What’s Vulnerable › Vulnerabilities

CVE-2025-37883: s390/sclp: Add check for get_zeroed_page()

• Severity: medium (CVSS 5.5 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: 2025-05-09 · updated 2026-06-17
• Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: s390/sclp: Add check for get_zeroed_page() Add check for the return value of get_zeroed_page() in sclp_console_init() to prevent null pointer dereference. Furthermore, to solve the memory leak caused by the loop allocation, add a free helper to do the free job.

Affected products

• Debian Linux: 11.0
• Linux kernel: before 5.15.181; from 5.16 before 6.1.136; from 6.2 before 6.6.89; from 6.7 before 6.12.26; from 6.13 before 6.14.5 — fixed in 5.15.181, 6.1.136, 6.12.26, 6.14.5, 6.6.89

How to fix

Upgrade to a fixed version: Linux kernel 5.15.181, 6.1.136, 6.12.26, 6.14.5. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/28e5a867aa542e369e211c2baba7044228809a99
• https://git.kernel.org/stable/c/397254706eba9d8f99fd237feede7ab3169a7f9a
• https://git.kernel.org/stable/c/3b3aa72636a6205933609ec274a8747720c1ee3f
• https://git.kernel.org/stable/c/3db42c75a921854a99db0a2775814fef97415bac
• https://git.kernel.org/stable/c/e1e00dc45648125ef7cb87ebc3b581ac224e7b39
• https://git.kernel.org/stable/c/f69f8a93aacf6e99af7b1cc992d8ca2cc07b96fb
• https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html

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