kernel: ipv6: mcast: extend RCU protection in igmp6_send()

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: extend RCU protection in igmp6send igmp6send can be called without RTNL or RCU being held. Extend RCU protection so that we can safely fetch the net pointer and avoid a potential UAF. Note that we no longer can use...

AZL-70489 CVE-2025-38192 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: net: clear the dst when changing skb protocol A not-so-careful NAT46 BPF program can crash the kernel if it indiscriminately flips ingress packets from v4 to v6: BUG: kernel NULL pointer dereference, address: 0000000000000000...

AZL-64710 CVE-2025-38192 affecting package kernel for versions less than 6.6.96.1-1

In the Linux kernel, the following vulnerability has been resolved: net: clear the dst when changing skb protocol A not-so-careful NAT46 BPF program can crash the kernel if it indiscriminately flips ingress packets from v4 to v6: BUG: kernel NULL pointer dereference, address: 0000000000000000...

SUSE CVE-2025-38150

In the Linux kernel, the following vulnerability has been resolved: afpacket: move notifier's packetdevmc out of rcu critical section Syzkaller reports the following issue: BUG: sleeping function called from invalid context at kernel/locking/mutex.c:578 mutexlock+0x106/0xe80...

UBUNTU-CVE-2025-38150

In the Linux kernel, the following vulnerability has been resolved: afpacket: move notifier's packetdevmc out of rcu critical section Syzkaller reports the following issue: BUG: sleeping function called from invalid context at kernel/locking/mutex.c:578 mutexlock+0x106/0xe80...

CVE-2025-38121 wifi: iwlwifi: mld: avoid panic on init failure

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mld: avoid panic on init failure In case of an error during init, inhwrestart will be set, but it will never get cleared. Instead, we will retry to init again, and then we will act like we are in a restart when we...

SUSE CVE-2025-38032

In the Linux kernel, the following vulnerability has been resolved: mr: consolidate the ipmrcanfreetable checks. Guoyu Yin reported a splat in the ipmr netns cleanup path: WARNING: CPU: 2 PID: 14564 at net/ipv4/ipmr.c:440 ipmrfreetable net/ipv4/ipmr.c:440 inline WARNING: CPU: 2 PID: 14564 at...

PT-2025-28876

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The Linux kernel bridge component contains a flaw related to multicast router port configuration. Specifically, when per-VLAN multicast snooping is enabled or disabled, ports can be...

Centre Driven Controlled Evolution of Wireless Virtual Networks Based on Broadcast Tokens

In a wireless sensor network, the virtual connectivity between nodes is a function of the keys shared between various nodes. Pre-embedding these key configurations in the nodes would make the network inflexible. On the other hand, permitting subsets of nodes to engage in a common key synthesis...

UBUNTU-CVE-2025-38032

In the Linux kernel, the following vulnerability has been resolved: mr: consolidate the ipmrcanfreetable checks. Guoyu Yin reported a splat in the ipmr netns cleanup path: WARNING: CPU: 2 PID: 14564 at net/ipv4/ipmr.c:440 ipmrfreetable net/ipv4/ipmr.c:440 inline WARNING: CPU: 2 PID: 14564 at...

CVE-2025-38032 mr: consolidate the ipmr_can_free_table() checks.

In the Linux kernel, the following vulnerability has been resolved: mr: consolidate the ipmrcanfreetable checks. Guoyu Yin reported a splat in the ipmr netns cleanup path: WARNING: CPU: 2 PID: 14564 at net/ipv4/ipmr.c:440 ipmrfreetable net/ipv4/ipmr.c:440 inline WARNING: CPU: 2 PID: 14564 at...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: net: dsa: clean up FDB, MDB, and VLAN entries after unbinding. As explained in many places, such as commit b117e1e8a86d “net: dsa: delete dsalegacyfdbadd and dsalegacyfdbdel”, DSA is written under the assumption that higher layer...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: ipv6: mcast: added RCU protection to mldnewpack The mldnewpack function can be called without holding RTNL or RCU. It should be noted that we can no longer use sockallocsendskb, because ipv6.igmpsk relies on GFPKERNEL...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: ipv6: mcast: Extended RCU protection in igmp6send igmp6send can be called without RTNL or RCU being held. We have extended RCU protection so that we can safely retrieve the net pointer and avoid a potential UAF...

kernel: vlan: enforce underlying device type

In the Linux kernel, the following vulnerability has been resolved: vlan: enforce underlying device type Currently, VLAN devices can be created on top of non-ethernet devices. Besides the fact that it doesn't make much sense, this also causes a bug which leaks the address of a kernel function to...

PT-2025-27967

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A vulnerability in the Linux kernel can cause a kernel crash when a not-so-careful NAT46 BPF program indiscriminately flips ingress packets from IPv4 to IPv6. This issue occurs because...

CVE-2025-5688 Out of Bounds Write in FreeRTOS-Plus-TCP

We have identified a buffer overflow issue allowing out-of-bounds write when processing LLMNR or mDNS queries with very long DNS names. This issue only affects systems using Buffer Allocation Scheme 1 with LLMNR or mDNS enabled. Users should upgrade to the latest version and ensure any forked or...

multicast in source builds from vulnerable setuptools dependency

Impact Some source-builds may be impacted by a CWE-1395 eg. vulnerable setuptools dependency. Multicast prior to v2.0.9a3 on systems with minimal dependancies installed may use setuptools =80.4 Pre-release version v2.0.9a3 and later are recommended for improved stability over v2.0.9a0 Workarounds...

SUSE-SU-2025:20344-1 Security update for the Linux Kernel

The SUSE Linux Enterprise Micro 6.0 and 6.1 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2024-28956: x86/ibt: Keep IBT disabled during alternative patching bsc1242006. - CVE-2024-35840: mptcp: use OPTIONMPTCPMPJSYNACK in...

SUSE-SU-2025:20343-1 Security update for the Linux Kernel

The SUSE Linux Enterprise Micro 6.0 and 6.1 kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2024-28956: x86/ibt: Keep IBT disabled during alternative patching bsc1242006. - CVE-2024-35840: mptcp: use OPTIONMPTCPMPJSYNACK in subflowfinishconne...