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CVE-2024-42230 Details

Description

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Fix scv instruction crash with kexec kexec on pseries disables AIL (reloc_on_exc), required for scv instruction support, before other CPUs have been shut down. This means they can execute scv instructions after AIL is disabled, which causes an interrupt at an unexpected entry location that crashes the kernel. Change the kexec sequence to disable AIL after other CPUs have been brought down. As a refresher, the real-mode scv interrupt vector is 0x17000, and the fixed-location head code probably couldn't easily deal with implementing such high addresses so it was just decided not to support that interrupt at all.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:4.4 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://git.kernel.org/stable/c/21a741eb75f80397e5f7d3739e24d7d75e619011	kernel.org	Patch
https://git.kernel.org/stable/c/8c6506616386ce37e59b2745fc481c6713fae4f3	kernel.org	Patch
https://git.kernel.org/stable/c/c550679d604798d9fed8a5b2bb5693448a25407c	kernel.org	Patch
https://git.kernel.org/stable/c/d10e3c39001e9194b9a1bfd6979bd3fa19dccdc5	kernel.org	Patch
https://git.kernel.org/stable/c/21a741eb75f80397e5f7d3739e24d7d75e619011	CVE	Patch
https://git.kernel.org/stable/c/8c6506616386ce37e59b2745fc481c6713fae4f3	CVE	Patch
https://git.kernel.org/stable/c/c550679d604798d9fed8a5b2bb5693448a25407c	CVE	Patch
https://git.kernel.org/stable/c/d10e3c39001e9194b9a1bfd6979bd3fa19dccdc5	CVE	Patch
https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html	CVE

see all 9 references

Weakness Enumeration

CWE-ID	CWE Name	Source
NVD-CWE-noinfo	Insufficient Information to Classify Weakness	[email protected]

Affected Products

Product	Versions
linux linux kernel	>= 5.9, < 6.1.98 >= 6.2, <= 6.6.39 >= 6.7, < 6.9.9 6.10 rc1 6.10 rc2
CPE cpe:2.3:o:linux:linux_kernel:::::::: cpe:2.3:o:linux:linux_kernel:6.10:rc1:::::: cpe:2.3:o:linux:linux_kernel:6.10:rc2:::::: cpe:2.3:o:linux:linux_kernel:6.10:rc3:::::: cpe:2.3:o:linux:linux_kernel:6.10:rc4:::::: cpe:2.3:o:linux:linux_kernel:6.10:rc5:::::: cpe:2.3:o:linux:linux_kernel:6.10:rc6:::::: Remediation No remediation found in references.

Change History

6 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	kernel.org
Jun 17, 2026	CVE Modified	CISA-ADP
Nov 3, 2025	CVE Modified	CVE
Nov 21, 2024	CVE Modified	CVE
Jul 30, 2024	Initial Analysis	[email protected]
Jul 30, 2024	New CVE Received	kernel.org