{
  "cveId": "CVE-2025-68787",
  "url": "https://patchblox.com/security/cve/CVE-2025-68787",
  "summary": "CVE-2025-68787 is fixed in linux on 1 platform, first by DEBIAN-CVE-2025-68787, released January 13, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "netrom: Fix memory leak in nr_sendmsg()",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  netrom: Fix memory leak in nr_sendmsg()  syzbot reported a memory leak [1].  When function sock_alloc_send_skb() return NULL in nr_output(), the original skb is not freed, which was allocated in nr_sendmsg(). Fix this by freeing it before return.  [1] BUG: memory leak unreferenced object 0xffff888129f35500 (size 240):   comm \u0022syz.0.17\u0022, pid 6119, jiffies 4294944652   hex dump (first 32 bytes):     00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................     00 00 00 00 00 00 00 00 00 10 52 28 81 88 ff ff  ..........R(....   backtrace (crc 1456a3e4):     kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]     slab_post_alloc_hook mm/slub.c:4983 [inline]     slab_alloc_node mm/slub.c:5288 [inline]     kmem_cache_alloc_node_noprof\u002B0x36f/0x5e0 mm/slub.c:5340     __alloc_skb\u002B0x203/0x240 net/core/skbuff.c:660     alloc_skb include/linux/skbuff.h:1383 [inline]     alloc_skb_with_frags\u002B0x69/0x3f0 net/core/skbuff.c:6671     sock_alloc_send_pskb\u002B0x379/0x3e0 net/core/sock.c:2965     sock_alloc_send_skb include/net/sock.h:1859 [inline]     nr_sendmsg\u002B0x287/0x450 net/netrom/af_netrom.c:1105     sock_sendmsg_nosec net/socket.c:727 [inline]     __sock_sendmsg net/socket.c:742 [inline]     sock_write_iter\u002B0x293/0x2a0 net/socket.c:1195     new_sync_write fs/read_write.c:593 [inline]     vfs_write\u002B0x45d/0x710 fs/read_write.c:686     ksys_write\u002B0x143/0x170 fs/read_write.c:738     do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]     do_syscall_64\u002B0xa4/0xfa0 arch/x86/entry/syscall_64.c:94     entry_SYSCALL_64_after_hwframe\u002B0x77/0x7f",
  "published": "2026-01-13T16:15:58Z",
  "severity": "Moderate",
  "cvss": 5.5,
  "epss": 0.00234,
  "epssPercentile": 0.14352,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-68787",
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "6.1.162-1",
      "fix": "DEBIAN-CVE-2025-68787",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2025-68787",
      "released": "2026-01-13T16:15:58Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.12.69-1",
      "fix": "DEBIAN-CVE-2025-68787",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2025-68787",
      "released": "2026-01-13T16:15:58Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.18.3-1",
      "fix": "DEBIAN-CVE-2025-68787",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2025-68787",
      "released": "2026-01-13T16:15:58Z"
    }
  ],
  "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"
  }
}