{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2024-26902",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2024-26902",
    "idYear": 2024,
    "status": "PUBLISHED",
    "publishedAt": "2024-04-17T10:27:51.042Z",
    "updatedAt": "2026-05-11T20:06:38.156Z",
    "importedAt": "2026-10-24T01:57:07.518Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "perf: RISCV: Fix panic on pmu overflow handler",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nperf: RISCV: Fix panic on pmu overflow handler\n\n(1 << idx) of int is not desired when setting bits in unsigned long\noverflowed_ctrs, use BIT() instead. This panic happens when running\n'perf record -e branches' on sophgo sg2042.\n\n[  273.311852] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000098\n[  273.320851] Oops [#1]\n[  273.323179] Modules linked in:\n[  273.326303] CPU: 0 PID: 1475 Comm: perf Not tainted 6.6.0-rc3+ #9\n[  273.332521] Hardware name: Sophgo Mango (DT)\n[  273.336878] epc : riscv_pmu_ctr_get_width_mask+0x8/0x62\n[  273.342291]  ra : pmu_sbi_ovf_handler+0x2e0/0x34e\n[  273.347091] epc : ffffffff80aecd98 ra : ffffffff80aee056 sp : fffffff6e36928b0\n[  273.354454]  gp : ffffffff821f82d0 tp : ffffffd90c353200 t0 : 0000002ade4f9978\n[  273.361815]  t1 : 0000000000504d55 t2 : ffffffff8016cd8c s0 : fffffff6e3692a70\n[  273.369180]  s1 : 0000000000000020 a0 : 0000000000000000 a1 : 00001a8e81800000\n[  273.376540]  a2 : 0000003c00070198 a3 : 0000003c00db75a4 a4 : 0000000000000015\n[  273.383901]  a5 : ffffffd7ff8804b0 a6 : 0000000000000015 a7 : 000000000000002a\n[  273.391327]  s2 : 000000000000ffff s3 : 0000000000000000 s4 : ffffffd7ff8803b0\n[  273.398773]  s5 : 0000000000504d55 s6 : ffffffd905069800 s7 : ffffffff821fe210\n[  273.406139]  s8 : 000000007fffffff s9 : ffffffd7ff8803b0 s10: ffffffd903f29098\n[  273.413660]  s11: 0000000080000000 t3 : 0000000000000003 t4 : ffffffff8017a0ca\n[  273.421022]  t5 : ffffffff8023cfc2 t6 : ffffffd9040780e8\n[  273.426437] status: 0000000200000100 badaddr: 0000000000000098 cause: 000000000000000d\n[  273.434512] [<ffffffff80aecd98>] riscv_pmu_ctr_get_width_mask+0x8/0x62\n[  273.441169] [<ffffffff80076bd8>] handle_percpu_devid_irq+0x98/0x1ee\n[  273.447562] [<ffffffff80071158>] generic_handle_domain_irq+0x28/0x36\n[  273.454151] [<ffffffff8047a99a>] riscv_intc_irq+0x36/0x4e\n[  273.459659] [<ffffffff80c944de>] handle_riscv_irq+0x4a/0x74\n[  273.465442] [<ffffffff80c94c48>] do_irq+0x62/0x92\n[  273.470360] Code: 0420 60a2 6402 5529 0141 8082 0013 0000 0013 0000 (6d5c) b783\n[  273.477921] ---[ end trace 0000000000000000 ]---\n[  273.482630] Kernel panic - not syncing: Fatal exception in interrupt",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "4905ec2fb7e6421c14c9fb7276f5aa92f60f2b98",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3ede8e94de6b834b48b0643385e66363e7a04be9"
            },
            {
              "version": "4905ec2fb7e6421c14c9fb7276f5aa92f60f2b98",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9f599ba3b9cc4bdb8ec1e3f0feddd41bf9d296d6"
            },
            {
              "version": "4905ec2fb7e6421c14c9fb7276f5aa92f60f2b98",
              "status": "affected",
              "versionType": "git",
              "lessThan": "34b567868777e9fd39ec5333969728a7f0cf179c"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.18",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.18"
            },
            {
              "version": "6.6.23",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.7.11",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.7.*"
            },
            {
              "version": "6.8",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}