What’s Vulnerable › Vulnerabilities

CVE-2022-27950

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-03-28 · updated 2026-06-17
• Weakness: CWE-401

Description

In drivers/hid/hid-elo.c in the Linux kernel before 5.16.11, a memory leak exists for a certain hid_parse error condition.

Affected products

• Linux kernel: before 5.16.11 — fixed in 5.16.11

How to fix

Upgrade to a fixed version: Linux kernel 5.16.11. Check the vendor advisory for mitigations.

References

• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.11
• https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=817b8b9c5396d2b2d92311b46719aad5d3339dbe
• https://github.com/torvalds/linux/commit/817b8b9c5396d2b2d92311b46719aad5d3339dbe
• https://www.openwall.com/lists/oss-security/2022/03/13/1
• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.11
• https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=817b8b9c5396d2b2d92311b46719aad5d3339dbe
• https://github.com/torvalds/linux/commit/817b8b9c5396d2b2d92311b46719aad5d3339dbe
• https://www.openwall.com/lists/oss-security/2022/03/13/1

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