CVE-2026-99044: Linux kernel · ice: fix use-after-free in dynamic port cleanup
Affects Linux kernelSource GCVE Database
Not known to be exploited.
Data as of 28 Oct 2026, 01:44 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
Exploitation evidence
Disclosed: evidence found.
CVE published 23 Oct 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
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ubuntu 26.10linuxpkg:deb/ubuntu/linux?arch=source&distro=stonkingOther threats | Affected
| Fixed in– |
Ubuntu 26.10linux-awspkg:deb/ubuntu/linux-aws?arch=source&distro=stonkingOther threats | Affected
| Fixed in– |
Ubuntu 26.10linux-azurepkg:deb/ubuntu/linux-azure?arch=source&distro=stonkingOther threats | Affected
| Fixed in– |
Ubuntu 26.10linux-azure-fdepkg:deb/ubuntu/linux-azure-fde?arch=source&distro=stonkingOther threats | Affected
| Fixed in– |
Ubuntu 26.10linux-gcppkg:deb/ubuntu/linux-gcp?arch=source&distro=stonkingOther threats | Affected
| Fixed in– |
Ubuntu 26.10linux-oraclepkg:deb/ubuntu/linux-oracle?arch=source&distro=stonkingOther 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 fix for this vulnerability is available in updated Linux kernel versions. Users should upgrade to patched kernel versions to remediate the issue. No additional mitigation steps are specified.
Description
A use-after-free vulnerability in the Linux kernel's ice driver was fixed. The flaw occurs during dynamic port cleanup when the code frees a VSI object before using its index to erase a dynamic port, leading to a use-after-free condition.
References
- ubuntu.com/security/CVE-2026-99044 (opens in a new tab)
- cve.org/CVERecord?id=CVE-2026-99044 (opens in a new tab)
- git.kernel.org/stable/c/1402fc67d2f4e2e1fc7bf8ee0825b8ad994557ff (opens in a new tab)
- git.kernel.org/stable/c/7c1344df1ae0579f57b97647e5203b06496ce10c (opens in a new tab)
- git.kernel.org/stable/c/b98eb58ba2f8fe8e9bba1b8a3b94fa5602c6de84 (opens in a new tab)
- git.kernel.org/stable/c/ca8a6285b11d01e5a279b1aa7fb55b1a02ecebb1 (opens in a new tab)