01 Record

CVE-2026-80731

net: remove CAP_SYS_RAWIO zero-padding in dev_validate_header

HighPUBLISHEDCNA: Linux

CNA base score7.8 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

View raw JSON

02 Description

net: remove CAP_SYS_RAWIO zero-padding in dev_validate_header

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 0.24% probability of exploitation activity in the next 30 days.
EPSS percentile: Ranks above 15.4% of scored records. A rank, not a probability.
NVD base score: 7.8 (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:H/I:H/A:H
NVD analysis status: Received. NVD last modified this record on 2026-09-04.
Red Hat severity: No Red Hat rating. Red Hat rates the CVEs that affect its products.

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: 2026-09-03 08:21Z1 DAY AGO
Last updated: 2026-09-04 04:58Z21 HR AGO
Reserved: 2026-08-26
Assigning CNA: Linux
Record state: PUBLISHED
Severity: High (CVSS 7.8)
CNA CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses: No CWE assigned
Data version: 5.2
Document digest: 287e6a0cbf076b8eeb3998269a8ac50389dad1643079363071dd46d7beb5b59a

05 Affected products

VendorProductVersionsPlatforms

LinuxLinuxb5518429e70cd783b8ca52335456172c1a0589f6 to < 53fd7f912c0877647d6a1e1877f5ea8535ee0b4a, 2793a23aacbd754dbbb5cb75093deb7e4103bace to < fa6d98dd925e72fc028b26a0cbbff9d2f0601ff6, 2793a23aacbd754dbbb5cb75093deb7e4103bace to < 8fc9816404166a90ed8d544dc52482fafffb6d9f, 2793a23aacbd754dbbb5cb75093deb7e4103bace to < b0f92a5731dc82556a9ae005cc35f71ab136307b, 2793a23aacbd754dbbb5cb75093deb7e4103bace to < 99df6b7a713f96eda206680d100b76e15f9d9b69, 2793a23aacbd754dbbb5cb75093deb7e4103bace to < 74e035f07f53feca09e2352e77fccb09cad5e208, 2793a23aacbd754dbbb5cb75093deb7e4103bace to < dbb30dc943a93e083f1e531bfdc6779e57de40d0, 2793a23aacbd754dbbb5cb75093deb7e4103bace to < fc902f52a02298c7432b2334c0c82a2885a1a8b6, 2793a23aacbd754dbbb5cb75093deb7e4103bace to < 3b9a324e646d3657a8d9806dfbfe4f3e4066e882, f58a6c08ebdfa978178bbca78c2ba744a2665912, 1df16498dfd0d5a129bdf2982d9a08df73e8923d, 8b8d278aa4de9335682bbd4a3bb619af015c859e, 6804052fa9d86e9a512c88b24a5debbfc1a490fc, 3.2.80 to < 3.2.81, 3.16.36 to < 3.17, 4.1.28 to < 4.2, 4.4.8 to < 4.5, 4.5.2 to < 4.6, 4.6—

06 References

git.kernel.orghttps://git.kernel.org/stable/c/53fd7f912c0877647d6a1e1877f5ea8535ee0b4a
git.kernel.orghttps://git.kernel.org/stable/c/fa6d98dd925e72fc028b26a0cbbff9d2f0601ff6
git.kernel.orghttps://git.kernel.org/stable/c/8fc9816404166a90ed8d544dc52482fafffb6d9f
git.kernel.orghttps://git.kernel.org/stable/c/b0f92a5731dc82556a9ae005cc35f71ab136307b
git.kernel.orghttps://git.kernel.org/stable/c/99df6b7a713f96eda206680d100b76e15f9d9b69
git.kernel.orghttps://git.kernel.org/stable/c/74e035f07f53feca09e2352e77fccb09cad5e208
git.kernel.orghttps://git.kernel.org/stable/c/dbb30dc943a93e083f1e531bfdc6779e57de40d0
git.kernel.orghttps://git.kernel.org/stable/c/fc902f52a02298c7432b2334c0c82a2885a1a8b6
git.kernel.orghttps://git.kernel.org/stable/c/3b9a324e646d3657a8d9806dfbfe4f3e4066e882

01 Record index

CVE-2026-80731

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2026-80731

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References