riscv: Fix IPIs usage in kfence_protect_page()

{
  "id": "96dc49e7b1606401cc4cb4335408c3906222c0291149082d5f36ddf442c9c3ef",
  "url": "https://osv.dev/vulnerability/CVE-2024-53687",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "riscv: Fix IPIs usage in kfence_protect_page()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: riscv: Fix IPIs usage in kfence_protect_page() flush_tlb_kernel_range() may use IPIs to flush the TLBs of all the cores, which triggers the following warning when the irqs are disabled: [ 3.455330] WARNING: CPU: 1 PID: 0 at kernel/smp.c:815 smp_call_function_many_cond+0x452/0x520 [ 3.456647] Modules linked in: [ 3.457218] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.12.0-rc7-00010-g91d3de7240b8 #1 [ 3.457416] Hardware name: QEMU QEMU Virtual Machine, BIOS [ 3.457633] epc : smp_call_function_many_cond+0x452/0x520 [ 3.457736] ra : on_each_cpu_cond_mask+0x1e/0x30 [ 3.457786] epc : ffffffff800b669a ra : ffffffff800b67c2 sp : ff2000000000bb50 [ 3.457824] gp : ffffffff815212b8 tp : ff6000008014f080 t0 : 000000000000003f [ 3.457859] t1 : ffffffff815221e0 t2 : 000000000000000f s0 : ff2000000000bc10 [ 3.457920] s1 : 0000000000000040 a0 : ffffffff815221e0 a1 : 0000000000000001 [ 3.457953] a2 : 0000000000010000 a3 : 0000000000000003 a4 : 0000000000000000 [ 3.458006] a5 : 0000000000000000 a6 : ffffffffffffffff a7 : 0000000000000000 [ 3.458042] s2 : ffffffff815223be s3 : 00fffffffffff000 s4 : ff600001ffe38fc0 [ 3.458076] s5 : ff600001ff950d00 s6 : 0000000200000120 s7 : 0000000000000001 [ 3.458109] s8 : 0000000000000001 s9 : ff60000080841ef0 s10: 0000000000000001 [ 3.458141] s11: ffffffff81524812 t3 : 0000000000000001 t4 : ff60000080092bc0 [ 3.458172] t5 : 0000000000000000 t6 : ff200000000236d0 [ 3.458203] status: 00",
    "evidence": "osv:CVE-2024-53687",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.6.67",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.12.6",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2024-53687",
      "aliases": [
        "CVE-2024-53687"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "47513f243b452a5e21180dcf3d6ac1c57e1781a6"
                },
                {
                  "fixed": "6f796a6a396d6f963f2cc8f5edd7dfba2cca097f"
                },
                {
                  "fixed": "3abfc4130c4222099c69d023fed97f1180a8ad7b"
                },
                {
                  "fixed": "b3431a8bb336cece8adc452437befa7d4534b2fd"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-53687.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.14.0"
                },
                {
                  "fixed": "6.6.67"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.7.0"
                },
                {
                  "fixed": "6.12.6"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-53687.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:43.967892662Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/3abfc4130c4222099c69d023fed97f1180a8ad7b",
        "https://git.kernel.org/stable/c/6f796a6a396d6f963f2cc8f5edd7dfba2cca097f",
        "https://git.kernel.org/stable/c/b3431a8bb336cece8adc452437befa7d4534b2fd",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/53xxx/CVE-2024-53687.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-53687",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/53xxx/CVE-2024-53687.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-53687",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 511642,
  "published_at": "2025-01-11T12:29:50.589+00:00"
}