Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Net: Bridge: VLAN: Fixed memory leak in allowedingress. When using per-VLAN state, if VLAN snooping and stats are disabled, untagged or priority-tagged ingress frames will go through the pVID state check. If the port state is...

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

In the Linux kernel, the following vulnerabilities have been resolved: vlan: Fixed a memory leak in vlannewlink. The responsible commit added back a bug that I fixed in commit 9bbd917e0bec “vlan: fixed a memory leak in vlandevsetegresspriority”. If a memory allocation fails in vlanchangelink afte...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net: dsa: ocelot: The function dsatag8021qunregister is called under rtnllock when removing a driver. When the currently used tagging protocol is “ocelot-8021q”, and we unbind the driver, we encounter this error: bash $ echo...

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

In the Linux kernel, the following vulnerabilities have been resolved: geneve: Fixed header validation in geneve6xmitskb. syzbot is able to trigger an uninit-value in genevexmit. Problem: While most IP tunnel helpers such as iptunnelgetdsfield use skbprotocolskb, true, pskbinetmaypull only uses...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net/smc: Fixed NULL pointer dereferencing in smcvlanbytcpsk. Coverity reports a possible NULL dereferencing issue: - In smcvlanbytcpsk: - 6. returnednull: netdevlowergetnext returns NULL checked 29 out of 30 times. - 7...

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: batman-adv: Avoid infinite loops when trying to resize the local TT. If the MTU of one of the attached interfaces becomes too small to transmit the local translation table, then it must be resized to fit within all fragments when...

CVE-2026-72229

A flaw was found in the batman-adv component of the Linux kernel. When a mesh interface is registered, an untagged VLAN object is created. If the network device netdev registration fails due to a veto, the cleanup process does not properly free this object. This can lead to a memory leak,...

CVE-2026-72229

In the Linux kernel, the following vulnerability has been resolved: batman-adv: clean untagged VLAN on netdev registration failure When an mesh interface is registered, it creates an untagged struct batadvmeshifvlan on top of it via the NETDEVREGISTER notifier. But in this process, another receiv...

CVE-2026-72229

In the Linux kernel, the following vulnerability has been resolved: batman-adv: clean untagged VLAN on netdev registration failure When an mesh interface is registered, it creates an untagged struct batadvmeshifvlan on top of it via the NETDEVREGISTER notifier. But in this process, another receiv...

UBUNTU-CVE-2026-72229

In the Linux kernel, the following vulnerability has been resolved: batman-adv: clean untagged VLAN on netdev registration failure When an mesh interface is registered, it creates an untagged struct batadvmeshifvlan on top of it via the NETDEVREGISTER notifier. But in this process, another receiv...

CVE-2026-72229 batman-adv: clean untagged VLAN on netdev registration failure

In the Linux kernel, the following vulnerability has been resolved: batman-adv: clean untagged VLAN on netdev registration failure When an mesh interface is registered, it creates an untagged struct batadvmeshifvlan on top of it via the NETDEVREGISTER notifier. But in this process, another receiv...

CVE-2026-72229 batman-adv: clean untagged VLAN on netdev registration failure

In the Linux kernel, the following vulnerability has been resolved: batman-adv: clean untagged VLAN on netdev registration failure When an mesh interface is registered, it creates an untagged struct batadvmeshifvlan on top of it via the NETDEVREGISTER notifier. But in this process, another receiv...

CVE-2026-72229

Summary: CVE-2026-72229 relates to the Linux kernel’s batman-adv handling of mesh interfaces. When registering a mesh interface, an untagged struct batadv_meshif_vlan is created on top of the netdev via NETDEV_REGISTER. If another notifier vetoes the registration, netdev registration is aborted a...

CVE-2026-72226 batman-adv: tt: prevent TVLV OOB check overflow

In the Linux kernel, the following vulnerability has been resolved: batman-adv: tt: prevent TVLV OOB check overflow A TT unicast TVLV contains the number of VLANs stored in it. This number is an u16 and gets multiplied by the size of the struct batadvtvlvttvlandata 8 bytes. The size can therefore...

CVE-2026-68405

A flaw was found in the Linux kernel's mac80211 Wi-Fi subsystem. When stopping an Access Point AP VLAN, the system attempts to free network packet buffers SKBs while interrupts are disabled. This improper handling can lead to a situation where network transmission operations occur in an...

CVE-2026-68301

A flaw was found in the Linux kernel's High-availability Seamless Redundancy HSR networking module. When an HSR slave device is unregistered, the system fails to properly remove synced Virtual Local Area Networks VLANs. This oversight causes the slave device to retain a reference count on these...

CVE-2026-68405

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: free APVLAN bcbuf SKBs outside IRQ lock ieee80211dostop removes APVLAN packets from the parent AP ps-bcbuf while holding ps-bcbuf.lock with IRQs disabled. It then calls ieee80211freetxskb before dropping the lock...

CVE-2026-68301

In the Linux kernel, the following vulnerability has been resolved: net: hsr: fix memory leak on slave unregistration by removing synced VLANs When an HSR master device is brought UP, it auto-adds VLAN 0 via vlanvid0add, which propagates VID 0 to its slave devices slave A and B. If a slave device...

UBUNTU-CVE-2026-68301

In the Linux kernel, the following vulnerability has been resolved: net: hsr: fix memory leak on slave unregistration by removing synced VLANs When an HSR master device is brought UP, it auto-adds VLAN 0 via vlanvid0add, which propagates VID 0 to its slave devices slave A and B. If a slave device...

CVE-2026-68405

CVE-2026-68405 (Linux kernel, wifi/mac80211) describes a bug where AP_VLAN bc_buf SKBs could be freed outside the IRQ lock. During ieee80211_do_stop(), AP_VLAN packets are removed from ps->bc_buf while ps->bc_buf.lock is held with IRQs disabled, then ieee80211_free_txskb() is called after r...