CVE-2023-0597
kernel: x86/mm: Randomize per-cpu entry area
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 7, 2022
Updated · October 29, 2026
Description
A possible unauthorized memory access flaw was found in the Linux kernel cpu_entry_area mapping of X86 CPU data to memory, where a user may guess the location of exception stack(s) or other important data. This issue could allow a local user to gain access to some important data with expected location in memory.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-401 · Missing Release of Memory after Effective Lifetime