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| Filename | Latest commit message | Latest commit date |
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be57263415
Passive grabs (GrabRec) store raw DeviceIntPtr values for both the grabbed device and the modifier device without any lifetime management. When a device is removed via XIRemoveMaster, CloseDevice() frees the device struct, but leaves dangling pointers in grab->modifierDevice for any grab that used this device. Subsequent pointer events trigger CheckPassiveGrab() which dereferences the dangling modifierDevice pointer for XI grabs (the CORE and XI2 paths reassign it, but the XI path does not). This vulnerability was discovered by: Anonymous working with TrendAI Zero Day Initiative ZDI-CAN-31832 CVE-2026-93516 Assisted-by: Claude:claude-opus-4-6 Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/2341> |
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| .. | ||
| bigreq | ||
| bugs | ||
| damage | ||
| pyxtest | ||
| scripts | ||
| sync | ||
| xi1 | ||
| xi2 | ||
| xkb | ||
| .gitignore | ||
| fixes.c | ||
| hashtabletest.c | ||
| input.c | ||
| list.c | ||
| meson.build | ||
| misc.c | ||
| README | ||
| sha1.c | ||
| signal-logging.c | ||
| simple-xinit.c | ||
| string.c | ||
| test_xkb.c | ||
| tests-common.c | ||
| tests-common.h | ||
| tests.c | ||
| tests.h | ||
| touch.c | ||
| xfree86.c | ||
| xtest.c | ||
X server test suite This suite contains a set of tests to verify the behaviour of functions used internally to the server. = How it works = Through some automake abuse, we link the test programs with the same static libraries as the Xorg binary. The test suites can then call various functions and verify their behaviour - without the need to start the server or connect clients. This testing only works for functions that do not rely on a particular state of the X server. Unless the test suite replicates the expected state, which may be difficult. = How to run the tests = Run "make check" in the test directory. This will compile the tests and execute them in the order specified in the TESTS variable in test/Makefile.am. Each set of tests related to a subsystem are available as a binary that can be executed directly. For example, run "xkb" to perform some xkb-related tests. == Adding a new test == When adding a new test, ensure that you add a short description of what the test does and what the expected outcome is.