VulnerabilityPublished 27 May 2026Updated 6 Nov 2026

CVE-2026-45996: Linux kernel · spi: imx: fix use-after-free on unbind

Affects Linux kernelSource CVE Database V5

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Not known to be exploited · fixed in f99165ef067723221472ce1aff632bc74f562643 : update Linux kernel when convenient.

Data as of 6 Nov 2026, 16:34 UTC

Severity

Unrated

Rated by Threat Radar · No CVSS score from NVD or the CNA

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 f99165ef067723221472ce1aff632bc74f562643, c7c40c3e7b9fb900504aa746de3e53c5275b24bd, aa9025a498036b6012769f7af36d421385386c17 +3

Exploitation evidence

Disclosed: evidence found.
CVE published 27 May 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 ≥ 307c897db762d1e0feee9477276b08f6deca4a5b, < f99165ef067723221472ce1aff632bc74f562643	Fixed in f99165ef067723221472ce1aff632bc74f562643
LinuxLinux	Affected ≥ 307c897db762d1e0feee9477276b08f6deca4a5b, < c7c40c3e7b9fb900504aa746de3e53c5275b24bd	Fixed in c7c40c3e7b9fb900504aa746de3e53c5275b24bd
LinuxLinux	Affected ≥ 307c897db762d1e0feee9477276b08f6deca4a5b, < aa9025a498036b6012769f7af36d421385386c17	Fixed in aa9025a498036b6012769f7af36d421385386c17
LinuxLinux	Affected ≥ 307c897db762d1e0feee9477276b08f6deca4a5b, < 385a330083f8dd47c15b02e9a83aef9234a37003	Fixed in 385a330083f8dd47c15b02e9a83aef9234a37003
LinuxLinux	Affected ≥ 307c897db762d1e0feee9477276b08f6deca4a5b, < 132e47030b0b5e398e0da6c59df5a5dae9b52cff	Fixed in 132e47030b0b5e398e0da6c59df5a5dae9b52cff
LinuxLinux	Affected ≥ 307c897db762d1e0feee9477276b08f6deca4a5b, < 1c78c2002380a1fe31bfb01a3d5f29809e55a096	Fixed in 1c78c2002380a1fe31bfb01a3d5f29809e55a096

Description

In the Linux kernel, the following vulnerability has been resolved: spi: imx: fix use-after-free on unbind The SPI subsystem frees the controller and any subsystem allocated driver data as part of deregistration (unless the allocation is device managed). Take another reference before deregistering the controller so that the driver data is not freed until the driver is done with it.

References

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