Review reviewHigh

CVE-2024-40989

Linux Linux, linux kernel

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.

CVSS
7.8
EPSS
0.30%
22.1% percentile
CISA KEV
Not listed
Published
2024.07.12
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.30%
Technical severityCVSS 7.8

Vulnerability overview

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 product and versions

Product
Linux Linux, linux kernel
Affected versions
>= e5a35635464bc5304674b84ea42615a3fd0bd949 < 68df4fc449fcc24347209e500ce26d5816705a77, >= e5a35635464bc5304674b84ea42615a3fd0bd949 < 48bb62859d47c5c4197a8c01128d0fa4f46ee58c, >= e5a35635464bc5304674b84ea42615a3fd0bd949 < 152b4123f21e6aff31cea01158176ad96a999c76, >= e5a35635464bc5304674b84ea42615a3fd0bd949 < 0d92e4a7ffd5c42b9fa864692f82476c0bf8bcc8, >= 5.13, >= 5.13 < 6.1.96, >= 6.2 < 6.6.36, >= 6.7 < 6.9.7, 6.10
Fixed versions
6.1.96, 6.6.36, 6.9.7

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux Linux, linux kernel and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-416