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CVE-2026-89437: platform/x86: int1092: Fix potential memory leak in sar_probe()

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-11 · updated 2026-10-30

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.

Affected products

• Linux: 5.15 — fixed in 7.3

How to fix

Upgrade to a fixed version: Linux 7.3. Check the vendor advisory for mitigations.

References

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

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