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Classical User Interface Setupper. This is a usermode application stored inside the update [[PUP]] file. It has not been seen use [[Category:Usermode]]

SceGxmDbg is a usermode module of filename libgxm_dbg_es4.suprx. It is a debug version of the [[Sce [[Category:Usermode]]

This is not actually a module but only a library exported by some usermode SELFs. [[Category:Usermode]]

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...tl]] and [[Vulnerabilities#sceIoDevctl_does_not_clear_stack_buffer]] and a usermode WebKit vulnerability. HENkaku only works as-is in firmware 3.60, however th === Usermode exploit release - Rejuvenate ===

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DECI4P User process. SceDeci4pUserp handles usermode communication with host PC applications using Target Manager API.

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...syscall virtual table itself is not written to with pointers until a first usermode module imports this syscall. After the syscall virtual table is written to,

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...|| Main OS partition: [[Modules#3.60_Kernel_modules|kernel modules]], core usermode modules, SceSafemode, Secure Module SELFs, and on development units [[SceCu ...|| Main OS partition: [[Modules#3.60_Kernel_modules|kernel modules]], core usermode modules, SceSafemode, Secure Module SELFs, and on development units [[SceCu

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...y all non-code pages are marked as "execute never" (XN) in both kernel and usermode. === Usermode stack pivot protection ===

=== Usermode === ...hich consist of the home screen, LiveArea, background menu, and background usermode tasks.

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...any exported functions were removed. These functions were exported both to usermode and to kernel. ...or two security reasons: firstly SM communication should not be handled by usermode programs, secondly these exported functions were pointing to their kernel e

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...hen adds the LiveArea bubble and updates app.db accordingly. After getting usermode execution, you can use [[SceNpDrm]] and [[ScePromoterUtil]] separately and

| 2.60 || [[SceDiagBridge#SceDiagBridge|SceDiagBridge]] || Non-secure || Usermode || 0xA6E6D200

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...e Key Manager for Play Ready. It is imported in sceplayready.suprx in some usermode applications, usually online TV streaming applications. See [[SceAppMgr#sce

...ageWriter#SceSblFirstImageWriter|SceSblFirstImageWriter]] || Non-secure || Usermode || 0x9825638C

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...s to install packages or mount file systems that games cannot. Therefore a usermode exploit is more valuable in a system application like [[ScePspEmu]], [[PSM] Since PS Vita FW 2.60, usermode applications (the main library) themselves can be compiled with ASLR suppor

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Visible ID can be obtained less directly with usermode system privileg by calling [[SceVshBridge#vshSblAimgrGetVisibleId]].

| 0.931 || [[SceIdStorage#SceIdStorage|SceIdStorage]] || Non-secure || Usermode || 0xC27594F4

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...rity of Secure World is the same security that prevents kernel access from usermode which is that the secure kernel code is completely proprietary and cannot b

* Most usermode modules and a few kernel modules have it set to 0. ...the thread that runs the <code>module_start</code> function. Reserved for usermode modules.

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...(system calls), is what allows to interact with non-secure [[Kernel]] from usermode. ...R3 and R12 are cleared to 0x0 or 0xDEADBEEF to prevent any data leaks. All usermode pointers passed to syscalls are accessed with ARM instructions LDRT and STR

Usermode equivalent of [[#SceCameraForDriver_D259707C]].

Most of these functionalities are implemented in usermode in the <code>fios2.suprx</code> module.

== System Software Version independant usermode system modules == These system usermode modules can be decrypted on any firmware version and are identified by kprx

== Usermode == ==== CSC does not sanitize check the row number (arbitrary usermode memory read) ====

...yFromUserForDriver]]. This means that the copy size could be controlled by usermode, maybe allowing a buffer overflow in kernel ([[SceKernelModulemgr]]).

| Allow to bypass absent Media Type 7 (host0:) in SELF attribute for usermode SELF. According to SDK only DIP Switches 0-63 are accessible from usermode, however:

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void *SceMsif_subctx_addr; // Should not be accessible to usermode as it points to SceMsif kernel module data segment (offset 0x840 on FW 3.60

...emgr]]'s syscalls wrappers do various checks in usermode for the sanity of usermode arguments, but some internal functions that the syscalls call do not do pro Triggering a usermode exception immediately after calling sceAppMgrDestroyAppByAppId causes ?[[Sc

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...rmode-exploits-fixed/ PS Vita System Firmware Update v3.01 - Fixes various usermode exploits]. Wololo.net. Retrieved on 2013-12-10.</ref><br />December 5, 2013 ...rmode-exploits-fixed/ PS Vita System Firmware Update v3.01 - Fixes various usermode exploits], Wololo.net</ref>

| 97 || level or self_type || usermode || | host0 || 7 || 0x42 || For usermode self_type, requires QA flag 0xD mask 2. For kernel or SM self_type, require

...to some common syscalls (for example, [[SceIofilemgr|SceIofilemgr]]), some usermode standard library functions (including C standard library), and other common This is a usermode module. The SELF can be found in <code>os0:us/libkernel.suprx</code>.

| [[SceLibcParam]] (some usermode SELFs)

Attempted to load a module that has syscall exports to usermode. Set <code>self_type</code> to 1 if decrypting a usermode module else 0 for kernel (2 for SM but maybe not allowed).

| Non-secure kernel and usermode modules ...MiB. LDDR2SUB. For perf (not published anywhere). This memory is mapped on usermode VA 0x40000000.

// For usermode 0x00900000 for SHARED (usermode only)

Exported to usermode by [[SceSblPostSsMgr#sceSblUtMgrResetUtokenFile|sceSblUtMgrResetUtokenFile]

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| 0xC || 0x4 || Arguments size in usermode (0x18 bytes) | 0xC || 0x4 || Arguments size in usermode (0x18 bytes)

...ption difference. In normal usage on a suspended thread it seems to be the usermode aspect that contains valid values. When you query a suspended thread that h * The registers returned are the usermode/kernel set for the requested thread.

Returns SCE_TRUE if there exists at least one usermode process that is busy, else returns SCE_FALSE.

Writes <code>nWords</code> times the 4-byte <code>ch</code> starting at usermode address <code>u_dst</code>. Write is performed with the <code>STRT</code> i The interface is the same as the usermode version of this function, however more types can be specified and more opti

const SceAppMgrLoadExecOptParam *optParam /* Not used in usermode. Must be NULL */