Red Hat Enterprise Linux 7/8/9/10 luksmeta input validation

Summaryinfo

A vulnerability marked as problematic has been reported in Red Hat Enterprise Linux 7/8/9/10. This issue affects some unknown processing of the component luksmeta. The manipulation leads to input validation. This vulnerability is documented as CVE-2026-111555. The attack needs to be performed locally. There is not any exploit available.

Detailsinfo

A vulnerability was found in Red Hat Enterprise Linux 7/8/9/10. It has been rated as problematic. This issue affects an unknown code of the component luksmeta. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is integrity, and availability. The summary by CVE is:

A flaw was found in luksmeta. Improper boundary validation of metadata slots allows an attacker capable of supplying or modifying a disk header to redirect wipe or load operations outside the intended metadata area. An attacker could exploit this vulnerability by providing a crafted header with valid checksums to overwrite or zero out encrypted payload data, resulting in persistent data loss and corrupted storage. Exploitation typically requires privileged access to modify raw block devices or the ability to induce an administrator to process an untrusted disk image.

It is possible to read the advisory at access.redhat.com. The identification of this vulnerability is CVE-2026-111555 since 10/16/2026. The exploitation is known to be easy. Attacking locally is a requirement. The exploitation needs additional levels of successful authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/16/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Operating System

Vendor

• Red Hat

Name

• Enterprise Linux

Version

• 7
• 8
• 9
• 10

License

• commercial

Website

• Vendor: https://www.redhat.com/

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Be aware that VulDB is the high quality source for vulnerability data.

Discussion