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CVE-2024-40989

KVM: arm64: Disassociate vcpus from redistributor region on teardown

HIGH
7.8
CVSS Score
Published: July 12, 2024 at 12:37 PM UTC
Updated: August 5, 2026 at 12:04 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.8
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Disassociate vcpus from redistributor region on teardown When tearing down a redistributor region, make sure we don't have any dangling pointer to that region stored in a vcpu.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
5.13 ≤ v < 6.1.965.13 ≤ v < 6.105.13 ≤ v < 6.6.365.13 ≤ v < 6.9.76.2 ≤ v < 6.6.366.7 ≤ v < 6.9.76.10 rc16.10 rc26.10 rc36.10 rc4e5a35635464bc5304674b84ea42615a3fd0bd949
Vendor states this is fixed in 0d92e4a7ffd5c42b9fa864692f82476c0bf8bcc8 (fixed)
Vendor states this is fixed in 152b4123f21e6aff31cea01158176ad96a999c76 (fixed)
Vendor states this is fixed in 48bb62859d47c5c4197a8c01128d0fa4f46ee58c (fixed)
Vendor states this is fixed in 68df4fc449fcc24347209e500ce26d5816705a77 (fixed)
Vendor states this is fixed in 5.13 (unaffected)
Vendor states this is fixed in 6.1.96 (unaffected)
Vendor states this is fixed in 6.10 (unaffected)
Vendor states this is fixed in 6.6.36 (unaffected)
Vendor states this is fixed in 6.9.7 (unaffected)

References (5)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/0d92e4a7ffd5c42b9fa864692f82476c0bf8bcc8
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/152b4123f21e6aff31cea01158176ad96a999c76
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/48bb62859d47c5c4197a8c01128d0fa4f46ee58c
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/68df4fc449fcc24347209e500ce26d5816705a77
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHLinux
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-416

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