CVE-2025-21758 ipv6: mcast: add RCU protection to mld_newpack()

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: add RCU protection to mldnewpack mldnewpack can be called without RTNL or RCU being held. Note that we no longer can use sockallocsendskb because ipv6.igmpsk uses GFPKERNEL allocations which can sleep. Instead use...

DEBIAN-CVE-2025-21719

In the Linux kernel, the following vulnerability has been resolved: ipmr: do not call mrmfcusesdev for unres entries syzbot found that calling mrmfcusesdev for unres entries would crash 1, because c-mfcun.res.minvif / c-mfcun.res.maxvif alias to "struct skbuffhead unresolved", which contain two...

UBUNTU-CVE-2025-21719

In the Linux kernel, the following vulnerability has been resolved: ipmr: do not call mrmfcusesdev for unres entries syzbot found that calling mrmfcusesdev for unres entries would crash 1, because c-mfcun.res.minvif / c-mfcun.res.maxvif alias to "struct skbuffhead unresolved", which contain two...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from ipmr's call to mrmfcusesdev on an unparsed entry...

CVE-2022-49590

In the Linux kernel, the following vulnerability has been resolved: igmp: Fix data-races around sysctligmpllmreports. While reading sysctligmpllmreports, it can be changed concurrently. Thus, we need to add READONCE to its readers. This test can be packed into a helper, so such changes will be in...

UBUNTU-CVE-2022-49590

In the Linux kernel, the following vulnerability has been resolved: igmp: Fix data-races around sysctligmpllmreports. While reading sysctligmpllmreports, it can be changed concurrently. Thus, we need to add READONCE to its readers. This test can be packed into a helper, so such changes will be in...

DEBIAN-CVE-2022-49197

In the Linux kernel, the following vulnerability has been resolved: afnetlink: Fix shift out of bounds in group mask calculation When a netlink message is received, netlinkrecvmsg fills in the address of the sender. One of the fields is the 32-bit bitfield nlgroups, which carries the multicast...

CVE-2022-49197

In the Linux kernel, the following vulnerability has been resolved: afnetlink: Fix shift out of bounds in group mask calculation When a netlink message is received, netlinkrecvmsg fills in the address of the sender. One of the fields is the 32-bit bitfield nlgroups, which carries the multicast...

CVE-2022-49197

In the Linux kernel, the following vulnerability has been resolved: afnetlink: Fix shift out of bounds in group mask calculation When a netlink message is received, netlinkrecvmsg fills in the address of the sender. One of the fields is the 32-bit bitfield nlgroups, which carries the multicast...

CVE-2022-49197 af_netlink: Fix shift out of bounds in group mask calculation

In the Linux kernel, the following vulnerability has been resolved: afnetlink: Fix shift out of bounds in group mask calculation When a netlink message is received, netlinkrecvmsg fills in the address of the sender. One of the fields is the 32-bit bitfield nlgroups, which carries the multicast...

CVE-2022-49197 af_netlink: Fix shift out of bounds in group mask calculation

In the Linux kernel, the following vulnerability has been resolved: afnetlink: Fix shift out of bounds in group mask calculation When a netlink message is received, netlinkrecvmsg fills in the address of the sender. One of the fields is the 32-bit bitfield nlgroups, which carries the multicast...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: Fixed an unsafe loop on the list. The kernel may crash when deleting a genetlink family if there are still listeners for that family: Oops: Kernel access to a corrupted area, sig: 11 1 … NIP c000000000c080bc...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Net: Bridge: mcast: Wait for previous GC cycles when removing a port The syzbot encountered a use-after-free issue1. This issue occurs because the bridge does not ensure that all previous garbage collection cycles are completed...

CVE-2022-25740

Memory corruption in modem due to buffer overwrite while building an IPv6 multicast address based on the MAC address of the iface...

CVE-2022-23382

Shenzhen Hichip Vision Technology IP Camera Firmware V11.4.8.1.1-20170926 has a denial of service vulnerability through sending a crafted multicast message in a local network...

CVE-2024-20304

A vulnerability in the multicast traceroute version 2 Mtrace2 feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to exhaust the UDP packet memory of an affected device. This vulnerability exists because the Mtrace2 code does not properly handle packet memory. An...

CVE-2024-20303

A vulnerability in the multicast DNS mDNS gateway feature of Cisco IOS XE Software for Wireless LAN Controllers WLCs could allow an unauthenticated, adjacent attacker to cause a denial of service DoS condition. This vulnerability is due to improper management of mDNS client entries. An attacker...

SUSE-SU-2025:20047-1 Security update for the Linux Kernel

The SUSE Linux Enterprise Micro 6.0 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2023-52489: mm/sparsemem: fix race in accessing memorysection-usage bsc1221326. - CVE-2023-52581: netfilter: nftables: fix memleak when more than 255...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2022-36280: Fixed out-of-bounds memory access vulnerability found in vmwgfx driver bsc1203332. CVE-2022-48742: rtnetlink: make sure to refresh masterdev/mops in...

The vulnerability of the Reliable Multicast Transport Driver (RMCAST) for Windows operating systems allows a hacker to execute arbitrary code.

The vulnerability of the Reliable Multicast Transport Driver RMCAST for Windows operating systems is related to the use of memory after it is freed. Exploiting this vulnerability could allow a remote attacker to execute arbitrary code...