{"cve":{"cve_id":"CVE-2026-53237","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":null,"epss_percentile":null,"epss_as_of":null,"description":"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.","published_at":"2026-06-25T08:39:33.833000Z","last_modified_at":null,"cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":null,"nvd_references":["https://git.kernel.org/stable/c/7db09011ce62162d72897fc4856b4425245dfe35","https://git.kernel.org/stable/c/4ef24338eda3c7e96d6f94a988266ff16ed3985d","https://git.kernel.org/stable/c/6136c1474db88272231573e222896e1998d34662","https://git.kernel.org/stable/c/c9677a9274ffb44987ec209dc8ec9f2d34946956","https://git.kernel.org/stable/c/b9ad50d7505ebd48282ec3630258dc820fc85c81"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-28T17:55:28.590503Z","updated_at":"2026-06-28T23:30:51.545322Z"},"effective_severity":null,"badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"757642f9a584e893f3f4e50c99b674ee8a3ed363","version_start_inclusive":true,"version_end":"7db09011ce62162d72897fc4856b4425245dfe35","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:757642f9a584e893f3f4e50c99b674ee8a3ed363:7db09011ce62162d72897fc4856b4425245dfe35"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"757642f9a584e893f3f4e50c99b674ee8a3ed363","version_start_inclusive":true,"version_end":"4ef24338eda3c7e96d6f94a988266ff16ed3985d","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:757642f9a584e893f3f4e50c99b674ee8a3ed363:4ef24338eda3c7e96d6f94a988266ff16ed3985d"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"757642f9a584e893f3f4e50c99b674ee8a3ed363","version_start_inclusive":true,"version_end":"6136c1474db88272231573e222896e1998d34662","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:757642f9a584e893f3f4e50c99b674ee8a3ed363:6136c1474db88272231573e222896e1998d34662"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"757642f9a584e893f3f4e50c99b674ee8a3ed363","version_start_inclusive":true,"version_end":"c9677a9274ffb44987ec209dc8ec9f2d34946956","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:757642f9a584e893f3f4e50c99b674ee8a3ed363:c9677a9274ffb44987ec209dc8ec9f2d34946956"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"757642f9a584e893f3f4e50c99b674ee8a3ed363","version_start_inclusive":true,"version_end":"b9ad50d7505ebd48282ec3630258dc820fc85c81","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:757642f9a584e893f3f4e50c99b674ee8a3ed363:b9ad50d7505ebd48282ec3630258dc820fc85c81"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"4.12","version_start_inclusive":true,"version_end":"4.12","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:4.12:4.12"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"0","version_start_inclusive":true,"version_end":"4.12","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:0:4.12"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.6.143","version_start_inclusive":true,"version_end":"6.6.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.6.143:6.6.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.12.94","version_start_inclusive":true,"version_end":"6.12.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.12.94:6.12.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.18.36","version_start_inclusive":true,"version_end":"6.18.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.18.36:6.18.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"7.0.13","version_start_inclusive":true,"version_end":"7.0.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:7.0.13:7.0.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"7.1","version_start_inclusive":true,"version_end":"*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:7.1:*"}],"exploit_refs":[],"news":[],"references":[{"url":"https://git.kernel.org/stable/c/7db09011ce62162d72897fc4856b4425245dfe35","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/4ef24338eda3c7e96d6f94a988266ff16ed3985d","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/6136c1474db88272231573e222896e1998d34662","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/c9677a9274ffb44987ec209dc8ec9f2d34946956","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/b9ad50d7505ebd48282ec3630258dc820fc85c81","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2026-06-25T08:39:33.833000Z","label":"CVE published","source":null}]}