{
  "cveId": "CVE-2023-52978",
  "url": "https://patchblox.com/security/cve/CVE-2023-52978",
  "summary": "CVE-2023-52978 is fixed in linux on 1 platform, first by DEBIAN-CVE-2023-52978, released March 27, 2025. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  riscv: kprobe: Fixup kernel panic when probing a...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  riscv: kprobe: Fixup kernel panic when probing an illegal position  The kernel would panic when probed for an illegal position. eg:  (CONFIG_RISCV_ISA_C=n)  echo \u0027p:hello kernel_clone\u002B0x16 a0=%a0\u0027 \u003E\u003E kprobe_events echo 1 \u003E events/kprobes/hello/enable cat trace  Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: __do_sys_newfstatat\u002B0xb8/0xb8 CPU: 0 PID: 111 Comm: sh Not tainted 6.2.0-rc1-00027-g2d398fe49a4d #490 Hardware name: riscv-virtio,qemu (DT) Call Trace: [\u003Cffffffff80007268\u003E] dump_backtrace\u002B0x38/0x48 [\u003Cffffffff80c5e83c\u003E] show_stack\u002B0x50/0x68 [\u003Cffffffff80c6da28\u003E] dump_stack_lvl\u002B0x60/0x84 [\u003Cffffffff80c6da6c\u003E] dump_stack\u002B0x20/0x30 [\u003Cffffffff80c5ecf4\u003E] panic\u002B0x160/0x374 [\u003Cffffffff80c6db94\u003E] generic_handle_arch_irq\u002B0x0/0xa8 [\u003Cffffffff802deeb0\u003E] sys_newstat\u002B0x0/0x30 [\u003Cffffffff800158c0\u003E] sys_clone\u002B0x20/0x30 [\u003Cffffffff800039e8\u003E] ret_from_syscall\u002B0x0/0x4 ---[ end Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: __do_sys_newfstatat\u002B0xb8/0xb8 ]---  That is because the kprobe\u0027s ebreak instruction broke the kernel\u0027s original code. The user should guarantee the correction of the probe position, but it couldn\u0027t make the kernel panic.  This patch adds arch_check_kprobe in arch_prepare_kprobe to prevent an illegal position (Such as the middle of an instruction).",
  "published": "2025-03-27T17:15:44Z",
  "severity": "medium",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00258,
  "epssPercentile": 0.17598,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "6.1.11-1",
      "fix": "DEBIAN-CVE-2023-52978",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-52978",
      "released": "2025-03-27T17:15:44Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.1.11-1",
      "fix": "DEBIAN-CVE-2023-52978",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-52978",
      "released": "2025-03-27T17:15:44Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.1.11-1",
      "fix": "DEBIAN-CVE-2023-52978",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-52978",
      "released": "2025-03-27T17:15:44Z"
    }
  ],
  "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"
  }
}