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CVE-2026-19617VulnerabilityPublished Updated

Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

Affects Red HatSource GCVE Database

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Authoritative record:CVE-2026-19617· Medium 5.5

Not known to be exploited · CVSS 5.5 Medium.

Data as of 5 Nov 2026, 23:33 UTC

CVSS 3.1 base score
5.5Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (redhat)CVSS 3.15.5
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:N/UI:R/S:U/C:N/I:N/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 14 Aug 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: 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 5 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
Red Hat Hardened Imageslvm2-mainAffected–Fixed in–
Red Hat Enterprise Linux 10lvm2Affected–Fixed in–
Red Hat Enterprise Linux 6lvm2Affected–Fixed in–
Red Hat Enterprise Linux 7lvm2Affected–Fixed in–
Red Hat Enterprise Linux 8lvm2Affected–Fixed in–
Red Hat Enterprise Linux 9lvm2Affected–Fixed in–

AI-suggested

Red Hat has released updated RPM packages that fix this vulnerability. Users should apply the provided updates to device-mapper and lvm2 RPMs as detailed in the Red Hat advisory. Additionally, systems should avoid importing LVM physical volumes from untrusted sources without inspecting metadata. Access to LVM metadata should be restricted to trusted administrators, especially on shared or externally attached storage devices. Since a fix is available, applying the update is the recommended remediation.

Description

A vulnerability in libdm's Logical Volume Manager (LVM) metadata configuration parser allows a local attacker to cause a denial of service (DoS) by crafting deeply nested metadata structures. This leads to uncontrolled recursion and stack exhaustion, causing LVM commands that read the metadata to crash. The issue affects systems where untrusted users can write or modify LVM metadata. Mitigation involves restricting write access to LVM metadata and inspecting imported physical volumes from untrusted sources. A fix has been released in updated Red Hat Hardened Images RPMs.

References

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