Missing Release of Memory after Effective Lifetime Affecting torvalds/linux package, versions [4.0.2,4.1)[4.1,6.6.160)[6.7,6.12.114)[6.13,6.18.57)[6.19,7.2.11)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published24 Oct 2026
- disclosed23 Oct 2026
- creditUnknown
Introduced: 23 Oct 2026
NewCVE-2026-98993 (opens in a new tab)How to fix?
Upgrade torvalds/linux to version 4.1, 6.6.160, 6.12.114, 6.18.57, 7.2.11 or higher.
Overview
Affected versions of this package are vulnerable to Missing Release of Memory after Effective Lifetime in the clone_mnt process. An attacker can cause resource leaks, reference count errors, and potential use-after-free conditions by manipulating mount namespaces and file descriptors to clone mounts with improper flag inheritance.
Note: The Linux kernel project assigns a CVE to every bug fix it ships, whether or not the bug has been shown to be exploitable. This advisory was generated from that process and has not been individually assessed for exploitability. See the kernel's CVE process documentation: https://github.com/torvalds/linux/blob/master/Documentation/process/cve.rst