{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2022-49401",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-49401",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2025-02-26T02:12:28.603Z",
    "updatedAt": "2026-05-11T18:59:02.455Z",
    "importedAt": "2026-10-24T01:56:49.724Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "mm/page_owner: use strscpy() instead of strlcpy()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/page_owner: use strscpy() instead of strlcpy()\n\ncurrent->comm[] is not a string (no guarantee for a zero byte in it).\n\nstrlcpy(s1, s2, l) is calling strlen(s2), potentially\ncausing out-of-bound access, as reported by syzbot:\n\ndetected buffer overflow in __fortify_strlen\n------------[ cut here ]------------\nkernel BUG at lib/string_helpers.c:980!\ninvalid opcode: 0000 [#1] PREEMPT SMP KASAN\nCPU: 0 PID: 4087 Comm: dhcpcd-run-hooks Not tainted 5.18.0-rc3-syzkaller-01537-g20b87e7c29df #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011\nRIP: 0010:fortify_panic+0x18/0x1a lib/string_helpers.c:980\nCode: 8c e8 c5 ba e1 fa e9 23 0f bf fa e8 0b 5d 8c f8 eb db 55 48 89 fd e8 e0 49 40 f8 48 89 ee 48 c7 c7 80 f5 26 8a e8 99 09 f1 ff <0f> 0b e8 ca 49 40 f8 48 8b 54 24 18 4c 89 f1 48 c7 c7 00 00 27 8a\nRSP: 0018:ffffc900000074a8 EFLAGS: 00010286\n\nRAX: 000000000000002c RBX: ffff88801226b728 RCX: 0000000000000000\nRDX: ffff8880198e0000 RSI: ffffffff81600458 RDI: fffff52000000e87\nRBP: ffffffff89da2aa0 R08: 000000000000002c R09: 0000000000000000\nR10: ffffffff815fae2e R11: 0000000000000000 R12: ffff88801226b700\nR13: ffff8880198e0830 R14: 0000000000000000 R15: 0000000000000000\nFS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007f5876ad6ff8 CR3: 000000001a48c000 CR4: 00000000003506f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600\nCall Trace:\n <IRQ>\n __fortify_strlen include/linux/fortify-string.h:128 [inline]\n strlcpy include/linux/fortify-string.h:143 [inline]\n __set_page_owner_handle+0x2b1/0x3e0 mm/page_owner.c:171\n __set_page_owner+0x3e/0x50 mm/page_owner.c:190\n prep_new_page mm/page_alloc.c:2441 [inline]\n get_page_from_freelist+0xba2/0x3e00 mm/page_alloc.c:4182\n __alloc_pages+0x1b2/0x500 mm/page_alloc.c:5408\n alloc_pages+0x1aa/0x310 mm/mempolicy.c:2272\n alloc_slab_page mm/slub.c:1799 [inline]\n allocate_slab+0x26c/0x3c0 mm/slub.c:1944\n new_slab mm/slub.c:2004 [inline]\n ___slab_alloc+0x8df/0xf20 mm/slub.c:3005\n __slab_alloc.constprop.0+0x4d/0xa0 mm/slub.c:3092\n slab_alloc_node mm/slub.c:3183 [inline]\n slab_alloc mm/slub.c:3225 [inline]\n __kmem_cache_alloc_lru mm/slub.c:3232 [inline]\n kmem_cache_alloc+0x360/0x3b0 mm/slub.c:3242\n dst_alloc+0x146/0x1f0 net/core/dst.c:92",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "865ed6a3278654ce4a55eb74c5283eeb82ad4699",
              "status": "affected",
              "versionType": "git",
              "lessThan": "5cd9900a1ac8b0a4ff3cd97d4d77b7711be435bf"
            },
            {
              "version": "865ed6a3278654ce4a55eb74c5283eeb82ad4699",
              "status": "affected",
              "versionType": "git",
              "lessThan": "cd8c1fd8cdd14158f2d8bea2d1bfe8015dccfa3a"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.18",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.18"
            },
            {
              "version": "5.18.3",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.18.*"
            },
            {
              "version": "5.19",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}