7.8

CVE-2024-40989: KVM: arm64: Disassociate vcpus from redistributor region on teardown

Modified
AliasesRHSA-2024:11482RHSA-2024:11483UBUNTU-CVE-2024-40989
Published 12-07-2024Last modified 05-08-2026

Vulnerability summary

CVE-2024-40989 is a high (CVSS 7.8) Use After Free vulnerability in linux. EPSS estimates a 0.30% chance of exploitation in the next 30 days, higher than 22.6% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.30%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 23 · Related 17
DLA-4008-1DSA-5731-1RHSA-2024:11313RHSA-2024:7000RHSA-2024:7001RHSA-2024:9315

Timeline

  1. 12-07-2024
    PublishedVulnerability first disclosed.
  2. 05-08-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.30%

Chance of exploitation in the next 30 days

Percentile

23%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.30% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu117 products
  • linuxAll versions (No fix recorded) | < 6.8.0-44.44
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 6.8.0-1015.16
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Redhat75 products
  • bpftool< 0:7.0.0-284.97.1.el9_2
  • bpftool-debuginfo< 0:7.0.0-284.97.1.el9_2
  • kernel< 0:5.14.0-284.97.1.el9_2
  • kernel-64k< 0:5.14.0-284.97.1.el9_2
  • kernel-64k-core< 0:5.14.0-284.97.1.el9_2
Linux2 products
  • linux≥ e5a35635464bc5304674b84ea42615a3fd0bd949, < 68df4fc449fcc24347209e500ce26d5816705a77 | ≥ e5a35635464bc5304674b84ea42615a3fd0bd949, < 48bb62859d47c5c4197a8c01128d0fa4f46ee58c | ≥ e5a35635464bc5304674b84ea42615a3fd0bd949, < 152b4123f21e6aff31cea01158176ad96a999c76 | ≥ e5a35635464bc5304674b84ea42615a3fd0bd949, < 0d92e4a7ffd5c42b9fa864692f82476c0bf8bcc8 | 5.13
  • linux_kernel≥ 5.13, < 6.1.96 | ≥ 6.2, < 6.6.36 | ≥ 6.7, < 6.9.7 | 6.10:rc1 | 6.10:rc2 | 6.10:rc3 | 6.10:rc4
Debian1 product
  • linux< 6.1.99-1 | < 6.9.7-1

4 vendors · 195 products

References

25 links
Show all 25 references