CVE-2026-98964: Linux kernel · nvmet: use the local P2P device on metadata allocation failure
Affects Linux kernelSource GCVE Database
Not known to be exploited · CVSS 7.5 High.
Data as of 28 Oct 2026, 02:11 UTC
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitation 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 has been released in the affected Linux kernel versions. Users and administrators should apply the official kernel updates that include this patch to resolve the issue. Since this is a kernel-level vulnerability, updating to the patched kernel versions is the recommended and effective mitigation.
Description
A high-severity vulnerability in the Linux kernel's nvmet subsystem involves improper handling of peer-to-peer (P2P) device references during metadata allocation failures. Specifically, if data allocation succeeds but metadata allocation fails, the cleanup function uses an uninitialized device pointer, potentially causing a use-after-free or similar memory corruption. This issue has been resolved by ensuring the local P2P device is used consistently during cleanup.
References
- ubuntu.com/security/CVE-2026-98964 (opens in a new tab)
- cve.org/CVERecord?id=CVE-2026-98964 (opens in a new tab)
- git.kernel.org/stable/c/32f21607911a1f69c8f0f93a6c28fe6f8490aa98 (opens in a new tab)
- git.kernel.org/stable/c/3c231142c4f4bb96836469eb276026ec55940093 (opens in a new tab)
- git.kernel.org/stable/c/4aa9c0f377a4de5e8fddce76b34ee4529639a1ff (opens in a new tab)
- git.kernel.org/stable/c/73bf0f9579633b531098a475e6e55c9316763aed (opens in a new tab)
- git.kernel.org/stable/c/ce79a6c5cc1b8054ec8d3eba16adda4a36113438 (opens in a new tab)