ghsa-7mh5-2fw8-7x58
Vulnerability from github
Published
2024-05-17 12:31
Modified
2024-05-17 12:31
Details

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

lib/Kconfig.debug: TEST_IOV_ITER depends on MMU

Trying to run the iov_iter unit test on a nommu system such as the qemu kc705-nommu emulation results in a crash.

KTAP version 1
# Subtest: iov_iter
# module: kunit_iov_iter
1..9

BUG: failure at mm/nommu.c:318/vmap()! Kernel panic - not syncing: BUG!

The test calls vmap() directly, but vmap() is not supported on nommu systems, causing the crash. TEST_IOV_ITER therefore needs to depend on MMU.

Show details on source website


{
  "affected": [],
  "aliases": [
    "CVE-2024-27406"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-17T12:15:10Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nlib/Kconfig.debug: TEST_IOV_ITER depends on MMU\n\nTrying to run the iov_iter unit test on a nommu system such as the qemu\nkc705-nommu emulation results in a crash.\n\n    KTAP version 1\n    # Subtest: iov_iter\n    # module: kunit_iov_iter\n    1..9\nBUG: failure at mm/nommu.c:318/vmap()!\nKernel panic - not syncing: BUG!\n\nThe test calls vmap() directly, but vmap() is not supported on nommu\nsystems, causing the crash.  TEST_IOV_ITER therefore needs to depend on\nMMU.",
  "id": "GHSA-7mh5-2fw8-7x58",
  "modified": "2024-05-17T12:31:00Z",
  "published": "2024-05-17T12:31:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-27406"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1eb1e984379e2da04361763f66eec90dd75cf63e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9e6e541b97762d5b1143070067f7c68f39a408f8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e6316749d603fe9c4c91f6ec3694e06e4de632a3"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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