How many CVEs have patched initialize_vmcontext?

1 published CVEs changed initialize_vmcontext in bytecodealliance/wasmtime, in 1 distinct patches totalling 5 changed lines, between 2022 and 2022.

What is the latest CVE that changed initialize_vmcontext?

CVE-2022-23636 (Invalid drop of partially-initialized instances in the pooling instance allocator for modules with defined `externref` globals), published 2022-02-16, changed lines 478 to 577 of crates/runtime/src/instance/allocator.rs.

How does initialize_vmcontext compare to the rest of bytecodealliance/wasmtime?

bytecodealliance/wasmtime has 27 CVEs with a located fix in total; 1 of them changed initialize_vmcontext.

What do the line numbers refer to?

Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

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Patched Functions
Bytecodealliance
Wasmtime
Initialize_vmcontext

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Patched Functions
Bytecodealliance
Wasmtime
Initialize_vmcontext

initialize_vmcontext in bytecodealliance/wasmtime: Patched by 1 CVEs

bytecodealliance/wasmtime

Function

initialize_vmcontext

Name: initialize_vmcontext in bytecodealliance/wasmtime: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

crates/runtime/src/instance/allocator.rs

Last patched February 16, 2022

CVEs

That changed this function

Distinct patches

Backports counted once

Lines changed

Added plus removed

2022

Years

By CVE publication date

Overview

initialize_vmcontext in bytecodealliance/wasmtime was changed by 1 published CVE fixes in 2022, in 1 distinct patches that added or removed 5 lines in total.

bytecodealliance/wasmtime has 27 CVEs with a located fix in total, so 4% of them touched this function.

CVEs that patched it

Every published CVE whose fix changed initialize_vmcontext, newest first, with the lines each fix touched.

Invalid drop of partially-initialized instances in the pooling instance allocator for modules with defined `externref` globals
CVE-2022-23636 · lines 478–577 · +5 −0 in 2 hunks
High · CVSS 8.1
EPSS 0.8%2022-02-16

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Other functions in these files

Functions in the same file that CVE fixes also changed.

1as_u64crates/runtime/src/instance/allocator.rs1 CVEs · 1 patches2023
2check_init_boundscrates/runtime/src/instance/allocator.rs1 CVEs · 1 patches2023
3check_memory_init_boundscrates/runtime/src/instance/allocator.rs1 CVEs · 1 patches2023
4element_typecrates/runtime/src/instance/allocator.rs1 CVEs · 1 patches2024
5get_memory_init_startcrates/runtime/src/instance/allocator.rs1 CVEs · 1 patches2023
6get_table_init_startcrates/runtime/src/instance/allocator.rs1 CVEs · 1 patches2023
7initialize_memoriescrates/runtime/src/instance/allocator.rs1 CVEs · 1 patches2023
8initialize_tablescrates/runtime/src/instance/allocator.rs1 CVEs · 1 patches2023

Other hotspots in the repository

Functions in bytecodealliance/wasmtime changed by the most CVE fixes.

and_then2 CVEs · crates/wasmtime/src/runtime/component/values.rs hostcall_fuel2 CVEs · crates/wasmtime/src/runtime/component/store.rs Done2 CVEs · crates/wasi-http/src/types_impl.rs Err2 CVEs · crates/wasi-http/src/body.rs Some2 CVEs · crates/wasi-http/src/body.rs as_ref2 CVEs · crates/wasi-http/src/types_impl.rs

All patched functions in bytecodealliance/wasmtime

Frequently asked questions

Common questions about CVE fixes to initialize_vmcontext.

How many CVEs have patched initialize_vmcontext?: 1 published CVEs changed initialize_vmcontext in bytecodealliance/wasmtime, in 1 distinct patches totalling 5 changed lines, between 2022 and 2022.
What is the latest CVE that changed initialize_vmcontext?: CVE-2022-23636 (Invalid drop of partially-initialized instances in the pooling instance allocator for modules with defined `externref` globals), published 2022-02-16, changed lines 478 to 577 of crates/runtime/src/instance/allocator.rs.
How does initialize_vmcontext compare to the rest of bytecodealliance/wasmtime?: bytecodealliance/wasmtime has 27 CVEs with a located fix in total; 1 of them changed initialize_vmcontext.
What do the line numbers refer to?: Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

References

crates/runtime/src/instance/allocator.rs on GitHub (opens in a new tab)
All patched functions in bytecodealliance/wasmtime
Patched functions directory

Fix locations are computed by RadicalNotion.AI from the upstream patch diff of each CVE. CVE data is sourced from the CVE Program.

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