Search/CVE-2025-21821
● CVE — Medium

CVE-2025-21821

VendorlinuxProductlinux kernelDiscoveredFeb 27, 2025UpdatedNov 3, 2025

In the Linux kernel, the following vulnerability has been resolved: fbdev: omap: use threaded IRQ for LCD DMA When using touchscreen and framebuffer, Nokia 770 crashes easily with: BUG: scheduling while atomic: irq/144-ads7846/82/0x00010000 Modules linked in: usb_f_ecm g_ether usb_f_rndis u_ether libcomposite configfs omap_udc ohci_omap ohci_hcd CPU: 0 UID: 0 PID: 82 Comm: irq/144-ads7846 Not tainted 6.12.7-770 #2 Hardware name: Nokia 770 Call trace: unwind_backtrace from show_stack+0x10/0x14 show_stack from dump_stack_lvl+0x54/0x5c dump_stack_lvl from __schedule_bug+0x50/0x70 schedule_bug from schedule+0x4d4/0x5bc __schedule from schedule+0x34/0xa0 schedule from schedule_preempt_disabled+0xc/0x10 schedule_preempt_disabled from __mutex_lock.constprop.0+0x218/0x3b4 __mutex_lock.constprop.0…

CVSS v3.1
5.5 MEDIUM
EPSS
0.19%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
3
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Sep 30, 2026
● 0.01pp
0.19% → 0.19% over 3 tracked changes
CVSS v3.1 Detail
Attack VectorLOCAL
Attack ComplexityLOW
Privileges RequiredLOW
User InteractionNONE
ScopeUNCHANGED
ConfidentialityNONE
IntegrityNONE
AvailabilityHIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Connections
4 relationships
Timeline
disclosure → media coverage
Feb 27, 2025
Disclosure — published as a CVE record. · last revised by NVD Nov 3, 2025
Aug 19, 2025
ubuntu.com reports: USN-7703-1: Linux kernel vulnerabilities
Aug 20, 2025
ubuntu.com reports: USN-7703-2: Linux kernel vulnerabilities
Aug 26, 2025
ubuntu.com reports: USN-7719-1: Linux kernel (Raspberry Pi Real-time) vulnerabilities