Buffer Overflow Affecting torvalds/linux package, versions [6.0,6.1.191)[6.2,6.6.143)[6.7,6.12.77)[6.13,6.18.16)[6.19,6.19.6)
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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Test your applications- Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-20788628
- published10 Oct 2026
- disclosed6 May 2026
- creditUnknown
Introduced: 6 May 2026
CVE-2026-43129 (opens in a new tab)How to fix?
Upgrade torvalds/linux to version 6.1.191, 6.6.143, 6.12.77, 6.18.16, 6.19.6 or higher.
Overview
Affected versions of this package are vulnerable to Buffer Overflow in the ima_restore_measurement_list process when the second-stage kernel is booted with a limiting command line such as "mem=". An attacker can cause a page fault and potentially crash the system by providing an IMA buffer from the previous kernel that lies outside the addressable RAM of the new kernel. This is only exploitable if the system is booted via kexec with a restricted memory configuration.
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