Linux Distros Unpatched Vulnerability : CVE-2026-64091

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - batman-adv: tt: fix TOCTOU race for reported vlans The local TT based TVLV is generated by first checking the number of VLANs which have at least one TT entry. ...

RHEL 7 : kernel (RHSA-2026:41235)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:41235 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: net: sched: actcsum: validate...

foreman: Foreman: Information disclosure via improper validation of nested request parameters

A flaw was found in Foreman. An authenticated user with host-edit permissions could exploit a cross-tenant information disclosure vulnerability. This flaw occurs because the taxonomyscope controller method does not properly validate organization and location IDs from nested request parameters,...

foreman: Foreman: Information disclosure via improper validation of nested request parameters

A flaw was found in Foreman. An authenticated user with host-edit permissions could exploit a cross-tenant information disclosure vulnerability. This flaw occurs because the taxonomyscope controller method does not properly validate organization and location IDs from nested request parameters,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Networks: Bridge: MST: Fixed suspicious RCU usage in brmstsetstate. I converted brmstsetstate to RCU to avoid a vlan use-after-free, but I forgot to change the vlangroupdereferencehelper. I switched to using the...

CVE-2026-46433

A flaw was found in lldpd, an implementation of IEEE 802.1ab LLDP. A remote attacker on the adjacent network can send specially crafted Ethernet frames with 802.1Q VLAN Virtual Local Area Network tags. This can cause a 4-byte heap buffer over-read, leading to a denial of service DoS due to an...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ip6mr: Fixed skbunderpanic in ip6mrcachereport. skbuff: skbunderpanic: Text: fffffffff88771f69; Len: 56; Put: -4; Head: ffffff88c5f86a800; Data: fffff887f5f86a850; Tail: 0x88; End: 0x2c0; Device: pim6reg. ----------- Cut here...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: bridge: Fixed a null pointer dereference in the vlan tunnel destination. This patch addresses a issue where a null pointer dereference occurred due to lockless access in the tunnel egress path. When deleting a vlan tunnel, t...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: In the net: dsa section, there is a fix for dereferencing a NULL pointer in dsaportresetvlanfiltering. The “ds” iterator variable used in dsaportresetvlanfiltering overwrites the “dp” parameter received as an argument, which is...

CVE-2026-43100

CVE-2026-43100 covers a Linux kernel bridge issue where, if CONFIG_BRIDGE_VLAN_FILTERING is not set, br_vlan_group() and nbp_vlan_group() may return NULL and the code path in br_fdb_delete_locals_per_vlan_port() / br_fdb_insert_locals_per_vlan_port() dereferences a NULL vlan group pointer. Connec...

PT-2026-37410

In the Linux kernel, the following vulnerability has been resolved: bridge: guard local VLAN-0 FDB helpers against NULL vlan group When CONFIG BRIDGE VLAN FILTERING is not set, br vlan group and nbp vlan group return NULL br private.h stub definitions. The BR BOOLOPT FDB LOCAL VLAN 0 toggle code ...

SUSE CVE-2026-31684

In the Linux kernel, the following vulnerability has been resolved: net: sched: actcsum: validate nested VLAN headers tcfcsumact walks nested VLAN headers directly from skb-data when an skb still carries in-payload VLAN tags. The current code reads vlan-hvlanencapsulatedproto and then pulls...

EUVD-2026-25674

A vulnerability has been found in Datacom DM4100 1.3.6.1.4.1.3709. Affected by this issue is some unknown functionality of the component VLAN Page. Such manipulation of the argument VLAN Name leads to cross site scripting. The attack may be performed from remote. The exploit has been disclosed to...

UBUNTU-CVE-2026-31394

In the Linux kernel, the following vulnerability has been resolved: mac80211: fix crash in ieee80211chanbwchange for APVLAN stations ieee80211chanbwchange iterates all stations and accesses link-reserved.oper via sta-sdata-linklinkid. For stations on APVLAN interfaces e.g. 4addr WDS clients,...

CVE-2026-31394 mac80211: fix crash in ieee80211_chan_bw_change for AP_VLAN stations

In the Linux kernel, the following vulnerability has been resolved: mac80211: fix crash in ieee80211chanbwchange for APVLAN stations ieee80211chanbwchange iterates all stations and accesses link-reserved.oper via sta-sdata-linklinkid. For stations on APVLAN interfaces e.g. 4addr WDS clients,...

bpf/bonding: reject vlan+srcmac xmit_hash_policy change when XDP is loaded

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CVE-2026-25071 XikeStor SKS8310-8X switch_config.src Missing Authentication

XikeStor SKS8310-8X Network Switch firmware versions 1.04.B07 and prior contain a missing authentication vulnerability in the /switchconfig.src endpoint that allows unauthenticated remote attackers to download device configuration files. Attackers can access this endpoint without credentials to...

ROS-20260127-73-0001

A vulnerability in the vlan component of the Linux operating system kernel is related to thread blocking errors. Exploitation of the vulnerability could allow an attacker to cause a denial of service...

SUSE CVE-2026-23001

In the Linux kernel, the following vulnerability has been resolved: macvlan: fix possible UAF in macvlanforwardsource Add RCU protection on struct macvlansourceentry-vlan. Whenever macvlanhashdelsource is called, we must clear entry-vlan pointer before RCU grace period starts. This allows...

CVE-2026-23003

In the Linux kernel, the following vulnerability has been resolved: ip6tunnel: use skbvlaninetprepare in ip6tnlrcv Blamed commit did not take care of VLAN encapsulations as spotted by syzbot 1. Use skbvlaninetprepare instead of pskbinetmaypull. 1 BUG: KMSAN: uninit-value in INETECNdecapsulate...