ghsa-v2rp-vw7g-7xqw
Vulnerability from github
Published
2025-12-16 15:30
Modified
2025-12-16 15:30
Details

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

mm: don't spin in add_stack_record when gfp flags don't allow

syzbot was able to find the following path: add_stack_record_to_list mm/page_owner.c:182 [inline] inc_stack_record_count mm/page_owner.c:214 [inline] __set_page_owner+0x2c3/0x4a0 mm/page_owner.c:333 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x240/0x2a0 mm/page_alloc.c:1851 prep_new_page mm/page_alloc.c:1859 [inline] get_page_from_freelist+0x21e4/0x22c0 mm/page_alloc.c:3858 alloc_pages_nolock_noprof+0x94/0x120 mm/page_alloc.c:7554

Don't spin in add_stack_record_to_list() when it is called from *_nolock() context.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-68253"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-12-16T15:15:54Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm: don\u0027t spin in add_stack_record when gfp flags don\u0027t allow\n\nsyzbot was able to find the following path:\n  add_stack_record_to_list mm/page_owner.c:182 [inline]\n  inc_stack_record_count mm/page_owner.c:214 [inline]\n  __set_page_owner+0x2c3/0x4a0 mm/page_owner.c:333\n  set_page_owner include/linux/page_owner.h:32 [inline]\n  post_alloc_hook+0x240/0x2a0 mm/page_alloc.c:1851\n  prep_new_page mm/page_alloc.c:1859 [inline]\n  get_page_from_freelist+0x21e4/0x22c0 mm/page_alloc.c:3858\n  alloc_pages_nolock_noprof+0x94/0x120 mm/page_alloc.c:7554\n\nDon\u0027t spin in add_stack_record_to_list() when it is called\nfrom *_nolock() context.",
  "id": "GHSA-v2rp-vw7g-7xqw",
  "modified": "2025-12-16T15:30:47Z",
  "published": "2025-12-16T15:30:47Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-68253"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/504174133453e3af73e626e328603d7eb5986f34"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c83aab85e18103a6dc066b4939e2c92a02bb1b05"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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