{
  "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-2026-53237",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-53237",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-06-25T08:39:33.833Z",
    "updatedAt": "2026-06-25T08:39:33.833Z",
    "importedAt": "2026-10-24T01:58:20.586Z",
    "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": "gpio: mvebu: fix NULL pointer dereference in suspend/resume",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ngpio: mvebu: fix NULL pointer dereference in suspend/resume\n\nmvebu_pwm_suspend() and mvebu_pwm_resume() are called for all GPIO\nbanks during suspend/resume, but not all banks have PWM functionality.\nGPIO banks without PWM have mvchip->mvpwm set to NULL.\n\nCalling mvebu_pwm_suspend() with mvpwm == NULL causes a NULL pointer\ndereference when it tries to access mvpwm->blink_select.\n\n  Unable to handle kernel NULL pointer dereference at virtual address 00000020 when write\n  [00000020] *pgd=00000000\n  Internal error: Oops: 815 [#1] PREEMPT ARM\n  Modules linked in:\n  CPU: 0 UID: 0 PID: 406 Comm: sh Not tainted 6.12.74-rt12-yocto-standard-g4e96f98fb7db-dirty #353\n  Hardware name: Marvell Armada 370/XP (Device Tree)\n  PC is at regmap_mmio_read+0x38/0x54\n  LR is at regmap_mmio_read+0x38/0x54\n  pc : [<c05fd2ac>]    lr : [<c05fd2ac>]    psr: 200f0013\n  sp : f0c11d10  ip : 00000000  fp : c100d2f0\n  r10: c14fb854  r9 : 00000000  r8 : 00000000\n  r7 : c1799c00  r6 : 00000020  r5 : 00000020  r4 : c179c7c0\n  r3 : f0a231a0  r2 : 00000020  r1 : 00000020  r0 : 00000000\n  Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none\n  Control: 10c5387d  Table: 135ec059  DAC: 00000051\n  Call trace:\n   regmap_mmio_read from _regmap_bus_reg_read+0x78/0xac\n   _regmap_bus_reg_read from _regmap_read+0x60/0x154\n   _regmap_read from regmap_read+0x3c/0x60\n   regmap_read from mvebu_gpio_suspend+0xa4/0x14c\n   mvebu_gpio_suspend from dpm_run_callback+0x54/0x180\n   dpm_run_callback from device_suspend+0x124/0x630\n   device_suspend from dpm_suspend+0x124/0x270\n   dpm_suspend from dpm_suspend_start+0x64/0x6c\n   dpm_suspend_start from suspend_devices_and_enter+0x140/0x8e8\n   suspend_devices_and_enter from pm_suspend+0x2fc/0x308\n   pm_suspend from state_store+0x6c/0xc8\n   state_store from kernfs_fop_write_iter+0x10c/0x1f8\n   kernfs_fop_write_iter from vfs_write+0x270/0x468\n   vfs_write from ksys_write+0x70/0xf0\n   ksys_write from ret_fast_syscall+0x0/0x54\n\nAdd a NULL check for mvchip->mvpwm before calling the PWM\nsuspend/resume functions.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "757642f9a584e893f3f4e50c99b674ee8a3ed363",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7db09011ce62162d72897fc4856b4425245dfe35"
            },
            {
              "version": "757642f9a584e893f3f4e50c99b674ee8a3ed363",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4ef24338eda3c7e96d6f94a988266ff16ed3985d"
            },
            {
              "version": "757642f9a584e893f3f4e50c99b674ee8a3ed363",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6136c1474db88272231573e222896e1998d34662"
            },
            {
              "version": "757642f9a584e893f3f4e50c99b674ee8a3ed363",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c9677a9274ffb44987ec209dc8ec9f2d34946956"
            },
            {
              "version": "757642f9a584e893f3f4e50c99b674ee8a3ed363",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b9ad50d7505ebd48282ec3630258dc820fc85c81"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.12",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.12"
            },
            {
              "version": "6.6.143",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.94",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.36",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.0.13",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.0.*"
            },
            {
              "version": "7.1",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}