Search/CVE-2025-39728
● CVE — Medium

CVE-2025-39728

VendorlinuxProductlinux kernelDiscoveredApr 18, 2025UpdatedNov 3, 2025

In the Linux kernel, the following vulnerability has been resolved: clk: samsung: Fix UBSAN panic in samsung_clk_init() With UBSAN_ARRAY_BOUNDS=y, I'm hitting the below panic due to dereferencing ctx->clk_data.hws before setting ctx->clk_data.num = nr_clks. Move that up to fix the crash. UBSAN: array index out of bounds: 00000000f2005512 [#1] PREEMPT SMP Call trace: samsung_clk_init+0x110/0x124 (P) samsung_clk_init+0x48/0x124 (L) samsung_cmu_register_one+0x3c/0xa0 exynos_arm64_register_cmu+0x54/0x64 __gs101_cmu_top_of_clk_init_declare+0x28/0x60 ...

View graph Watch Export
CVSS v3.1
5.5 MEDIUM
EPSS
0.28%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
9
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Sep 22, 2026
▲ 0.03pp
0.24% → 0.28% over 6 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
11 relationships
Timeline
disclosure → media coverage
Apr 18, 2025
Disclosure — published as a CVE record. · last revised by NVD Nov 3, 2025
Oct 22, 2025
ubuntu.com reports: USN-7835-1: Linux kernel vulnerabilities
Oct 22, 2025
ubuntu.com reports: USN-7835-2: Linux kernel (Real-time) vulnerabilities
Oct 22, 2025
ubuntu.com reports: USN-7835-3: Linux kernel vulnerabilities
Oct 31, 2025
ubuntu.com reports: USN-7835-4: Linux kernel (HWE) vulnerabilities
Nov 6, 2025
ubuntu.com reports: USN-7835-5: Linux kernel (Oracle) vulnerabilities
Nov 12, 2025
ubuntu.com reports: USN-7835-6: Linux kernel (AWS) vulnerabilities
Nov 24, 2025
ubuntu.com reports: USN-7887-1: Linux kernel (Raspberry Pi Real-time) vulnerabilities
Dec 17, 2025
ubuntu.com reports: USN-7940-1: Linux kernel (Azure FIPS) vulnerabilities
Jan 9, 2026
ubuntu.com reports: USN-7940-2: Linux kernel (Azure, N-Series) vulnerabilities