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CVE-2025-39728— clk: samsung: Fix UBSAN panic in samsung_clk_init()

AI Predicted 5.5 Difficulty: Moderate EPSS 0.24% · P16

Affected Version Matrix 18

VendorProductVersion RangeStatus
LinuxLinuxe620a1e061c4738e26c3edf2abaae7842532cd80< 00307934eb94aaa0a99addfb37b9fe206f945004affected
e620a1e061c4738e26c3edf2abaae7842532cd80< d974e177369c034984cece9d7d4fada9f8b9c740affected
e620a1e061c4738e26c3edf2abaae7842532cd80< 0fef48f4a70e45a93e73c39023c3a6ea624714d6affected
e620a1e061c4738e26c3edf2abaae7842532cd80< 4d29a6dcb51e346595a15b49693eeb728925ca43affected
e620a1e061c4738e26c3edf2abaae7842532cd80< 24307866e0ac0a5ddb462e766ceda5e27a6fbbe3affected
e620a1e061c4738e26c3edf2abaae7842532cd80< a1500b98cd81a32fdfb9bc63c33bb9f0c2a0a1bfaffected
e620a1e061c4738e26c3edf2abaae7842532cd80< 157de9e48007a20c65d02fc0229a16f38134a72daffected
e620a1e061c4738e26c3edf2abaae7842532cd80< d19d7345a7bcdb083b65568a11b11adffe0687afaffected
… +10 more rows
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I. Basic Information for CVE-2025-39728

Vulnerability Information
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Vulnerability Title
clk: samsung: Fix UBSAN panic in samsung_clk_init()
Source: CVE Program / CVE List V5
Vulnerability Description
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 <snip> 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 ...
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于未正确初始化clk_data.num，可能导致数组越界访问。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
LinuxLinux e620a1e061c4738e26c3edf2abaae7842532cd80 ~ 00307934eb94aaa0a99addfb37b9fe206f945004 -
LinuxLinux 5.5 -

II. Public POCs for CVE-2025-39728

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III. Intelligence Information for CVE-2025-39728

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Other References for CVE-2025-39728 (8)

Same Patch Batch · Linux · 2025-04-18 · 23 CVEs total

CVE-2025-399308.4 HIGHASoC: simple-card-utils: Don't use __free(device_node) at graph_util_parse_dai()
CVE-2025-403647.8 HIGHio_uring: fix io_req_prep_async with provided buffers
CVE-2025-377857.8 HIGHext4: fix OOB read when checking dotdot dir
CVE-2025-378937.8 HIGHLoongArch: BPF: Fix off-by-one error in build_prologue()
CVE-2025-378387.8 HIGHHSI: ssi_protocol: Fix use after free vulnerability in ssi_protocol Driver Due to Race Con
CVE-2025-396887.5 HIGHnfsd: allow SC_STATUS_FREEABLE when searching via nfs4_lookup_stateid()
CVE-2025-397357.1 HIGHjfs: fix slab-out-of-bounds read in ea_get()
CVE-2025-38479dmaengine: fsl-edma: free irq correctly in remove path
CVE-2025-37860sfc: fix NULL dereferences in ef100_process_design_param()
CVE-2025-37925jfs: reject on-disk inodes of an unsupported type
CVE-2025-40325md/raid10: wait barrier before returning discard request with REQ_NOWAIT
CVE-2025-38049x86/resctrl: Fix allocation of cleanest CLOSID on platforms with no monitors
CVE-2025-38104drm/amdgpu: Replace Mutex with Spinlock for RLCG register access to avoid Priority Inversi
CVE-2025-38152remoteproc: core: Clear table_sz when rproc_shutdown
CVE-2025-38240drm/mediatek: dp: drm_err => dev_err in HPD path to avoid NULL ptr
CVE-2025-40014objtool, spi: amd: Fix out-of-bounds stack access in amd_set_spi_freq()
CVE-2025-38575ksmbd: use aead_request_free to match aead_request_alloc
CVE-2025-38637net_sched: skbprio: Remove overly strict queue assertions
CVE-2025-39755staging: gpib: Fix cb7210 pcmcia Oops
CVE-2025-39778objtool, nvmet: Fix out-of-bounds stack access in nvmet_ctrl_state_show()

Showing top 20 of 23 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-39728

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