What’s Vulnerable › Vulnerabilities

CVE-2022-4095

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-03-22 · updated 2026-10-14
• Weakness: CWE-416

Description

A use-after-free flaw was found in Linux kernel before 5.19.2. This issue occurs in cmd_hdl_filter in drivers/staging/rtl8712/rtl8712_cmd.c, allowing an attacker to launch a local denial of service attack and gain escalation of privileges.

Affected products

• Linux kernel: from 2.6.37 before 4.9.328; from 4.10 before 4.14.293; from 4.15 before 4.19.258; from 4.20 before 5.4.213; from 5.5 before 5.10.142; from 5.11 before 5.15.66 — fixed in 4.14.293, 4.19.258, 4.9.328, 5.10.142, 5.15.66, 5.19.8

How to fix

Upgrade to a fixed version: Linux kernel 4.14.293, 4.19.258, 4.9.328, 5.10.142. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c53b3dcb9942b8ed7f81ee3921c4085d87070c73
• https://security.netapp.com/advisory/ntap-20230420-0005/
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c53b3dcb9942b8ed7f81ee3921c4085d87070c73
• https://security.netapp.com/advisory/ntap-20230420-0005/
• https://cert-portal.siemens.com/productcert/html/ssa-794697.html

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