Mismatched Memory Management Routines in Linux kernel - CVE-2026-98024
Published: September 28, 2026
Vulnerability identifier: #VU152458
CSH Severity: Low
CVSS v4: 0 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-98024
CWE-ID: CWE-762
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause slab allocator corruption.
The vulnerability exists due to incorrect memory deallocation in ism_alloc_dmb() when handling an error after allocating dmb->cpu_addr with folio_alloc(). A local user can trigger the error exit to cause slab allocator corruption.
The dmb->cpu_addr pointer may be used by future callers after the associated folio has been released.
Affected software
Linux kernel
How to mitigate CVE-2026-98024
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3