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CVE-2025-14876VulnerabilityPublished

CVE-2025-14876: Red Hat Enterprise Linux 10 · Unthrottled Resource Allocation

Affects Red Hat Enterprise Linux 10Source CVE Database V5

0

Not known to be exploited · CVSS 5.5 Medium.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 3.1 base score
5.5Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 4% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 18 Feb 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.

What to do

Affected software

ProductAffectedFixed in
Red HatRed Hat Enterprise Linux 10Affected–Fixed in–
Red HatRed Hat Enterprise Linux 6Affected–Fixed in–
Red HatRed Hat Enterprise Linux 7Affected–Fixed in–
Red HatRed Hat Enterprise Linux 8Affected–Fixed in–
Red HatRed Hat Enterprise Linux 9Affected–Fixed in–
Red HatRed Hat OpenShift Container Platform 4Affected–Fixed in–

AI-suggested

The provided Red Hat advisory link does not explicitly state if a patch or workaround is available. Until an official fix is confirmed, limit access to guest OS environments and monitor for abnormal QEMU process terminations.

Description

CVE-2025-14876 is a vulnerability in the virtio-crypto device of QEMU version 7.1.0 where a missing length limit in the AKCIPHER path allows a malicious guest OS to trigger uncontrolled memory allocation. This flaw can cause the QEMU process on the host to terminate unexpectedly, resulting in a denial of service (DoS). The vulnerability has a CVSS score of 5.5, indicating medium severity. No known exploits are reported in the wild. There is no explicit vendor advisory content confirming a patch or mitigation status.

References

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