CVE-2025-68247 | posix-timers: Plug potential memory leak in do_timer_create()

In the Linux kernel, the following vulnerability has been resolved: posix-timers: Plug potential memory leak in do_timer_create() When posix timer creation is set to allocate a given timer ID and the access to the user space value faults, the function terminates without freeing the already allocated posix timer structure. Move the allocation after the user space access to cure that. [ tglx: Massaged change log ]

Published: 2025-12-16 Last update: 2026-04-15 Assigner: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Conclusion & alert: CVE-2025-68247 is rated Low Risk (4.2/100): low exploitation likelihood (EPSS 0.14%). 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-2025-68247

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 2026-06-15 0.02% 0.14% +0.13%
2 2025-12-17 0.02%

Full EPSS history (2 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-68247

CVSS metrics for this CVE.

No CVSS data in dataset for this CVE.

Weakness enumeration for CVE-2025-68247

OS Trackers for CVE-2025-68247

vendor priority summary link
debian unimportant CVE-2025-68247 unimportant priority: Debian including 1 source packages (linux), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2025-68247
redhat https://access.redhat.com/security/cve/CVE-2025-68247
suse medium CVE-2025-68247 severity moderate: SUSE including 26 source package names (cluster-md-kmp-default, dlm-kmp-default, …), 285 product×package rows across 56 product lines (SLES-LTSS-TERADATA 15 SP2, SUSE Linux Enterprise High Availability Extension 15 SP3, … (56 product lines)): Known Not Affected 285. https://www.suse.com/security/cve/CVE-2025-68247/
ubuntu medium CVE-2025-68247 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 172, not-affected 124, released 97, needed 2. https://ubuntu.com/security/CVE-2025-68247

Affected software / configurations for CVE-2025-68247

Vendor Product Version Raw CPE
No affected products in dataset.

References for CVE-2025-68247

cvelogic Threat Intelligence