01 Record

CVE-2026-31417

net/x25: Fix overflow when accumulating packets

HighPUBLISHEDCNA: Linux

CNA base score7.5 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

View raw JSON

02 Description

net/x25: Fix overflow when accumulating packets

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: 0.45% probability of exploitation activity in the next 30 days.
EPSS percentile: Ranks above 37.2% of scored records. A rank, not a probability.
NVD base score: 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD analysis status: Modified. NVD last modified this record on 2026-07-14.
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

2026-04-13 13:21Z4 MO AGO

Last updated

2026-08-05 12:22Z1 MO AGO

Reserved

2026-03-09

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

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

Weaknesses

CWE-191Integer Underflow (Wrap or Wraparound)Base
CWE-190Integer Overflow or WraparoundBase

Data version

5.2

Document digest

2ee545f37f80902f7e7532c4a349dd24e3b914bfa1477ce20fef5618173c4acb

05 Affected products

VendorProductVersionsPlatforms

LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < 96fc16370b0bceb289c7e0479bd0540b81e257aa, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < 798d613afb64b01a203f448fb0f43c37c6afe79d, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < 6e568835ea54a3e1d08e310e34f95d434e739477, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < 1734bd85c5e0a7a801295b729efb56b009cb8fc3, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < 4e2d1bcef78d21247fe8fef13bc7ed95885df2b5, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < 8c92969c197b91c134be27dc3afb64ab468853a9, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < f953f11ccf4afe6feb635c08145f4240d9a6b544, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < a1822cb524e89b4cd2cf0b82e484a2335496a6d9, 2.6.12—

06 References

git.kernel.orghttps://git.kernel.org/stable/c/96fc16370b0bceb289c7e0479bd0540b81e257aa
git.kernel.orghttps://git.kernel.org/stable/c/798d613afb64b01a203f448fb0f43c37c6afe79d
git.kernel.orghttps://git.kernel.org/stable/c/6e568835ea54a3e1d08e310e34f95d434e739477
git.kernel.orghttps://git.kernel.org/stable/c/1734bd85c5e0a7a801295b729efb56b009cb8fc3
git.kernel.orghttps://git.kernel.org/stable/c/4e2d1bcef78d21247fe8fef13bc7ed95885df2b5
git.kernel.orghttps://git.kernel.org/stable/c/8c92969c197b91c134be27dc3afb64ab468853a9
git.kernel.orghttps://git.kernel.org/stable/c/f953f11ccf4afe6feb635c08145f4240d9a6b544
git.kernel.orghttps://git.kernel.org/stable/c/a1822cb524e89b4cd2cf0b82e484a2335496a6d9
cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-082556.html
cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-019113.html

01 Record index

CVE-2026-31417

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2026-31417

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References