microsoft/litebox

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A security-focused library OS supporting kernel- and user-mode execution

Stars: 2.7k
Forks: 144
Open beginner issues: 0
Indexed issues: 123
Avg merge: 12h 21m
Merged PRs (30d): 146

Dominant language: Rust
License: MIT
Last GitHub push: Sep 19, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

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123 open issues indexed

add litebox_runner_linux_on_macos_userland , litebox_platform_macos_userland Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/litebox#1394 · Opened Sep 18, 2026
Define invalid-tar and nonblocking-device filesystem behavior Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/litebox#1365 · Opened Sep 13, 2026
Investigate flaky Windows run_multithreaded_pe timeout Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

microsoft/litebox#1331 · 2 comments · Opened Sep 8, 2026
Make Linux read_maps handle large /proc/self/maps output Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

microsoft/litebox#1328 · Opened Sep 8, 2026
Make zero-length in-memory writes leave file size unchanged Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

microsoft/litebox#1325 · Opened Sep 8, 2026
Make in-memory fs growth allocation-fallible Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

microsoft/litebox#1324 · Opened Sep 8, 2026
Return fs errors for offset overflow and backend over-reporting Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

microsoft/litebox#1323 · Opened Sep 8, 2026
Reject O_CREAT | O_EXCL before backend open side effects Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

microsoft/litebox#1322 · Opened Sep 8, 2026
Preserve unlinked overlay handles when deferring copy-up Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

microsoft/litebox#1321 · Opened Sep 8, 2026
Authorize O_TRUNC before applying truncation Open

Difficulty 5/5 Over a week Newbie friendliness 38/100

microsoft/litebox#1320 · Opened Sep 8, 2026
Serialize operations on directory position Open

microsoft/litebox#1290 · 1 assignee · Opened Sep 4, 2026
Detached-parent create returns success for an unreachable file Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

microsoft/litebox#1270 · Opened Sep 2, 2026
Pathname recreation silently redirects relative operations from the current directory Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

microsoft/litebox#1269 · Opened Sep 2, 2026
A stale ELF patch plan can rewrite a newer fixed-address mapping Open

microsoft/litebox#1268 · 1 assignee · Opened Sep 2, 2026
An unvalidated futex waiter can consume wake(1) while a validated waiter remains blocked Open

microsoft/litebox#1267 · 1 assignee · Opened Sep 2, 2026
SNP spawn failure leaks an attached phantom thread and can block process quiescence Open

microsoft/litebox#1265 · 1 assignee · Opened Sep 2, 2026
Last-close epoll interests persist and accumulate across raw-fd reuse Open

microsoft/litebox#1264 · 1 assignee · Opened Sep 2, 2026
Fix flaky shared-futex control-ring test Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 82/100

microsoft/litebox#1236 · Opened Aug 28, 2026
Return null instead of panicking for allocations exceeding the buddy allocator's maximum order Open

Difficulty 3/5 1-2 days Newbie friendliness 78/100

microsoft/litebox#1222 · Opened Aug 21, 2026
Interactive Keyboard Input Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/litebox#1198 · Opened Aug 19, 2026
Asynchronous exception-class signals are not properly handled Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

microsoft/litebox#1193 · 1 comment · Opened Aug 18, 2026
Add TUN Network for loopback replacement Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

microsoft/litebox#1152 · Opened Aug 8, 2026
more involvement requested Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

microsoft/litebox#1128 · Opened Aug 5, 2026
path: normalized_components emits ".." for absolute paths (POSIX non-conformance; disagrees with fs::resolver) Open

microsoft/litebox#1099 · 1 comment · 1 assignee · Opened Jul 28, 2026
Broker resource limits are global, letting one session exhaust the budget for all others Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

microsoft/litebox#1084 · Opened Jul 24, 2026
Handle OP-TEE inter-TA invocation error path properly Open

microsoft/litebox#1024 · 2 comments · 1 assignee · Opened Jul 13, 2026
Load-time synthesis and patching of kernel module ELF and kexec PE Open

enhancement target-lvbs

Difficulty 4/5 3-5 days Newbie friendliness 45/100

microsoft/litebox#1018 · Opened Jul 9, 2026
Miri data race in futex test between volatile write in `wait` and `futex_word.store(1, Ordering::SeqCst)` Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

microsoft/litebox#1009 · 1 comment · Opened Jul 6, 2026
LiteBox/LVBS and nested virtualization Open

enhancement priority-low target-lvbs

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/litebox#977 · 1 comment · Opened Jun 26, 2026
Track broker-backed eventfd lifecycle and blocking semantics Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

microsoft/litebox#966 · Opened Jun 25, 2026
Use Vest to implement the wire code for the broker. Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

microsoft/litebox#946 · Opened Jun 23, 2026
OP-TEE TA flag changes across version update Open

target-lvbs

Difficulty 3/5 1-2 days Newbie friendliness 55/100

microsoft/litebox#938 · Opened Jun 18, 2026
Rollback support for critical kernel operations Open

discussion

Difficulty 5/5 Over a week Newbie friendliness 30/100

microsoft/litebox#936 · Opened Jun 18, 2026
Migrate away from iced-x86 Open

priority-low

Difficulty 5/5 Over a week Newbie friendliness 32/100

microsoft/litebox#927 · Opened Jun 17, 2026
Resource management Open

discussion enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/litebox#923 · Opened Jun 16, 2026
Tracking issue for cleaning up ulitebox broker design Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/litebox#911 · Opened Jun 12, 2026
CI: comment did not show up Open

bug layer-META priority-low

microsoft/litebox#905 · 2 comments · 1 assignee · Opened Jun 5, 2026
Physical memory map Open

target-lvbs

Difficulty 5/5 Over a week Newbie friendliness 38/100

microsoft/litebox#879 · Opened May 29, 2026
HEKI memory protection and VTL0/VTL1 memory overlap Open

target-lvbs

Difficulty 5/5 Over a week Newbie friendliness 20/100

microsoft/litebox#852 · Opened May 16, 2026
KexecTrampoline metadata's page alignment is not ensured Open

target-lvbs

Difficulty 4/5 3-5 days Newbie friendliness 25/100

microsoft/litebox#850 · Opened May 15, 2026
Kernel out of memory (OOM) Open

discussion target-lvbs

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/litebox#846 · 2 comments · Opened May 14, 2026
IDK_S PTA Open

target-lvbs

Difficulty 5/5 Over a week Newbie friendliness 35/100

microsoft/litebox#827 · 2 comments · Opened May 4, 2026
Zeroize key materials Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/litebox#826 · Opened May 4, 2026
packager for aarch64 Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/litebox#823 · Opened May 1, 2026
Persistent mapping of some VTL0/normal-world physical addresses Open

target-lvbs

Difficulty 4/5 3-5 days Newbie friendliness 45/100

microsoft/litebox#822 · 1 comment · Opened May 1, 2026
Reconsider fd-as-a-key for runtime patching Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/litebox#821 · Opened May 1, 2026
Fix arch check in syscall rewriter Open

Difficulty 2/5 1-3 hours Newbie friendliness 70/100

microsoft/litebox#819 · Opened Apr 29, 2026
Nicer logging support for hex Open

priority-low

microsoft/litebox#804 · 1 assignee · Opened Apr 23, 2026
Multi-Process support Open

layer-litebox rfc

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/litebox#797 · 3 comments · Opened Apr 22, 2026
Make LVBS platform/runner use the LiteBox logger Open

target-lvbs

Difficulty 3/5 1-2 days Newbie friendliness 55/100

microsoft/litebox#789 · Opened Apr 20, 2026

microsoft/litebox

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