riscv: Fix sleeping in invalid context in die()

{
  "id": "72d2f3070048c90230ad05d8181c1b86fd3976cfce0fe51d2b6a4bef503246c2",
  "url": "https://osv.dev/vulnerability/CVE-2024-57939",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "riscv: Fix sleeping in invalid context in die()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: riscv: Fix sleeping in invalid context in die() die() can be called in exception handler, and therefore cannot sleep. However, die() takes spinlock_t which can sleep with PREEMPT_RT enabled. That causes the following warning: BUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:48 in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 285, name: mutex preempt_count: 110001, expected: 0 RCU nest depth: 0, expected: 0 CPU: 0 UID: 0 PID: 285 Comm: mutex Not tainted 6.12.0-rc7-00022-ge19049cf7d56-dirty #234 Hardware name: riscv-virtio,qemu (DT) Call Trace: dump_backtrace+0x1c/0x24 show_stack+0x2c/0x38 dump_stack_lvl+0x5a/0x72 dump_stack+0x14/0x1c __might_resched+0x130/0x13a rt_spin_lock+0x2a/0x5c die+0x24/0x112 do_trap_insn_illegal+0xa0/0xea _new_vmalloc_restore_context_a0+0xcc/0xd8 Oops - illegal instruction [#1] Switch to use raw_spinlock_t, which does not sleep even with PREEMPT_RT enabled.",
    "evidence": "osv:CVE-2024-57939",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.10.234",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.177",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.125",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.6.72",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.12.10",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "CVE-2024-57939",
      "aliases": [
        "CVE-2024-57939"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "76d2a0493a17d4c8ecc781366850c3c4f8e1a446"
                },
                {
                  "fixed": "8c38baa03ac8e18140faf36a3b955d30cad48e74"
                },
                {
                  "fixed": "10c24df2e303f517fab0359392c11b6b1d553f2b"
                },
                {
                  "fixed": "c21df31fc2a4afc02a6e56511364e9e793ea92ec"
                },
                {
                  "fixed": "f48f060a4b36b5e96628f6c3fb1540f1e8dedb69"
                },
                {
                  "fixed": "76ab0afcdbe8c9685b589016ee1c0e25fe596707"
                },
                {
                  "fixed": "6a97f4118ac07cfdc316433f385dbdc12af5025e"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-57939.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "4.15.0"
                },
                {
                  "fixed": "5.10.234"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.11.0"
                },
                {
                  "fixed": "5.15.177"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.16.0"
                },
                {
                  "fixed": "6.1.125"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.2.0"
                },
                {
                  "fixed": "6.6.72"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.7.0"
                },
                {
                  "fixed": "6.12.10"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-57939.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:45.798582738Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/10c24df2e303f517fab0359392c11b6b1d553f2b",
        "https://git.kernel.org/stable/c/6a97f4118ac07cfdc316433f385dbdc12af5025e",
        "https://git.kernel.org/stable/c/76ab0afcdbe8c9685b589016ee1c0e25fe596707",
        "https://git.kernel.org/stable/c/8c38baa03ac8e18140faf36a3b955d30cad48e74",
        "https://git.kernel.org/stable/c/c21df31fc2a4afc02a6e56511364e9e793ea92ec",
        "https://git.kernel.org/stable/c/f48f060a4b36b5e96628f6c3fb1540f1e8dedb69",
        "https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/57xxx/CVE-2024-57939.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-57939",
        "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/2024/57xxx/CVE-2024-57939.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-57939",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 513512,
  "published_at": "2025-01-21T12:18:08.433+00:00"
}