blk-rq-qos: fix crash on rq_qos_wait vs. rq_qos_wake_function race

{
  "id": "e8812b0d74bc9077a0c0bc828afe218d0c996c55edb9fa30b390d2e85c89433c",
  "url": "https://osv.dev/vulnerability/CVE-2024-50082",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "blk-rq-qos: fix crash on rq_qos_wait vs. rq_qos_wake_function race",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: blk-rq-qos: fix crash on rq_qos_wait vs. rq_qos_wake_function race We're seeing crashes from rq_qos_wake_function that look like this: BUG: unable to handle page fault for address: ffffafe180a40084 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 100000067 P4D 100000067 PUD 10027c067 PMD 10115d067 PTE 0 Oops: Oops: 0002 [#1] PREEMPT SMP PTI CPU: 17 UID: 0 PID: 0 Comm: swapper/17 Not tainted 6.12.0-rc3-00013-geca631b8fe80 #11 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014 RIP: 0010:_raw_spin_lock_irqsave+0x1d/0x40 Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 41 54 9c 41 5c fa 65 ff 05 62 97 30 4c 31 c0 ba 01 00 00 00 0f b1 17 75 0a 4c 89 e0 41 5c c3 cc cc cc cc 89 c6 e8 2c 0b 00 RSP: 0018:ffffafe180580ca0 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffffafe180a3f7a8 RCX: 0000000000000011 RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffafe180a40084 RBP: 0000000000000000 R08: 00000000001e7240 R09: 0000000000000011 R10: 0000000000000028 R11: 0000000000000888 R12: 0000000000000002 R13: ffffafe180a40084 R14: 0000000000000000 R15: 0000000000000003 FS: 0000000000000000(0000) GS:ffff9aaf1f280000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffafe180a40084 CR3: 000000010e428002 CR4: 0000000000770ef0 DR0: 0000000000000000 DR1: 000000000000000",
    "evidence": "osv:CVE-2024-50082",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.4.285",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.10.228",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.169",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.114",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.6.58",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.11.5",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2024-50082",
      "aliases": [
        "CVE-2024-50082"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "38cfb5a45ee013bfab5d1ae4c4738815e744b440"
                },
                {
                  "fixed": "d04b72c9ef2b0689bfc1057d21c4aeed087c329f"
                },
                {
                  "fixed": "3bc6d0f8b70a9101456cf02ab99acb75254e1852"
                },
                {
                  "fixed": "455a469758e57a6fe070e3e342db12e4a629e0eb"
                },
                {
                  "fixed": "b5e900a3612b69423a0e1b0ab67841a1fb4af80f"
                },
                {
                  "fixed": "4c5b123ab289767afe940389dbb963c5c05e594e"
                },
                {
                  "fixed": "04f283fc16c8d5db641b6bffd2d8310aa7eccebc"
                },
                {
                  "fixed": "e972b08b91ef48488bae9789f03cfedb148667fb"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-50082.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "4.19.0"
                },
                {
                  "fixed": "5.4.285"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.5.0"
                },
                {
                  "fixed": "5.10.228"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.11.0"
                },
                {
                  "fixed": "5.15.169"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.16.0"
                },
                {
                  "fixed": "6.1.114"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.2.0"
                },
                {
                  "fixed": "6.6.58"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.7.0"
                },
                {
                  "fixed": "6.11.5"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-50082.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:47.884323614Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/04f283fc16c8d5db641b6bffd2d8310aa7eccebc",
        "https://git.kernel.org/stable/c/3bc6d0f8b70a9101456cf02ab99acb75254e1852",
        "https://git.kernel.org/stable/c/455a469758e57a6fe070e3e342db12e4a629e0eb",
        "https://git.kernel.org/stable/c/4c5b123ab289767afe940389dbb963c5c05e594e",
        "https://git.kernel.org/stable/c/b5e900a3612b69423a0e1b0ab67841a1fb4af80f",
        "https://git.kernel.org/stable/c/d04b72c9ef2b0689bfc1057d21c4aeed087c329f",
        "https://git.kernel.org/stable/c/e972b08b91ef48488bae9789f03cfedb148667fb",
        "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html",
        "https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/50xxx/CVE-2024-50082.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-50082",
        "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/2024/50xxx/CVE-2024-50082.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-50082",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 515881,
  "published_at": "2024-10-29T00:50:24.667+00:00"
}