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CVE-2026-23397 nfnetlink_osf: validate individual option lengths in fingerprints

🗓️ 26 Mar 2026 10:22:49Reported by GoogleType 
osv
 osv🔗 osv.dev

CVE-2026-23397 nfnetlink_osf validates fingerprint option lengths and rejects zero-length options or MSS shorter than four.

Related
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2026-23397
26 Mar 202610:22
–attackerkb
Tenable Nessus		Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2026-1594)
30 Apr 202600:00
–nessus
Tenable Nessus		Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1596)
30 Apr 202600:00
–nessus
Tenable Nessus		Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2026-1681)
9 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
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04 Jun 2026 09:14Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.1
EPSS0.00022
nfnetlink_osffingerprint optionszero length optionmss option lengthadd time checklinux kernel
0