CVE-2025-21699

mediumpriority · track · 22EPSS 0.003 · 16 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.25% (16th) EPSS

CVSS 5.5 · medium

Is it mine?

51 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

In the Linux kernel, the following vulnerability has been resolved: gfs2: Truncate address space when flipping GFS2_DIF_JDATA flag Truncate an inode's address space when flipping the GFS2_DIF_JDATA flag: depending on that flag, the pages in the address space will either use buffer heads or iomap_folio_state structs, and we cannot mix the two.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedRUGGEDCOM RST2428P (6GK6242-6PA00)siemens_psirt
Update to V3.2 or later version
https://support.industry.siemens.com/cs/ww/en/view/109988839/
FixedSCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 familysiemens_psirt
See Section Additional Information.
FixedSCALANCE XCM-/XRM-/XCH-/XRH-300 familysiemens_psirt
Update to V3.2 or later version
https://support.industry.siemens.com/cs/ww/en/view/109988839/
FixedRUGGEDCOM RST2428P (6GK6242-6PA00)cisa_csaf_ot
Update to V3.2 or later version
https://support.industry.siemens.com/cs/ww/en/view/109988839/
FixedSCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 familycisa_csaf_ot
See Section Additional Information.
FixedSCALANCE XCM-/XRM-/XCH-/XRH-300 familycisa_csaf_ot
Update to V3.2 or later version
https://support.industry.siemens.com/cs/ww/en/view/109988839/

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.1–7.8

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 3.6

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hsecondary · CISA US

v3.15.5mediumAV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hsecondaryexploitability 1.8 · impact 3.6

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 1.8 · impact 5.9

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hsecondary · Siemens ProductCERT DE

v3.15.1mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-120USCWE-20USCWE-20US

affected products (51)

Products and version ranges known to be affected.

Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Dell Dell Secure Connect Gateway <5.30.0.14< 5.30.0.14cert_bundDE
Dell Secure Connect Gateway< 5.30.0.14cert_bundDE
RUGGEDCOM RST2428P (6GK6242-6PA00)all versionscisa_csaf_otUS
SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 familyall versionscisa_csaf_otUS
SCALANCE XCM-/XRM-/XCH-/XRH-300 familyall versionscisa_csaf_otUS
Siemens RUGGEDCOM RST2428P (6GK6242-6PA00)≤ vers:intdot/<3.2cisa_csaf_otUS
Siemens SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family≤ vers:intdot/<3.2cisa_csaf_otUS
Siemens SCALANCE XCM-/XRM-/XCH-/XRH-300 family≤ vers:intdot/<3.2cisa_csaf_otUS
Linux Linuxall versionsenisa_euvdEU
Linux Linux≤ 5.10enisa_euvdEU
Linux Linux< 5.10.234enisa_euvdEU
Linux Linux< 5.15.178enisa_euvdEU
Linux Linux< 6.1.128enisa_euvdEU
Linux Linux< 6.12.12enisa_euvdEU
Linux Linux< 6.13.1enisa_euvdEU
Linux Linux< 6.14enisa_euvdEU
Linux Linux< 6.6.75enisa_euvdEU

showing 20 of 51

advisories (4)

Vendor and ecosystem advisories describing this.

SSA-355557SSA-355557: Multiple Vulnerabilities in Third-Party Components in SINEC OS before V3.22025-08-12csaf · siemens_psirtDE
SINEC OS before V3.2 contains third-party components with multiple vulnerabilities. Siemens has released new versions for the affected products and recommends to update to the latest versions.
WID-SEC-W-2025-0362Linux Kernel: Mehrere SchwachstellenDeutsch2025-02-12csaf · cert_bundDE
Ein lokaler Angreifer kann diese Schwachstellen ausnutzen, um einen Denial-of-Service-Zustand oder andere nicht spezifizierte Effekte zu erzeugen.
WID-SEC-W-2025-1439Dell Secure Connect Gateway: Mehrere Schwachstellen ermöglichen nicht spezifizierten AngriffDeutsch2025-06-30csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Dell Secure Connect Gateway ausnutzen, um einen nicht näher spezifizierten Angriff durchzuführen.
ICSA-25-226-07Siemens Third-Party Components in SINEC OS2025-08-12icsa · cisa_csaf_otUS
SINEC OS before V3.2 contains third-party components with multiple vulnerabilities. Siemens has released new versions for the affected products and recommends to update to the latest versions.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund cisa_csaf_ot siemens_psirt NVD CVE.org MITRE

published 2025-02-12modified 2026-07-30

references (25)

External citations — patches, advisories, analysis.

scry

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