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...

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...

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...

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 a possible memory leak due to a duplicate call to the ipv6mcdown function when IPv6 is enabled and disabled ...

SUSE CVE-2022-48785

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: use rcu-safe version of ipv6getlladdr Some time ago 8965779d2c0e "ipv6,mcast: always hold idev-lock before mcalock" switched ipv6getlladdr to ipv6getlladdr, which is rcu-unsafe version. That was OK, because idev-lock...

DEBIAN-CVE-2022-48785

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: use rcu-safe version of ipv6getlladdr Some time ago 8965779d2c0e "ipv6,mcast: always hold idev-lock before mcalock" switched ipv6getlladdr to ipv6getlladdr, which is rcu-unsafe version. That was OK, because idev-lock...

UBUNTU-CVE-2022-48810

In the Linux kernel, the following vulnerability has been resolved: ipmr,ip6mr: acquire RTNL before calling ip6mrfreetable on failure path ip6mrfreetable can only be called under RTNL lock. RTNL: assertion failed at net/core/dev.c 10367 WARNING: CPU: 1 PID: 5890 at net/core/dev.c:10367...

UBUNTU-CVE-2022-48785

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: use rcu-safe version of ipv6getlladdr Some time ago 8965779d2c0e "ipv6,mcast: always hold idev-lock before mcalock" switched ipv6getlladdr to ipv6getlladdr, which is rcu-unsafe version. That was OK, because idev-lock...

SUSE CVE-2024-27390

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: remove one synchronizenet barrier in ipv6mcdown As discussed in the past commit 2d3916f31891 "ipv6: fix skb drops in igmp6eventquery and igmp6eventreport" I think the synchronizenet call in ipv6mcdown is not needed...

UBUNTU-CVE-2024-27390

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: remove one synchronizenet barrier in ipv6mcdown As discussed in the past commit 2d3916f31891 "ipv6: fix skb drops in igmp6eventquery and igmp6eventreport" I think the synchronizenet call in ipv6mcdown is not needed...

CVE-2024-27390

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: remove one synchronizenet barrier in ipv6mcdown As discussed in the past commit 2d3916f31891 "ipv6: fix skb drops in igmp6eventquery and igmp6eventreport" I think the synchronizenet call in ipv6mcdown is not needed...

SUSE CVE-2024-26631

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: fix data-race in ipv6mcdown / mldifcwork idev-mcifccount can be written over without proper locking. Originally found by syzbot 1, fix this issue by encapsulating calls to mldifcstopwork and mldgqstopwork for good...

DEBIAN-CVE-2024-26631

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: fix data-race in ipv6mcdown / mldifcwork idev-mcifccount can be written over without proper locking. Originally found by syzbot 1, fix this issue by encapsulating calls to mldifcstopwork and mldgqstopwork for good...

UBUNTU-CVE-2024-26631

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: fix data-race in ipv6mcdown / mldifcwork idev-mcifccount can be written over without proper locking. Originally found by syzbot 1, fix this issue by encapsulating calls to mldifcstopwork and mldgqstopwork for good...

CVE-2024-26631 ipv6: mcast: fix data-race in ipv6_mc_down / mld_ifc_work

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: fix data-race in ipv6mcdown / mldifcwork idev-mcifccount can be written over without proper locking. Originally found by syzbot 1, fix this issue by encapsulating calls to mldifcstopwork and mldgqstopwork for good...

Race condition

A vulnerability in the Multicast Leaf Recycle Elimination mLRE feature of Cisco IOS XE Software for Cisco ASR 1000 Series Aggregation Services Routers could allow an unauthenticated, remote attacker to cause the affected device to reload, resulting in a denial of service DoS condition. This...

CVE-2023-20187

A vulnerability in the Multicast Leaf Recycle Elimination mLRE feature of Cisco IOS XE Software for Cisco ASR 1000 Series Aggregation Services Routers could allow an unauthenticated, remote attacker to cause the affected device to reload, resulting in a denial of service DoS condition. This...

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...

Memory corruption

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

CVE-2022-25740 Buffer Copy Without Checking Size of Input in MODEM

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