PT-2026-135488
CVE-2026-115653
·
Published
2026-11-02
·
Updated
2026-11-02
Description by
CVSS 4.0
7.0
HighMetricsAV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Name of the Vulnerable Software and Affected Versions
Eclipse ThreadX versions 6.0.1 through 6.5.2.202603
Description
The PendSV handler of the Cortex-M module ports saves a preempted user-mode module thread's registers in privileged mode using addresses from the thread's stack pointer. Because the handler does not verify the pointer against the thread's stack, a memory-protected user-mode module can write up to nine words (eight of its choice, or 25 including floating-point state) into memory located immediately below any region it can write to, and subsequently read the stored data.
Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploitability
Exploit
Impacts
Vendors
Affected products
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