CVE-2026-52940

In the Linux kernel, the following vulnerability has been resolved: tun: zero the whole vnet header in tunputuser tunputuser declares an on-stack struct virtionethdrv1hashtunnel without zeroing it. For a non-tunnel skb, virtionethdrtnlfromskb only initializes the first 10 bytes sizeofstruct...

CVE-2026-52940 tun: zero the whole vnet header in tun_put_user()

In the Linux kernel, the following vulnerability has been resolved: tun: zero the whole vnet header in tunputuser tunputuser declares an on-stack struct virtionethdrv1hashtunnel without zeroing it. For a non-tunnel skb, virtionethdrtnlfromskb only initializes the first 10 bytes sizeofstruct...

CVE-2026-52940

In the Linux kernel, the following vulnerability has been resolved: tun: zero the whole vnet header in tunputuser tunputuser declares an on-stack struct virtionethdrv1hashtunnel without zeroing it. For a non-tunnel skb, virtionethdrtnlfromskb only initializes the first 10 bytes sizeofstruct...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: - Do not allow gsosize to be set to GSOBYFRAGS. - A missing check in virtionethdrtoskb allowed syzbot to crash kernels again. Do not allow gsosize to be set to GSOBYFRAGS 0xffff, because this magic value is used by the kernel....

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-013327)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013327 advisory. In the Linux kernel, the following vulnerability has been resolved: net: do not allow gsosize to be set to GSOBYFRAGS One missing check in virtionethdrtoskb allowed...

CVE-2026-31405

In the Linux kernel, the following vulnerability has been resolved: media: dvb-net: fix OOB access in ULE extension header tables The ulemandatoryexthandlers and uleoptionalexthandlers tables in handleoneuleextension are declared with 255 elements valid indices 0-254, but the index htype is deriv...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-005577)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005577 advisory. In the Linux kernel, the following vulnerability has been resolved: net: avoid potential underflow in qdiscpktleninit with UFO After commit 7c6d2ecbda83 net: be mor...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-005558)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005558 advisory. In the Linux kernel, the following vulnerability has been resolved: net: add more sanity checks to qdiscpktleninit One path takes care of SKBGSODODGY, assuming skb-l...

SUSE CVE-2023-54051

In the Linux kernel, the following vulnerability has been resolved: net: do not allow gsosize to be set to GSOBYFRAGS One missing check in virtionethdrtoskb allowed syzbot to crash kernels again 1 Do not allow gsosize to be set to GSOBYFRAGS 0xffff, because this magic value is used by the kernel....

Linux Distros Unpatched Vulnerability : CVE-2023-54051

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: do not allow gsosize to be set to GSOBYFRAGS One missing check in virtionethdrtoskb allowed syzbot to crash kernels again 1 Do not allow gsosize to be set ...

CVE-2023-54051

CVE-2023-54051: In the Linux kernel, a missing check in virtio_net_hdr_to_skb() allowed gso_size to be set to GSO_BY_FRAGS (0xffff), which is a kernel magic value. This could lead to a general protection fault/NULL dereference in GSO/UDP offload paths (e.g., udp6_ufo_fragment, ipv6_gso_segment, s...

CVE-2023-54051 net: do not allow gso_size to be set to GSO_BY_FRAGS

In the Linux kernel, the following vulnerability has been resolved: net: do not allow gsosize to be set to GSOBYFRAGS One missing check in virtionethdrtoskb allowed syzbot to crash kernels again 1 Do not allow gsosize to be set to GSOBYFRAGS 0xffff, because this magic value is used by the kernel....

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: In the net subsystem, there is a issue where packets with the type UFO are dropped in the udprcvSegment function. When sending a packet with the virtionethdr structure to a tun device, if the gsotype field in the virtionethdr...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-410269)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-410269 advisory. In the Linux kernel, the following vulnerability has been resolved: net: add more sanity checks to qdiscpktleninit One path takes care of SKBGSODODGY, assuming skb-l...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-381554)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-381554 advisory. In the Linux kernel, the following vulnerability has been resolved: net: avoid potential underflow in qdiscpktleninit with UFO After commit 7c6d2ecbda83 net: be mor...

EUVD-2022-55342

Malicious code in bioql PyPI...

SUSE CVE-2023-53439

In the Linux kernel, the following vulnerability has been resolved: net: skbpartialcsumset fix against transport header magic value skb-transportheader uses the special 0xFFFF value to mark if the transport header was set or not. We must prevent callers to accidentaly set skb-transportheader to...

CVE-2023-53439 net: skb_partial_csum_set() fix against transport header magic value

In the Linux kernel, the following vulnerability has been resolved: net: skbpartialcsumset fix against transport header magic value skb-transportheader uses the special 0xFFFF value to mark if the transport header was set or not. We must prevent callers to accidentaly set skb-transportheader to...

AZL-73617 CVE-2025-38622 affecting package kernel for versions less than 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: net: drop UFO packets in udprcvsegment When sending a packet with virtionethdr to tun device, if the gsotype in virtionethdr is SKBGSOUDP and the gsosize is less than udphdr size, below crash may happen. ------------ cut here...

CVE-2025-38622

In the Linux kernel, the following vulnerability has been resolved: net: drop UFO packets in udprcvsegment When sending a packet with virtionethdr to tun device, if the gsotype in virtionethdr is SKBGSOUDP and the gsosize is less than udphdr size, below crash may happen. ------------ cut here...