NULL Pointer Dereference Affecting torvalds/linux package, versions [6.1,6.18.42)[6.19,7.1.6)
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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- published11 Oct 2026
- disclosed12 Aug 2026
- creditUnknown
Introduced: 12 Aug 2026
CVE-2026-68435 (opens in a new tab)How to fix?
Upgrade torvalds/linux to version 6.18.42, 7.1.6 or higher.
Overview
Affected versions of this package are vulnerable to NULL Pointer Dereference in the kexec command line lookup process. An attacker can cause a kernel crash or denial of service by supplying a crafted user-space segment buffer that leads to a NULL pointer dereference during segment comparison.
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