01 Record

CVE-2026-23391

netfilter: xt_CT: drop pending enqueued packets on template removal

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

netfilter: xt_CT: drop pending enqueued packets on template removal

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: 0.13% probability of exploitation activity in the next 30 days.
EPSS percentile: Ranks above 2.9% 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: Modified. NVD last modified this record on 2026-07-14.
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

2026-03-25 10:33Z5 MO AGO

Last updated

2026-08-05 12:21Z29 DAYS AGO

Reserved

2026-01-13

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

CWE-911Improper Update of Reference CountBase

Data version

5.2

Document digest

bdfe4b10b5fd53cd362eac3c2a4ef5dd8cbdbae9c593d7a03c3532df49ce5169

05 Affected products

VendorProductVersionsPlatforms

LinuxLinux24de58f465165298aaa8f286b2592f0163706cfe to < 55445134d42b84cb0a272e42c98d233ca65eca83, 24de58f465165298aaa8f286b2592f0163706cfe to < cc57506dd66555899560b9c0f24e813f034e12ec, 24de58f465165298aaa8f286b2592f0163706cfe to < d2d0bae0c9a2a17b6990a2966f5cdce0813d6256, 24de58f465165298aaa8f286b2592f0163706cfe to < 63b8097cea1923fe82cd598068d0796da8c015ec, 24de58f465165298aaa8f286b2592f0163706cfe to < 19a230dec6bb8928e3f96387f9085cf2c79bcef9, 24de58f465165298aaa8f286b2592f0163706cfe to < cb549925875fa06dd155e49db4ac2c5044c30f9c, 24de58f465165298aaa8f286b2592f0163706cfe to < 777d02efe3d630cca4c1b63962cec17c57711325, 24de58f465165298aaa8f286b2592f0163706cfe to < f62a218a946b19bb59abdd5361da85fa4606b96b, 3.4—

06 References

git.kernel.orghttps://git.kernel.org/stable/c/55445134d42b84cb0a272e42c98d233ca65eca83
git.kernel.orghttps://git.kernel.org/stable/c/cc57506dd66555899560b9c0f24e813f034e12ec
git.kernel.orghttps://git.kernel.org/stable/c/d2d0bae0c9a2a17b6990a2966f5cdce0813d6256
git.kernel.orghttps://git.kernel.org/stable/c/63b8097cea1923fe82cd598068d0796da8c015ec
git.kernel.orghttps://git.kernel.org/stable/c/19a230dec6bb8928e3f96387f9085cf2c79bcef9
git.kernel.orghttps://git.kernel.org/stable/c/cb549925875fa06dd155e49db4ac2c5044c30f9c
git.kernel.orghttps://git.kernel.org/stable/c/777d02efe3d630cca4c1b63962cec17c57711325
git.kernel.orghttps://git.kernel.org/stable/c/f62a218a946b19bb59abdd5361da85fa4606b96b
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-2026-23391

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2026-23391

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References