{
  "cveId": "CVE-2022-49803",
  "url": "https://patchblox.com/security/cve/CVE-2022-49803",
  "summary": "CVE-2022-49803 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-49803, released May 1, 2025. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "netdevsim: Fix memory leak of nsim_dev-\u003Efa_cookie",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  netdevsim: Fix memory leak of nsim_dev-\u003Efa_cookie  kmemleak reports this issue:  unreferenced object 0xffff8881bac872d0 (size 8):   comm \u0022sh\u0022, pid 58603, jiffies 4481524462 (age 68.065s)   hex dump (first 8 bytes):     04 00 00 00 de ad be ef                          ........   backtrace:     [\u003C00000000c80b8577\u003E] __kmalloc\u002B0x49/0x150     [\u003C000000005292b8c6\u003E] nsim_dev_trap_fa_cookie_write\u002B0xc1/0x210 [netdevsim]     [\u003C0000000093d78e77\u003E] full_proxy_write\u002B0xf3/0x180     [\u003C000000005a662c16\u003E] vfs_write\u002B0x1c5/0xaf0     [\u003C000000007aabf84a\u003E] ksys_write\u002B0xed/0x1c0     [\u003C000000005f1d2e47\u003E] do_syscall_64\u002B0x3b/0x90     [\u003C000000006001c6ec\u003E] entry_SYSCALL_64_after_hwframe\u002B0x63/0xcd  The issue occurs in the following scenarios:  nsim_dev_trap_fa_cookie_write()   kmalloc() fa_cookie   nsim_dev-\u003Efa_cookie = fa_cookie .. nsim_drv_remove()  The fa_cookie allocked in nsim_dev_trap_fa_cookie_write() is not freed. To fix, add kfree(nsim_dev-\u003Efa_cookie) to nsim_drv_remove().",
  "published": "2025-05-01T15:16:03Z",
  "severity": "Moderate",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "cwe": "Missing Release of Memory after Effective Lifetime",
  "epss": 0.00203,
  "epssPercentile": 0.10352,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-49803",
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "6.0.10-1",
      "fix": "DEBIAN-CVE-2022-49803",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49803",
      "released": "2025-05-01T15:16:03Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.0.10-1",
      "fix": "DEBIAN-CVE-2022-49803",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49803",
      "released": "2025-05-01T15:16:03Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.0.10-1",
      "fix": "DEBIAN-CVE-2022-49803",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49803",
      "released": "2025-05-01T15:16:03Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}