CVE-2025-68759 | wifi: rtl818x: Fix potential memory leaks in rtl8180_init_rx_ring()

In the Linux kernel, the following vulnerability has been resolved: wifi: rtl818x: Fix potential memory leaks in rtl8180_init_rx_ring() In rtl8180_init_rx_ring(), memory is allocated for skb packets and DMA allocations in a loop. When an allocation fails, the previously successful allocations are not freed on exit. Fix that by jumping to err_free_rings label on error, which calls rtl8180_free_rx_ring() to free the allocations. Remove the free of rx_ring in rtl8180_init_rx_ring() error path, and set the freed priv->rx_buf entry to null, to avoid double free.

Published: 2026-01-05 Last update: 2026-04-15 Assigner: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Conclusion & alert: CVE-2025-68759 is rated Low Risk (15.4/100): low exploitation likelihood (EPSS 0.05%). 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-2025-68759

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 2026-06-04 0.06% 0.05% -0.01%
2 2026-02-18 0.02% 0.06% +0.04%
3 2026-01-05 0.02%

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-68759

CVSS metrics for this CVE.

No CVSS data in dataset for this CVE.

Weakness enumeration for CVE-2025-68759

OS Trackers for CVE-2025-68759

vendor priority summary link
debian not yet assigned CVE-2025-68759 not yet assigned 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-2025-68759
redhat https://access.redhat.com/security/cve/CVE-2025-68759
suse medium CVE-2025-68759 severity moderate: SUSE including 476 source package names (13.2-9.1:libsystemd0-254.23-1.1, 13.2-9.1:libudev1-254.23-1.1, …), 1068 product×package rows across 189 product lines (Container suse/sl-micro/6.0/baremetal-os-container, Container suse/sl-micro/6.0/base-os-container, … (189 product lines)): Fixed 649, Known Affected 231, Known Not Affected 163, First Fixed 25. https://www.suse.com/security/cve/CVE-2025-68759/
ubuntu medium CVE-2025-68759 medium priority: Ubuntu including 157 source packages (linux, linux-allwinner-5.19, …), 1562 status rows across 10 suites (bionic, focal, jammy, noble, plucky, questing, resolute, trusty, upstream, xenial): DNE 1157, ignored 183, released 154, needed 49, not-affected 11, pending 8. https://ubuntu.com/security/CVE-2025-68759

Affected software / configurations for CVE-2025-68759

Vendor Product Version Raw CPE
No affected products in dataset.

References for CVE-2025-68759

cvelogic Threat Intelligence