CVE-2025-40010 | afs: Fix potential null pointer dereference in afs_put_server

In the Linux kernel, the following vulnerability has been resolved: afs: Fix potential null pointer dereference in afs_put_server afs_put_server() accessed server->debug_id before the NULL check, which could lead to a null pointer dereference. Move the debug_id assignment, ensuring we never dereference a NULL server pointer.

Published: 2025-10-20 Last update: 2026-04-15 Assigner: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Conclusion & alert: CVE-2025-40010 is rated Low Risk (17.5/100): low exploitation likelihood (EPSS 0.06%). Mandatory action: Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-40010

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-03-30 0.04% 0.06% +0.01%
2 2026-03-18 0.05% 0.04% -0.01%
3 2026-02-19 0.05%

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-40010

CVSS metrics for this CVE.

No CVSS data in dataset for this CVE.

Weakness enumeration for CVE-2025-40010

OS Trackers for CVE-2025-40010

vendor priority summary link
debian unimportant CVE-2025-40010 unimportant priority: Debian including 2 source packages (linux, linux-6.1), 6 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 6. https://security-tracker.debian.org/tracker/CVE-2025-40010
redhat low https://access.redhat.com/security/cve/CVE-2025-40010
suse medium CVE-2025-40010 severity moderate: SUSE including 401 source package names (2.1.3-6.88:kernel-default-base-6.4.0-36.1.21.13, 2.1.3-7.105:kernel-rt-6.4.0-38.1, …), 774 product×package rows across 166 product lines (Container suse/sl-micro/6.0/base-os-container, Container suse/sl-micro/6.0/kvm-os-container, … (166 product lines)): Fixed 442, Known Affected 231, Known Not Affected 101. https://www.suse.com/security/cve/CVE-2025-40010/
ubuntu medium CVE-2025-40010 medium priority: Ubuntu including 157 source packages (linux, linux-allwinner-5.19, …), 1405 status rows across 9 suites (bionic, focal, jammy, noble, plucky, questing, trusty, upstream, xenial): DNE 1010, ignored 177, released 122, not-affected 87, needed 5, needs-triage 2, pending 2. https://ubuntu.com/security/CVE-2025-40010

Affected software / configurations for CVE-2025-40010

Vendor Product Version Raw CPE
No affected products in dataset.

References for CVE-2025-40010

cvelogic Threat Intelligence