{
  "cveId": "CVE-2023-52599",
  "url": "https://patchblox.com/security/cve/CVE-2023-52599",
  "summary": "CVE-2023-52599 is fixed in linux on 1 platform, first by DEBIAN-CVE-2023-52599, released March 6, 2024. It is not reported as exploited. Patch Radar priority: High.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  jfs: fix array-index-out-of-bounds in diNewExt...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  jfs: fix array-index-out-of-bounds in diNewExt  [Syz report] UBSAN: array-index-out-of-bounds in fs/jfs/jfs_imap.c:2360:2 index -878706688 is out of range for type \u0027struct iagctl[128]\u0027 CPU: 1 PID: 5065 Comm: syz-executor282 Not tainted 6.7.0-rc4-syzkaller-00009-gbee0e7762ad2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 Call Trace:  \u003CTASK\u003E  __dump_stack lib/dump_stack.c:88 [inline]  dump_stack_lvl\u002B0x1e7/0x2d0 lib/dump_stack.c:106  ubsan_epilogue lib/ubsan.c:217 [inline]  __ubsan_handle_out_of_bounds\u002B0x11c/0x150 lib/ubsan.c:348  diNewExt\u002B0x3cf3/0x4000 fs/jfs/jfs_imap.c:2360  diAllocExt fs/jfs/jfs_imap.c:1949 [inline]  diAllocAG\u002B0xbe8/0x1e50 fs/jfs/jfs_imap.c:1666  diAlloc\u002B0x1d3/0x1760 fs/jfs/jfs_imap.c:1587  ialloc\u002B0x8f/0x900 fs/jfs/jfs_inode.c:56  jfs_mkdir\u002B0x1c5/0xb90 fs/jfs/namei.c:225  vfs_mkdir\u002B0x2f1/0x4b0 fs/namei.c:4106  do_mkdirat\u002B0x264/0x3a0 fs/namei.c:4129  __do_sys_mkdir fs/namei.c:4149 [inline]  __se_sys_mkdir fs/namei.c:4147 [inline]  __x64_sys_mkdir\u002B0x6e/0x80 fs/namei.c:4147  do_syscall_x64 arch/x86/entry/common.c:51 [inline]  do_syscall_64\u002B0x45/0x110 arch/x86/entry/common.c:82  entry_SYSCALL_64_after_hwframe\u002B0x63/0x6b RIP: 0033:0x7fcb7e6a0b57 Code: ff ff 77 07 31 c0 c3 0f 1f 40 00 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 b8 53 00 00 00 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:00007ffd83023038 EFLAGS: 00000286 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007fcb7e6a0b57 RDX: 00000000000a1020 RSI: 00000000000001ff RDI: 0000000020000140 RBP: 0000000020000140 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000286 R12: 00007ffd830230d0 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000  [Analysis] When the agstart is too large, it can cause agno overflow.  [Fix] After obtaining agno, if the value is invalid, exit the subsequent process.   Modified the test from agno \u003E MAXAG to agno \u003E= MAXAG based on linux-next report by kernel test robot (Dan Carpenter).",
  "published": "2024-03-06T07:15:10Z",
  "severity": "high",
  "cvss": 7.8,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.00251,
  "epssPercentile": 0.16622,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "6.1.82-1",
      "fix": "DEBIAN-CVE-2023-52599",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-52599",
      "released": "2024-03-06T07:15:10Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.7.7-1",
      "fix": "DEBIAN-CVE-2023-52599",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-52599",
      "released": "2024-03-06T07:15:10Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.7.7-1",
      "fix": "DEBIAN-CVE-2023-52599",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-52599",
      "released": "2024-03-06T07:15:10Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T01:18:40Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}