CVE-2026-64602: Linux kernel · iio: adc: spear: Initialize completion before requesting IRQ
Affects Linux kernelSource GCVE Database
Not known to be exploited · fixed in 5.15.0-1117.124~20.04.1 : update Linux kernel when convenient.
Data as of 26 Oct 2026, 13:47 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 5% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 5.15.0-1117.124~20.04.1, 5.15.0-1123.132~20.04.1, 5.15.0-1122.131~20.04.1 +43
Exploitation evidence
Disclosed: evidence found.
CVE published 6 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: 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 26 Oct 2026.
What to do
Upgrade to a fixed release listed under Affected software.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ubuntu 26.04 LTSlinuxpkg:deb/ubuntu/linux?arch=source&distro=resoluteOther threats | Affected
| Fixed in
|
Ubuntu 26.04 LTSlinux-awspkg:deb/ubuntu/linux-aws?arch=source&distro=resoluteOther threats | Affected
| Fixed in
|
Ubuntu 26.04 LTSlinux-azurepkg:deb/ubuntu/linux-azure?arch=source&distro=resoluteOther threats | Affected
| Fixed in
|
Ubuntu 26.04 LTSlinux-azure-fdepkg:deb/ubuntu/linux-azure-fde?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Ubuntu 26.04 LTSlinux-gcppkg:deb/ubuntu/linux-gcp?arch=source&distro=resoluteOther threats | Affected
| Fixed in
|
Ubuntu 26.04 LTSlinux-gkepkg:deb/ubuntu/linux-gke?arch=source&distro=resoluteOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
A patch is available that fixes the issue by reordering the initialization sequence in the kernel source. Users should apply the official Linux kernel updates provided by their distribution, such as the Ubuntu security notice USN-8726-1. No additional mitigation is required beyond applying the fix.
Description
A vulnerability in the Linux kernel's iio: adc: spear driver was fixed by initializing a completion structure before requesting an IRQ. The flaw could cause a kernel panic if an interrupt arrived before the completion was initialized, leading to a wild memory access. This issue has been addressed by reordering the initialization sequence in the probe function.
References
- nvd.nist.gov/vuln/detail/CVE-2026-64602 (opens in a new tab)
- git.kernel.org/stable/c/37077d8271b1f24894fbc21bca1c4cd337525d31 (opens in a new tab)
- git.kernel.org/stable/c/3ee2128b6f0eb0be7b6cb8f6e0f1f113a65201a0 (opens in a new tab)
- git.kernel.org/stable/c/67a49ab41320b3f721ce4be7447754ff040acbd5 (opens in a new tab)
- git.kernel.org/stable/c/a50757398794aaa25f908b96c6733e045466cba4 (opens in a new tab)
- git.kernel.org/stable/c/aea8ae6c4d3ed58d9223360f758df6bd8b90c608 (opens in a new tab)
- git.kernel.org/stable/c/bbfebae473ac2c8a194523b29ccb9b45f02f134c (opens in a new tab)
- git.kernel.org/stable/c/eb5b07c9d0ec1a9d4b6871b14793c19967d79dc4 (opens in a new tab)
- git.kernel.org/stable/c/f3f90bc7b38ba3ff14f131cea0f8eb77624787a8 (opens in a new tab)
- ubuntu.com/security/CVE-2026-64602 (opens in a new tab)
- cve.org/CVERecord?id=CVE-2026-64602 (opens in a new tab)
- git.kernel.org/linus/3ee2128b6f0eb0be7b6cb8f6e0f1f113a65201a0 (opens in a new tab)
- ubuntu.com/security/notices/USN-8726-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-8727-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-8728-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-8760-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-8726-2 (opens in a new tab)
- ubuntu.com/security/notices/USN-8726-3 (opens in a new tab)
- ubuntu.com/security/notices/USN-8800-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-8760-2 (opens in a new tab)
- ubuntu.com/security/notices/USN-8728-2 (opens in a new tab)