Vulnerability in Linux

CVE-2022-49852

In the Linux kernel, the following vulnerability has been resolved: riscv: process: fix kernel info leakage thread_struct's s[12] may contain random kernel memory content, which may be finally leaked to userspace. This is a security hole. Fix it by clearing the s[12] array in thread_struct when fork. As for kthread case, it's better to clear the s[12] array as well.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.

EPSS exploit prediction

EPSS: 0.002 (9.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 9.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2022-49852: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

  • Linux — versions 7db91e57a0acde126a162ababfb1e0ab190130cb, 4.15, 0
  • Linux Kernel — versions 6.1

References

Frequently asked questions

What is CVE-2022-49852?
CVE-2022-49852 is a high-severity vulnerability in Linux. CVSS score: 7.1/10. Published 2025-05-01.
How severe is CVE-2022-49852?
High severity. CVSS v3 base score is 7.1 out of 10.