LoongArch: KVM: Mark hrtimer to expire in hard interrupt context

{
  "id": "a8b952652960a84d4a6f003f2411d69ecc83996a3bca6a4586e0a72dc33e531f",
  "url": "https://osv.dev/vulnerability/CVE-2024-53089",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "LoongArch: KVM: Mark hrtimer to expire in hard interrupt context",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Mark hrtimer to expire in hard interrupt context Like commit 2c0d278f3293f (\"KVM: LAPIC: Mark hrtimer to expire in hard interrupt context\") and commit 9090825fa9974 (\"KVM: arm/arm64: Let the timer expire in hardirq context on RT\"), On PREEMPT_RT enabled kernels unmarked hrtimers are moved into soft interrupt expiry mode by default. Then the timers are canceled from an preempt-notifier which is invoked with disabled preemption which is not allowed on PREEMPT_RT. The timer callback is short so in could be invoked in hard-IRQ context. So let the timer expire on hard-IRQ context even on -RT. This fix a \"scheduling while atomic\" bug for PREEMPT_RT enabled kernels: BUG: scheduling while atomic: qemu-system-loo/1011/0x00000002 Modules linked in: amdgpu rfkill nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat ns CPU: 1 UID: 0 PID: 1011 Comm: qemu-system-loo Tainted: G W 6.12.0-rc2+ #1774 Tainted: [W]=WARN Hardware name: Loongson Loongson-3A5000-7A1000-1w-CRB/Loongson-LS3A5000-7A1000-1w-CRB, BIOS vUDK2018-LoongArch-V2.0.0-prebeta9 10/21/2022 Stack : ffffffffffffffff 0000000000000000 9000000004e3ea38 9000000116744000 90000001167475a0 0000000000000000 90000001167475a8 9000000005644830 90000000058dc000 90000000058dbff8 9000000116747420 0000000000000001 0000000000000001 6a613fc938313980 000000000790c000 90000001001c1140 000000000000",
    "evidence": "osv:CVE-2024-53089",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.11.9",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "CVE-2024-53089",
      "aliases": [
        "CVE-2024-53089"
      ],
      "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": "fa96b57c149061f71a70bd6582d995f6424fbbf4"
                },
                {
                  "fixed": "1e4c384a4be9ed1e069e24f388ab2ee9951b77b5"
                },
                {
                  "fixed": "73adbd92f3223dc0c3506822b71c6b259d5d537b"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-53089.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.19.0"
                },
                {
                  "fixed": "6.11.9"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-53089.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:46.478370995Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/1e4c384a4be9ed1e069e24f388ab2ee9951b77b5",
        "https://git.kernel.org/stable/c/73adbd92f3223dc0c3506822b71c6b259d5d537b",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/53xxx/CVE-2024-53089.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-53089",
        "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-2024-53089.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-53089",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 514435,
  "published_at": "2024-11-21T18:17:06.64+00:00"
}