VulnerabilityPublished 15 Aug 2026Updated 6 Nov 2026

CVE-2026-72274: Linux kernel · fbdev: hecubafb: fix potential memory leak in hecubafb_probe()

Affects Linux kernelSource CVE Database V5

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Not known to be exploited · fixed in d684ce2db92b1093bcca2b42e5160a5fe23eb496 : update Linux kernel when convenient.

Data as of 6 Nov 2026, 17:04 UTC

Severity

Unrated

Rated by Threat Radar · CVSS not yet scored by NVD

Thin evidence

One scorer or none

Exploitation: No evidence of active exploitation and no public proof of concept
Automatable: Attackers cannot reliably automate steps 1–4 of the kill chain
Technical impact: Limited control over the software or limited information exposure

CISA SSVC assessment, 2026-11-06.

Patch

Available – fixed in d684ce2db92b1093bcca2b42e5160a5fe23eb496, cbef2a305a8a72969b86f96b7c07b86edde61aff, 2952767e399e2796d45644ea50f442988d2bb02d +5

Exploitation evidence

Disclosed: evidence found.
CVE published 15 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 6 Nov 2026.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponized: A Metasploit exploit module or Exploit-DB entry exists (Metasploit scanner modules do not count), or CISA SSVC or the CVSS exploit maturity reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

Product	Affected	Fixed in
LinuxLinux	Affected >=5.15.149 <5.15.212	Fixed in d684ce2db92b1093bcca2b42e5160a5fe23eb496 cbef2a305a8a72969b86f96b7c07b86edde61aff 2952767e399e2796d45644ea50f442988d2bb02d 612ea3a8e525580aa82f26ab873e285f5caf9d99 9a94b85531852eb86283eca36ab041782c6b3518 7de72f7534d961b117e0b051fa8798975036f5f3 5.15.212 3eb2bc1009c2476426ffbaf642d7ac82f4685b4d
LinuxLinux	Affected =5.19	Fixed in–

Description

In the Linux kernel, the following vulnerability has been resolved: fbdev: hecubafb: fix potential memory leak in hecubafb_probe() The memory allocated for pagerefs in fb_deferred_io_init() is not freed on the error path. Fix it by calling fb_deferred_io_cleanup().

References

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