What’s Vulnerable › Vulnerabilities

CVE-2022-36123

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-07-29 · updated 2026-10-14

Description

The Linux kernel before 5.18.13 lacks a certain clear operation for the block starting symbol (.bss). This allows Xen PV guest OS users to cause a denial of service or gain privileges.

Affected products

• Linux kernel: before 5.18.13 — fixed in 5.18.13
• 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 5.18.13. Check the vendor advisory for mitigations.

References

• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.13
• https://github.com/sickcodes/security/blob/master/advisories/SICK-2022-128.md
• https://github.com/torvalds/linux/commit/74a0032b8524ee2bd4443128c0bf9775928680b0
• https://github.com/torvalds/linux/commit/96e8fc5818686d4a1591bb6907e7fdb64ef29884
• https://security.netapp.com/advisory/ntap-20220901-0003/
• https://sick.codes/sick-2022-128
• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.13
• https://github.com/sickcodes/security/blob/master/advisories/SICK-2022-128.md
• https://github.com/torvalds/linux/commit/74a0032b8524ee2bd4443128c0bf9775928680b0
• https://github.com/torvalds/linux/commit/96e8fc5818686d4a1591bb6907e7fdb64ef29884
• https://security.netapp.com/advisory/ntap-20220901-0003/
• https://sick.codes/sick-2022-128

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