h",
      "drivers/md/dm-pcache/cache_gc.c",
      "drivers/md/dm-pcache/cache_key.c",
      "drivers/md/dm-pcache/cache_writeback.c"
    ],
    "versions": [
      {
        "version": "1d57628ff95b32d5cfa8d8f50e07690c161e9cf0",
        "lessThan": "b4bf8af5e7d7db4c5e179e15017da55857761ac4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1d57628ff95b32d5cfa8d8f50e07690c161e9cf0",
        "lessThan": "90c990a68460d7b5720e5634cf650eccdf0f4098",
        "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/md/dm-pcache/cache.c",
      "drivers/md/dm-pcache/cache.h",
      "drivers/md/dm-pcache/cache_gc.c",
      "drivers/md/dm-pcache/cache_key.c",
      "drivers/md/dm-pcache/cache_writeback.c"
    ],
    "versions": [
      {
        "version": "6.18",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.18",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.6",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]