01 Record

CVE-2026-31427

netfilter: nf_conntrack_sip: fix use of uninitialized rtp_addr in process_sdp

UnratedPUBLISHEDCNA: Linux

CNA base scoreUnratedNo CNA CVSS vector

View raw JSON

02 Description

netfilter: nf_conntrack_sip: fix use of uninitialized rtp_addr in process_sdp

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: 0.12% probability of exploitation activity in the next 30 days.
EPSS percentile: Ranks above 2.2% 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 2026-07-14.
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

2026-04-13 13:40Z4 MO AGO

Last updated

2026-07-14 12:47Z1 MO AGO

Reserved

2026-03-09

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-908Use of Uninitialized ResourceBase
CWE-824Access of Uninitialized PointerBase

Data version

5.2

Document digest

7f0f959f08b0d622cc3f9a8add3d766dd6dae8602732fc99bf8664b94fac4592

05 Affected products

VendorProductVersionsPlatforms

LinuxLinux4ab9e64e5e3c0516577818804aaf13a630d67bc9 to < faa6ea32797a1847790514ff0da1be1d09771580, 4ab9e64e5e3c0516577818804aaf13a630d67bc9 to < 82baeb871e8f04906bc886273fdf0209e1754eb3, 4ab9e64e5e3c0516577818804aaf13a630d67bc9 to < 6e5e3c87b7e6212f1d8414fc2e4d158b01e12025, 4ab9e64e5e3c0516577818804aaf13a630d67bc9 to < fe463e76c9b4b0b43b5ee8961b4c500231f1a3f6, 4ab9e64e5e3c0516577818804aaf13a630d67bc9 to < 7edca70751b9bdb5b83eed53cde21eccf3c86147, 4ab9e64e5e3c0516577818804aaf13a630d67bc9 to < 01f34a80ac23ae90b1909b94b4ed05343a62f646, 4ab9e64e5e3c0516577818804aaf13a630d67bc9 to < 52fdda318ef2362fc5936385bcb8b3d0328ee629, 4ab9e64e5e3c0516577818804aaf13a630d67bc9 to < 6a2b724460cb67caed500c508c2ae5cf012e4db4, 2.6.26—

06 References

git.kernel.orghttps://git.kernel.org/stable/c/faa6ea32797a1847790514ff0da1be1d09771580
git.kernel.orghttps://git.kernel.org/stable/c/82baeb871e8f04906bc886273fdf0209e1754eb3
git.kernel.orghttps://git.kernel.org/stable/c/6e5e3c87b7e6212f1d8414fc2e4d158b01e12025
git.kernel.orghttps://git.kernel.org/stable/c/fe463e76c9b4b0b43b5ee8961b4c500231f1a3f6
git.kernel.orghttps://git.kernel.org/stable/c/7edca70751b9bdb5b83eed53cde21eccf3c86147
git.kernel.orghttps://git.kernel.org/stable/c/01f34a80ac23ae90b1909b94b4ed05343a62f646
git.kernel.orghttps://git.kernel.org/stable/c/52fdda318ef2362fc5936385bcb8b3d0328ee629
git.kernel.orghttps://git.kernel.org/stable/c/6a2b724460cb67caed500c508c2ae5cf012e4db4
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-2026-31427

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2026-31427

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References