What’s Vulnerable › Vulnerabilities

CVE-2022-1671

• 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: 2022-07-26 · updated 2026-06-17
• Weakness: CWE-476

Description

A NULL pointer dereference flaw was found in rxrpc_preparse_s in net/rxrpc/server_key.c in the Linux kernel. This flaw allows a local attacker to crash the system or leak internal kernel information.

Affected products

• Linux kernel: from 5.11 before 5.15.33; from 5.16 before 5.16.19; from 5.17 before 5.17.2 — fixed in 5.15.33, 5.16.19, 5.17.2
• NetApp H300S Firmware: all versions
• NetApp H410C Firmware: all versions
• NetApp H410S Firmware: all versions
• NetApp H500S Firmware: all versions
• NetApp H700S Firmware: all versions

How to fix

Upgrade to a fixed version: Linux kernel 5.15.33, 5.16.19, 5.17.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ff8376ade4f668130385839cef586a0990f8ef87
• https://security.netapp.com/advisory/ntap-20220901-0004/
• https://security.netapp.com/advisory/ntap-20220901-0008/
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ff8376ade4f668130385839cef586a0990f8ef87
• https://security.netapp.com/advisory/ntap-20220901-0004/
• https://security.netapp.com/advisory/ntap-20220901-0008/

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