CVE-2026-98395
kernel: powerpc/entry: Fix irq_soft_mask corruption on replayed interrupt exit
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 14, 2026
Updated · October 15, 2026
Description
A flaw was found in the Linux kernel's PowerPC architecture. This flaw allows a local user to cause a Denial of Service (DoS) and system instability. When processing replayed interrupts, the kernel improperly updates its internal interrupt mask, stripping critical status flags and leading to unexpected interrupt states.
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 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-617 · Reachable Assertion