CVEvulnerability

CVE-2023-53205

7.8 HIGH Published 2025-09-15 Modified 2026-10-15 Official page ↗
Status
Modified
Published
2025-09-15
Last modified
2026-10-15
Assigner
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS 3.1 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
7.3 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:H
CVSS 3.1 ([email protected])
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-787

Description

In the Linux kernel, the following vulnerability has been resolved: KVM: s390/diag: fix racy access of physical cpu number in diag 9c handler We do check for target CPU == -1, but this might change at the time we are going to use it. Hold the physical target CPU in a local variable to avoid out-of-bound accesses to the cpu arrays.

Affected configurations

• linux linux kernel (>= 5.13 < 5.15.121) • linux linux kernel (>= 5.16 < 6.1.39) • linux linux kernel (>= 6.2 < 6.4.4)

Related

Weakness · CWE (1)

  • CWE-787 Out-of-bounds Write weakness

References