01 Record

CVE-2025-21665

filemap: avoid truncating 64-bit offset to 32 bits

MediumPUBLISHEDCNA: Linux

CNA base score5.5 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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02 Description

filemap: avoid truncating 64-bit offset to 32 bits

03 Exploitation and scoring

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.21% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 11.7% of scored records. A rank, not a probability.

NVD base score

5.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2025-01-31 11:25Z1 YR AGO

Last updated

2026-05-11 21:04Z3 MO AGO

Reserved

2024-12-29

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Medium (CVSS 5.5)

CNA CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')Base

Data version

5.2

Document digest

adf5a72be9ab2c3e63e615865fbf6c0e61d9a269deb4863cefc76ad4280f21f1

05 Affected products

VendorProductVersionsPlatforms

LinuxLinux54fa39ac2e00b1b8c2a7fe72e648773ffa48f76d to < 64e5fd96330df2ad278d1c4edcca581f26e5f76e, 54fa39ac2e00b1b8c2a7fe72e648773ffa48f76d to < 80fc836f3ebe2f2d2d2c80c698b7667974285a04, 54fa39ac2e00b1b8c2a7fe72e648773ffa48f76d to < 09528bb1a4123e2a234eac2bc45a0e51e78dab43, 54fa39ac2e00b1b8c2a7fe72e648773ffa48f76d to < 280f1fb89afc01e7376f59ae611d54ca69e9f967, 54fa39ac2e00b1b8c2a7fe72e648773ffa48f76d to < f505e6c91e7a22d10316665a86d79f84d9f0ba76, 5.12—

06 References

git.kernel.orghttps://git.kernel.org/stable/c/64e5fd96330df2ad278d1c4edcca581f26e5f76e
git.kernel.orghttps://git.kernel.org/stable/c/80fc836f3ebe2f2d2d2c80c698b7667974285a04
git.kernel.orghttps://git.kernel.org/stable/c/09528bb1a4123e2a234eac2bc45a0e51e78dab43
git.kernel.orghttps://git.kernel.org/stable/c/280f1fb89afc01e7376f59ae611d54ca69e9f967
git.kernel.orghttps://git.kernel.org/stable/c/f505e6c91e7a22d10316665a86d79f84d9f0ba76
lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/03/msg00001.html

01 Record index

CVE-2025-21665

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2025-21665

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References