CVE-2026-31427 netfilter: nf_conntrack_sip: fix use of uninitialized rtp_addr in process_sdp

🗓️ 13 Apr 2026 13:40:30Reported by GoogleType

osv🔗 osv.dev👁 1 Views

Fix use of uninitialized rtp_addr in process_sdp to avoid rewriting session addresses when none are found.

Reporter	Title	Published	Views	Family All 73
ATTACKERKB	CVE-2026-31427	13 Apr 202613:40	–	attackerkb
Tenable Nessus	Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2026-1646)	5 May 202600:00	–	nessus
Tenable Nessus	Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2026-1681)	9 May 202600:00	–	nessus
Tenable Nessus	Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1746)	27 May 202600:00	–	nessus
Tenable Nessus	Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2026-118 (ALASKERNEL-5.10-2026-118)	9 May 202600:00	–	nessus
Tenable Nessus	Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.15-2026-102 (ALASKERNEL-5.15-2026-102)	9 May 202600:00	–	nessus
Tenable Nessus	Debian dla-4561 : linux-config-6.1 - security update	2 May 202600:00	–	nessus
Tenable Nessus	Debian dla-4606 : ata-modules-5.10.0-43-armmp-di - security update	3 Jun 202600:00	–	nessus
Tenable Nessus	Debian dsa-6238 : ata-modules-6.12.74+deb13+1-armmp-di - security update	30 Apr 202600:00	–	nessus
Tenable Nessus	Debian dsa-6243 : affs-modules-6.1.0-44-4kc-malta-di - security update	2 May 202600:00	–	nessus

Source	Link
git	www.git.kernel.org/stable/c/01f34a80ac23ae90b1909b94b4ed05343a62f646
git	www.git.kernel.org/stable/c/52fdda318ef2362fc5936385bcb8b3d0328ee629
git	www.git.kernel.org/stable/c/6a2b724460cb67caed500c508c2ae5cf012e4db4
git	www.git.kernel.org/stable/c/6e5e3c87b7e6212f1d8414fc2e4d158b01e12025
git	www.git.kernel.org/stable/c/7edca70751b9bdb5b83eed53cde21eccf3c86147
git	www.git.kernel.org/stable/c/82baeb871e8f04906bc886273fdf0209e1754eb3
git	www.git.kernel.org/stable/c/faa6ea32797a1847790514ff0da1be1d09771580
git	www.git.kernel.org/stable/c/fe463e76c9b4b0b43b5ee8961b4c500231f1a3f6
github	www.github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31427.json
nvd	www.nvd.nist.gov/vuln/detail/CVE-2026-31427

09 Jul 2026 18:31Current

5.8Medium risk

Vulners AI Score5.8

CVSS 3.15.5

EPSS0.00115