CVE-2024-42230
July 30, 2024, 7:32 p.m.
Tags
CVSS Score
Products Impacted
| Vendor | Product | Versions |
|---|---|---|
| linux |
|
|
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.
Weaknesses
Date
Published: July 30, 2024, 8:15 a.m.
Last Modified: July 30, 2024, 7:32 p.m.
Status : Analyzed
CVE has been recently published to the CVE List and has been received by the NVD.
More infoSource
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CPEs
| Type | Vendor | Product | Version | Update | Edition | Language | Software Edition | Target Software | Target Hardware | Other Information |
|---|---|---|---|---|---|---|---|---|---|---|
| o | linux | linux_kernel | / | / | / | / | / | / | / | / |
| o | linux | linux_kernel | / | / | / | / | / | / | / | / |
| o | linux | linux_kernel | / | / | / | / | / | / | / | / |
| o | linux | linux_kernel | 6.10 | rc1 | / | / | / | / | / | / |
| o | linux | linux_kernel | 6.10 | rc2 | / | / | / | / | / | / |
| o | linux | linux_kernel | 6.10 | rc3 | / | / | / | / | / | / |
| o | linux | linux_kernel | 6.10 | rc4 | / | / | / | / | / | / |
| o | linux | linux_kernel | 6.10 | rc5 | / | / | / | / | / | / |
| o | linux | linux_kernel | 6.10 | rc6 | / | / | / | / | / | / |
CVSS Data
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Base Score
Exploitability Score
Impact Score
Base Severity
MEDIUMCVSS Vector String
The CVSS vector string provides an in-depth view of the vulnerability metrics.
View Vector StringCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H