Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: ipv4: Fix memory leak in ipmcadd1src BUG: Memory leak Unreferenced object: 0xffff888101bc4c00 size 32 Command: “syz-executor527”, PID 360, jiffies 4294807421 age 19.329 seconds Hex dump first 32 bytes: 00 00 00 00 00 00 00 0...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: bridge: switchdev: Skip MDB replays of deferred events on offload Before this change, the generation of the list of MDB events to replay competed with the creation of new group memberhips, either through the IGMP/MLD snoopin...

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

In the Linux kernel, the following vulnerabilities have been resolved: - In the net subsystem, for USB devices, the disruptive netifwakequeue function in rtl8150setmulticast has been removed. - The syzbot tool reported a WARNING in the rtl8150startxmit/usbsubmiturb function. The sequence of event...

CVE-2026-74480

A flaw was found in the Linux kernel's network bridge module. When handling multicast fast-leave, a vulnerability exists where the system may attempt to access a port group after it has been deleted. This can occur if multicast-to-unicast was previously enabled and then disabled, leading to a sta...

CVE-2026-76166

A flaw was found in modcluster's AdvertiseListenerImpl org.jboss.modcluster core module. A single crafted UDP multicast datagram with a valid HTTP status line and a "Server:" header but without the "Date:", "Digest:", and "Sequence:" headers triggers a NullPointerException in verifyDigest that is...

EUVD-2026-62367

A flaw was found in modcluster's AdvertiseListenerImpl org.jboss.modcluster core module. A single crafted UDP multicast datagram with a valid HTTP status line and a "Server:" header but without the "Date:", "Digest:", and "Sequence:" headers triggers a NullPointerException in verifyDigest that is...

CVE-2026-76166

CVE-2026-76166 is an unauthenticated denial-of-service vulnerability in mod_cluster 's AdvertiseListenerImpl (org.jboss.modcluster core module). A single crafted UDP multicast datagram containing a valid HTTP status line and a Server: header but missing the Date:, Digest:, and Sequence: headers t...

CVE-2026-76166 Modcluster-core: mod_cluster advertise listener: unauthenticated dos via crafted multicast datagram

A flaw was found in modcluster's AdvertiseListenerImpl org.jboss.modcluster core module. A single crafted UDP multicast datagram with a valid HTTP status line and a "Server:" header but without the "Date:", "Digest:", and "Sequence:" headers triggers a NullPointerException in verifyDigest that is...

CVE-2026-76166

A flaw was found in modcluster's AdvertiseListenerImpl org.jboss.modcluster core module. A single crafted UDP multicast datagram with a valid HTTP status line and a "Server:" header but without the "Date:", "Digest:", and "Sequence:" headers triggers a NullPointerException in verifyDigest that is...

PT-2026-78324

Name of the Vulnerable Software and Affected Versions mod cluster affected versions not specified Description A flaw exists in the AdvertiseListenerImpl of the org.jboss.modcluster core module. An unauthenticated attacker can cause a denial of service by sending a single crafted UDP multicast...

CVE-2026-72322

A flaw was found in the Linux kernel's IPv6 multicast mcast component. A race condition exists during the teardown of a network device and the processing of incoming Multicast Listener Discovery MLD queries. This can lead to a Use-After-Free UAF vulnerability, where memory is accessed after it ha...

Linux Distros Unpatched Vulnerability : CVE-2026-72227

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - batman-adv: mcast: avoid OOB read of numdests header Before the access to struct batadvtvlvmcasttracker's numdests, it is attempted to check whether enough spac...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-100713)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100713 advisory. In the Linux kernel, the following vulnerability has been resolved: 6lowpan: fix off-by-one in multicast context address compression The second memcpy in...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-099691)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-099691 advisory. In the Linux kernel, the following vulnerability has been resolved: ipv4: igmp: remove multicast group from hash table on device destruction When a device is destroy...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-100494)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100494 advisory. In the Linux kernel, the following vulnerability has been resolved: ipv4: igmp: remove multicast group from hash table on device destruction When a device is destroy...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-100556)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100556 advisory. In the Linux kernel, the following vulnerability has been resolved: ixgbevf: fix use-after-free in VEPA multicast source pruning ixgbevfcleanrxirq prunes frames who...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-100563)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100563 advisory. In the Linux kernel, the following vulnerability has been resolved: xfrm: route MIGRATE notifications to caller's netns xfrmsendmigrate in net/xfrm/xfrmuser.c and...

SUSE CVE-2026-74480

In the Linux kernel, the following vulnerability has been resolved: net: bridge: stop fast-leave after deleting a port group brmulticastleavegroup iterates mp-ports with pp = &p-next in its fast-leave path. After brmulticastdelpg removes p, continuing the loop advances pp through the deleted entr...

CVE-2026-74480

In the Linux kernel, the following vulnerability has been resolved: net: bridge: stop fast-leave after deleting a port group brmulticastleavegroup iterates mp-ports with pp = &p-next in its fast-leave path. After brmulticastdelpg removes p, continuing the loop advances pp through the deleted entr...

AZL-96423 CVE-2026-74480 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: net: bridge: stop fast-leave after deleting a port group brmulticastleavegroup iterates mp-ports with pp = &p-next in its fast-leave path. After brmulticastdelpg removes p, continuing the loop advances pp through the deleted entr...