{
  "cveId": "CVE-2024-26597",
  "url": "https://patchblox.com/security/cve/CVE-2024-26597",
  "summary": "CVE-2024-26597 is fixed in linux on 1 platform, first by DEBIAN-CVE-2024-26597, released February 23, 2024. It is not reported as exploited. Patch Radar priority: High.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  net: qualcomm: rmnet: fix global oob in rmnet_po...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  net: qualcomm: rmnet: fix global oob in rmnet_policy  The variable rmnet_link_ops assign a *bigger* maxtype which leads to a global out-of-bounds read when parsing the netlink attributes. See bug trace below:  ================================================================== BUG: KASAN: global-out-of-bounds in validate_nla lib/nlattr.c:386 [inline] BUG: KASAN: global-out-of-bounds in __nla_validate_parse\u002B0x24af/0x2750 lib/nlattr.c:600 Read of size 1 at addr ffffffff92c438d0 by task syz-executor.6/84207  CPU: 0 PID: 84207 Comm: syz-executor.6 Tainted: G                 N 6.1.0 #3 Hardware name: QEMU Standard PC (i440FX \u002B PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014 Call Trace:  \u003CTASK\u003E  __dump_stack lib/dump_stack.c:88 [inline]  dump_stack_lvl\u002B0x8b/0xb3 lib/dump_stack.c:106  print_address_description mm/kasan/report.c:284 [inline]  print_report\u002B0x172/0x475 mm/kasan/report.c:395  kasan_report\u002B0xbb/0x1c0 mm/kasan/report.c:495  validate_nla lib/nlattr.c:386 [inline]  __nla_validate_parse\u002B0x24af/0x2750 lib/nlattr.c:600  __nla_parse\u002B0x3e/0x50 lib/nlattr.c:697  nla_parse_nested_deprecated include/net/netlink.h:1248 [inline]  __rtnl_newlink\u002B0x50a/0x1880 net/core/rtnetlink.c:3485  rtnl_newlink\u002B0x64/0xa0 net/core/rtnetlink.c:3594  rtnetlink_rcv_msg\u002B0x43c/0xd70 net/core/rtnetlink.c:6091  netlink_rcv_skb\u002B0x14f/0x410 net/netlink/af_netlink.c:2540  netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]  netlink_unicast\u002B0x54e/0x800 net/netlink/af_netlink.c:1345  netlink_sendmsg\u002B0x930/0xe50 net/netlink/af_netlink.c:1921  sock_sendmsg_nosec net/socket.c:714 [inline]  sock_sendmsg\u002B0x154/0x190 net/socket.c:734  ____sys_sendmsg\u002B0x6df/0x840 net/socket.c:2482  ___sys_sendmsg\u002B0x110/0x1b0 net/socket.c:2536  __sys_sendmsg\u002B0xf3/0x1c0 net/socket.c:2565  do_syscall_x64 arch/x86/entry/common.c:50 [inline]  do_syscall_64\u002B0x3b/0x90 arch/x86/entry/common.c:80  entry_SYSCALL_64_after_hwframe\u002B0x63/0xcd RIP: 0033:0x7fdcf2072359 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 \u003C48\u003E 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fdcf13e3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fdcf219ff80 RCX: 00007fdcf2072359 RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 RBP: 00007fdcf20bd493 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffbb8d7bdf R14: 00007fdcf13e3300 R15: 0000000000022000  \u003C/TASK\u003E  The buggy address belongs to the variable:  rmnet_policy\u002B0x30/0xe0  The buggy address belongs to the physical page: page:0000000065bdeb3c refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x155243 flags: 0x200000000001000(reserved|node=0|zone=2) raw: 0200000000001000 ffffea00055490c8 ffffea00055490c8 0000000000000000 raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected  Memory state around the buggy address:  ffffffff92c43780: f9 f9 f9 f9 00 00 00 02 f9 f9 f9 f9 00 00 00 07  ffffffff92c43800: f9 f9 f9 f9 00 00 00 05 f9 f9 f9 f9 06 f9 f9 f9 \u003Effffffff92c43880: f9 f9 f9 f9 00 00 00 00 00 00 f9 f9 f9 f9 f9 f9                                                  ^  ffffffff92c43900: 00 00 00 00 00 00 00 00 07 f9 f9 f9 f9 f9 f9 f9  ffffffff92c43980: 00 00 00 07 f9 f9 f9 f9 00 00 00 05 f9 f9 f9 f9  According to the comment of \u0060nla_parse_nested_deprecated\u0060, the maxtype should be len(destination array) - 1. Hence use \u0060IFLA_RMNET_MAX\u0060 here.",
  "published": "2024-02-23T15:15:09Z",
  "severity": "high",
  "cvss": 7.1,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
  "epss": 0.00257,
  "epssPercentile": 0.17488,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "6.1.76-1",
      "fix": "DEBIAN-CVE-2024-26597",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2024-26597",
      "released": "2024-02-23T15:15:09Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.6.15-1",
      "fix": "DEBIAN-CVE-2024-26597",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2024-26597",
      "released": "2024-02-23T15:15:09Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.6.15-1",
      "fix": "DEBIAN-CVE-2024-26597",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2024-26597",
      "released": "2024-02-23T15:15:09Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T13:31:49Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}