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kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags

🗓️ 21 Nov 2023 14:51:59Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 8 Views

TUN/TAP driver flaw: out-of-bounds access for oversized packets with packet fragmentation enabled, risking crash or privilege escalation.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2022-023 (ALASKERNEL-5.10-2022-023)
8 Dec 202200:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.15-2022-011 (ALASKERNEL-5.15-2022-011)
8 Dec 202200:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.4-2022-039 (ALASKERNEL-5.4-2022-039)
14 Dec 202200:00
–nessus
Tenable Nessus		Alibaba Cloud Linux 3 : 0114: cloud-kernel bugfix, enhancement and (ALINUX3-SA-2023:0114)
14 May 202500:00
–nessus
Tenable Nessus		Alibaba Cloud Linux 3 : 0136: cloud-kernel bugfix, enhancement and (ALINUX3-SA-2023:0136)
14 May 202500:00
–nessus
Tenable Nessus		AlmaLinux 8 : kernel (ALSA-2023:7549)
3 Dec 202300:00
–nessus
Tenable Nessus		AlmaLinux 8 : kpatch-patch (ALSA-2023:7554)
3 Dec 202300:00
–nessus
Tenable Nessus		AlmaLinux 9 : kpatch-patch (ALSA-2024:0340)
26 Jan 202400:00
–nessus
Tenable Nessus		CBL Mariner 2.0 Security Update: kernel (CVE-2023-3812)
31 Aug 202300:00
–nessus
Tenable Nessus		MiracleLinux 8 : kernel-4.18.0-513.9.1.el8_9 (AXSA:2024-7403:01)
20 Jan 202600:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.2ppc64lekpatch-patch-5_14_0-284_11_11-6.el9_2kpatch-patch-5_14_0-284_11_1-1-6.el9_2.ppc64le.rpm
Red Hat Enterprise Linux9.2x86_64kpatch-patch-5_14_0-284_11_11-6.el9_2kpatch-patch-5_14_0-284_11_1-1-6.el9_2.x86_64.rpm
Red Hat Enterprise Linux9.2ppc64lekpatch-patch-5_14_0-284_11_1-debuginfo1-6.el9_2kpatch-patch-5_14_0-284_11_1-debuginfo-1-6.el9_2.ppc64le.rpm
Red Hat Enterprise Linux9.2x86_64kpatch-patch-5_14_0-284_11_1-debuginfo1-6.el9_2kpatch-patch-5_14_0-284_11_1-debuginfo-1-6.el9_2.x86_64.rpm
Red Hat Enterprise Linux9.2ppc64lekpatch-patch-5_14_0-284_11_1-debugsource1-6.el9_2kpatch-patch-5_14_0-284_11_1-debugsource-1-6.el9_2.ppc64le.rpm
Red Hat Enterprise Linux9.2x86_64kpatch-patch-5_14_0-284_11_1-debugsource1-6.el9_2kpatch-patch-5_14_0-284_11_1-debugsource-1-6.el9_2.x86_64.rpm
Red Hat Enterprise Linux9.2ppc64lekpatch-patch-5_14_0-284_18_11-5.el9_2kpatch-patch-5_14_0-284_18_1-1-5.el9_2.ppc64le.rpm
Red Hat Enterprise Linux9.2x86_64kpatch-patch-5_14_0-284_18_11-5.el9_2kpatch-patch-5_14_0-284_18_1-1-5.el9_2.x86_64.rpm
Red Hat Enterprise Linux9.2ppc64lekpatch-patch-5_14_0-284_18_1-debuginfo1-5.el9_2kpatch-patch-5_14_0-284_18_1-debuginfo-1-5.el9_2.ppc64le.rpm
Red Hat Enterprise Linux9.2x86_64kpatch-patch-5_14_0-284_18_1-debuginfo1-5.el9_2kpatch-patch-5_14_0-284_18_1-debuginfo-1-5.el9_2.x86_64.rpm
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28 Jun 2026 12:41Current
6.7Medium risk
Vulners AI Score6.7
CVSS 3.17.8
EPSS0.00344
SSVC
CWE-787
tun tap driverout of boundsoversized packetsprivilege escalationpacket fragmentation
8