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CVE-2025-39848 ax25: properly unshare skbs in ax25_kiss_rcv()

🗓️ 19 Sep 2025 15:26:21Reported by GoogleType 
osv
 osv🔗 osv.dev👁 1 Views

Linux kernel fix to unshare socket buffers in ax25_kiss_rcv and prevent crashes from shared buffers after per network namespace packet chains.

Related
Refs
ReporterTitlePublishedViews
Family
Tenable Nessus		Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2025-1210)
30 Sep 202500:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.15-2025-091 (ALASKERNEL-5.15-2025-091)
30 Sep 202500:00
–nessus
Tenable Nessus		Debian dla-4327 : ata-modules-5.10.0-35-armmp-di - security update
13 Oct 202500:00
–nessus
Tenable Nessus		Debian dla-4328 : linux-config-6.1 - security update
13 Oct 202500:00
–nessus
Tenable Nessus		Debian dsa-6008 : ata-modules-6.12.31-armmp-di - security update
22 Sep 202500:00
–nessus
Tenable Nessus		Debian dsa-6009 : affs-modules-6.1.0-37-4kc-malta-di - security update
22 Sep 202500:00
–nessus
Tenable Nessus		openSUSE 16 Security Update : kernel (openSUSE-SU-2025-20081-1)
2 Dec 202500:00
–nessus
Tenable Nessus		Photon OS 4.0: Linux PHSA-2025-4.0-0874
26 Sep 202500:00
–nessus
Tenable Nessus		Photon OS 5.0: Linux PHSA-2025-5.0-0630
30 Sep 202500:00
–nessus
Tenable Nessus		SUSE SLED15 / SLES15 / openSUSE 15 Security Update : kernel (SUSE-SU-2025:03600-1)
15 Dec 202500:00
–nessus
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02 Apr 2026 12:48Current
6Medium risk
Vulners AI Score6
CVSS 3.15.5
EPSS0.00017
linux kernelax25 interfacesocket buffersunsharing socketsshared buffersper network namespacepacket chains
1