Improper Input Validation Affecting torvalds/linux package, versions [6.19,7.1.5)
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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- published11 Oct 2026
- disclosed15 Aug 2026
- creditUnknown
Introduced: 15 Aug 2026
CVE-2026-74328 (opens in a new tab)How to fix?
Upgrade torvalds/linux to version 7.1.5 or higher.
Overview
Affected versions of this package are vulnerable to Improper Input Validation through improper handling of the iopt_pages process during detachment from dmabuf. An attacker can achieve arbitrary code execution, escalate privileges, or cause a denial of service by orchestrating concurrent teardown and invalidation operations that exploit a use-after-free condition in the kernel heap.
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