Luksmeta: data corruption when handling luks1 partitions with luksmeta
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Partial Red Hat: 5 fixed, 2 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat.
Summary
A data corruption vulnerability has been identified in the luksmeta utility when used with the LUKS1 disk encryption format. An attacker with the necessary permissions can exploit this flaw by writing a large amount of metadata to an encrypted device. The utility fails to correctly validate the available space, causing the metadata to overwrite and corrupt the user's encrypted data. This action leads to a permanent loss of the stored information. Devices using the LUKS formats other than LUKS1 are not affected by this issue.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| latchset | luksmeta | before 10 | 10 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 10 | — | 10-1.el10 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8 | — | 9-4.el8_10.1 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9 | — | 10-1.el9 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 7 | — | — | No fix listed | CNA |
| Red Hat | Red Hat OpenShift Container Platform 4 | — | — | No fix listed | CNA |
| Red Hat | Red Hat OpenShift Container Platform 4 | — | — | No fix listed | CNA |
- luksmeta Vendorlatchset Affected before 10 Fixed in 10 Patch available CNA
- Red Hat Enterprise Linux 10 VendorRed Hat Affected — Fixed in 10-1.el10 Patch available CNA
- Red Hat Enterprise Linux 8 VendorRed Hat Affected — Fixed in 9-4.el8_10.1 Patch available CNA
- Red Hat Enterprise Linux 9 VendorRed Hat Affected — Fixed in 10-1.el9 Patch available CNA
- Red Hat Enterprise Linux 7 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat OpenShift Container Platform 4 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat OpenShift Container Platform 4 VendorRed Hat Affected — Fixed in — No fix listed CNA
CPE names CNA · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:/o:redhat:enterprise_linux:10.2 | 10.2 | — | Red Hat |
| cpe:/a:redhat:enterprise_linux:8::appstream | 8 | — | Red Hat |
| cpe:/a:redhat:enterprise_linux:9::appstream | 9 | — | Red Hat |
| cpe:/a:redhat:enterprise_linux:9::crb | 9 | — | Red Hat |
| cpe:/o:redhat:rhel_els:7 | 7 | — | Red Hat |
| cpe:/a:redhat:openshift:4 | 4 | — | Red Hat |
- cpe:/o:redhat:enterprise_linux:10.2 Versions 10.2 — ·Red Hat
- cpe:/a:redhat:enterprise_linux:8::appstream Versions 8 — ·Red Hat
- cpe:/a:redhat:enterprise_linux:9::appstream Versions 9 — ·Red Hat
- cpe:/a:redhat:enterprise_linux:9::crb Versions 9 — ·Red Hat
- cpe:/o:redhat:rhel_els:7 Versions 7 — ·Red Hat
- cpe:/a:redhat:openshift:4 Versions 4 — ·Red Hat
Remediation
- Fix · CNA luksmeta (Latchset) Fixed in 10
Red Hat 3 advisories
- RHSA-2026:18824 Released 2026-05-19 · Red Hat rating Moderateluksmeta security update
- Red Hat Enterprise Linux AppStream (v. 9) libluksmeta-10-1.el9, luksmeta-10-1.el9
- Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) libluksmeta-devel-10-1.el9
- RHSA-2026:18421 Released 2026-05-19 · Red Hat rating Moderateluksmeta security update
- Red Hat Enterprise Linux AppStream (v. 10) libluksmeta-10-1.el10, luksmeta-10-1.el10
- Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) libluksmeta-devel-10-1.el10
- RHSA-2025:23086 Released 2025-12-11 · Red Hat rating Moderateluksmeta security update
- Red Hat Enterprise Linux AppStream (v. 8) libluksmeta-9-4.el8_10.1, libluksmeta-devel-9-4.el8_10.1, luksmeta-9-4.el8_10.1
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 7 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 4 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux AppStream (v. 10) | Fixed | RHSA-2026:18421 |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2025:23086 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2026:18824 |
| Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) | Fixed | RHSA-2026:18421 |
| Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) | Fixed | RHSA-2026:18824 |
Timeline
- 2026-10-02 Threatist record created from CVE-2025-11568
- 2026-10-03 Alias added: GHSA-pvmm-7c2r-wmp4
References
More latchset vulnerabilities
- TI-2023-27858 latchset jose through version 11 allows attackers to cause a denial of service (CPU… CVSS 3.1HIGH 7.5
- TI-2026-28360 JWCrypto: JWE ZIP decompression bomb CVSS 3.1MEDIUM 5.3
- TI-2024-18683 JWCrypto vulnerable to JWT bomb Attack in `deserialize` function CVSS 3.1MEDIUM 6.8
- TI-2025-36703 Python-kdcproxy: unauthenticated ssrf via realm‑controlled dns srv CVSS 3.1HIGH 8.6
- TI-2023-05748 Pkcs11-provider: side-channel proofing pkcs#1 1.5 paths CVSS 3.1HIGH 8.1
- TI-2016-05392 The _Rsa15 class in the RSA 1.5 algorithm implementation in jwa.py in jwcrypto before… CVSS 3.1MEDIUM 5.3
Sources
- CVE-2025-11568 · CVE Program
- CVE-2025-11568 · NVD
- FIRST EPSS
- GHSA-pvmm-7c2r-wmp4 · GitHub Advisory Database · CC BY 4.0
- CVE-2025-11568 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences