netdevsim: avoid potential loop in nsim_dev_trap_report_work()

{
  "id": "9bbe3ec07227ed65982529f91275a48de91c9dd69bd45bd08f0ebe4628cd6f27",
  "url": "https://osv.dev/vulnerability/CVE-2024-26681",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "netdevsim: avoid potential loop in nsim_dev_trap_report_work()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: netdevsim: avoid potential loop in nsim_dev_trap_report_work() Many syzbot reports include the following trace [1] If nsim_dev_trap_report_work() can not grab the mutex, it should rearm itself at least one jiffie later. [1] Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 32383 Comm: kworker/0:2 Not tainted 6.8.0-rc2-syzkaller-00031-g861c0981648f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 Workqueue: events nsim_dev_trap_report_work RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:89 [inline] RIP: 0010:memory_is_nonzero mm/kasan/generic.c:104 [inline] RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:129 [inline] RIP: 0010:memory_is_poisoned mm/kasan/generic.c:161 [inline] RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline] RIP: 0010:kasan_check_range+0x101/0x190 mm/kasan/generic.c:189 Code: 07 49 39 d1 75 0a 45 3a 11 b8 01 00 00 00 7c 0b 44 89 c2 e8 21 ed ff ff 83 f0 01 5b 5d 41 5c c3 48 85 d2 74 4f 48 01 ea eb 09 <48> 83 c0 01 48 39 d0 74 41 80 38 00 74 f2 eb b6 41 bc 08 00 00 00 RSP: 0018:ffffc90012dcf998 EFLAGS: 00000046 RAX: fffffbfff258af1e RBX: fffffbfff258af1f RCX: ffffffff8168eda3 RDX: fffffbfff258af1f RSI: 0000000000000004 RDI: ffffffff92c578f0 RBP: fffffbfff258af1e R08: 0000000000000000 R09: fffffbfff258af1e R10: ffffffff92c578f3 R11: ffffffff8acbcbc0 R12: 0000000000000002 R13: ffff88806db38400 R14: 1ffff920025b9f42 R15: f",
    "evidence": "osv:CVE-2024-26681",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.1.78",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.6.17",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.7.5",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2024-26681",
      "aliases": [
        "CVE-2024-26681"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "012ec02ae4410207f796a9b280a60b80b6cc790a"
                },
                {
                  "fixed": "0193e0660cc6689c794794b471492923cfd7bfbc"
                },
                {
                  "fixed": "6eecddd9c3c8d6e3a097531cdc6d500335b35e46"
                },
                {
                  "fixed": "d91964cdada76740811b7c621239f9c407820dbc"
                },
                {
                  "fixed": "ba5e1272142d051dcc57ca1d3225ad8a089f9858"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-26681.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.0.0"
                },
                {
                  "fixed": "6.1.78"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.2.0"
                },
                {
                  "fixed": "6.6.17"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.7.0"
                },
                {
                  "fixed": "6.7.5"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-26681.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:41.525724642Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/0193e0660cc6689c794794b471492923cfd7bfbc",
        "https://git.kernel.org/stable/c/6eecddd9c3c8d6e3a097531cdc6d500335b35e46",
        "https://git.kernel.org/stable/c/ba5e1272142d051dcc57ca1d3225ad8a089f9858",
        "https://git.kernel.org/stable/c/d91964cdada76740811b7c621239f9c407820dbc",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/26xxx/CVE-2024-26681.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-26681",
        "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/2024/26xxx/CVE-2024-26681.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-26681",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 508820,
  "published_at": "2024-04-02T07:01:44.7+00:00"
}