Exposure of Sensitive Information to an Unauthorized Actor Affecting torvalds/linux package, versions [5.9,6.12.113)[6.13,6.18.56)[6.19,7.2.10)
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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- published19 Oct 2026
- disclosed18 Oct 2026
- creditUnknown
Introduced: 18 Oct 2026
NewCVE-2026-98655 (opens in a new tab)How to fix?
Upgrade torvalds/linux to version 6.12.113, 6.18.56, 7.2.10 or higher.
Overview
Affected versions of this package are vulnerable to Exposure of Sensitive Information to an Unauthorized Actor via the perf process. An attacker can disclose kernel instruction addresses by opening and memory-mapping a task-local software event with text_poke=1, which allows observation of relocated addresses of modified instructions. This can reveal the runtime kernel text base even when KASLR is enabled.
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