What’s Vulnerable › Vulnerabilities

CVE-2022-0742: Memory leak in ICMP6 in Linux Kernel

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 5.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-03-18 · updated 2026-06-17
• Weakness: CWE-275

Description

Memory leak in icmp6 implementation in Linux Kernel 5.13+ allows a remote attacker to DoS a host by making it go out-of-memory via icmp6 packets of type 130 or 131. We recommend upgrading past commit 2d3916f3189172d5c69d33065c3c21119fe539fc.

Affected products

• Linux kernel: from 5.13 before 5.15.27; from 5.16 before 5.16.13; 5.17-rc1, 5.17-rc2, 5.17-rc3, 5.17-rc4, 5.17-rc5, 5.17-rc6 — fixed in 5.15.27, 5.16.13
• NetApp A400 Firmware: all versions
• NetApp Aff 8300 Firmware: all versions
• NetApp Aff 8700 Firmware: all versions
• NetApp Fas 8300 Firmware: all versions
• NetApp Fas 8700 Firmware: all versions
• NetApp H300E Firmware: all versions
• NetApp H300S Firmware: all versions
• NetApp H410C Firmware: all versions
• NetApp H410S Firmware: all versions
• NetApp H500E Firmware: all versions
• NetApp H500S Firmware: all versions
• NetApp H700E Firmware: all versions
• NetApp H700S Firmware: all versions

How to fix

Upgrade to a fixed version: Linux kernel 5.15.27, 5.16.13. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2d3916f3189172d5c69d33065c3c21119fe539fc
• https://security.netapp.com/advisory/ntap-20220425-0001/
• https://www.openwall.com/lists/oss-security/2022/03/15/3
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2d3916f3189172d5c69d33065c3c21119fe539fc
• https://security.netapp.com/advisory/ntap-20220425-0001/
• https://www.openwall.com/lists/oss-security/2022/03/15/3

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