What’s Vulnerable › Vulnerabilities

CVE-2022-41858

• Severity: high (CVSS 7.1 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: 2023-01-17 · updated 2026-06-17
• Weakness: CWE-416

Description

A flaw was found in the Linux kernel. A NULL pointer dereference may occur while a slip driver is in progress to detach in sl_tx_timeout in drivers/net/slip/slip.c. This issue could allow an attacker to crash the system or leak internal kernel information.

Affected products

• Linux kernel: before 4.9.311; from 4.10 before 4.14.276; from 4.15 before 4.19.239; from 4.20 before 5.4.190; from 5.5.0 before 5.10.112; from 5.11 before 5.15.35 — fixed in 4.14.276, 4.19.239, 4.9.311, 5.10.112, 5.15.35, 5.17.4
• NetApp Hci Baseboard Management Controller: h300s, h410c, h410s, h500s, h700s

How to fix

Upgrade to a fixed version: Linux kernel 4.14.276, 4.19.239, 4.9.311, 5.10.112. Check the vendor advisory for mitigations.

References

• https://github.com/torvalds/linux/commit/ec4eb8a86ade4d22633e1da2a7d85a846b7d1798
• https://security.netapp.com/advisory/ntap-20230223-0006/
• https://github.com/torvalds/linux/commit/ec4eb8a86ade4d22633e1da2a7d85a846b7d1798
• https://security.netapp.com/advisory/ntap-20230223-0006/

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