Linux kernel Heap Buffer Overflow DoS

The vulnerability of the ipmrcanfreetable function in Linux kernel relates to insufficient validation of input data. Exploiting this vulnerability can allow a remote attacker to cause service failures...

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

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-2025-25807

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.14.0 Description A vulnerability has been resolved in the Linux kernel. The issue was reported by Guoyu Yin, who found a splat in the ipmr netns cleanup path. The vulnerability is related to the ipmr can free...

CVE-2025-38032: Undefined Security Weakness

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...

Linux Kernel Security Vulnerabilities

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 not properly checking ipmrcanfreetable, which could result in a null pointer dereference...

Linux Distros Unpatched Vulnerability : CVE-2025-21719

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: ipmr: do not call mrmfcusesdev for unres entries syzbot found that calling mrmfcusesdev for...

CVE-2025-21719 ipmr: do not call mr_mfc_uses_dev() for unres entries

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...

CVE-2025-21719: Out-of-bounds Read

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...

PT-2025-8802

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to the version that includes the fix for the issue described Description A vulnerability in the Linux kernel has been identified, where calling mr mfc uses dev for unres entries would cause a crash due to aliasing o...

EulerOS 2.0 SP12 : kernel (EulerOS-SA-2024-2544)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : bpf, skmsg: Fix NULL pointer dereference in skpsockskbingressenqueueCVE-2024-36938 bpf, sockmap: Prevent lock inversion deadlock in map delete...

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...

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...

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...

CVE-2022-48810

In CVE-2022-48810, the Linux kernel fixes a RTNL lock handling issue in IPv4/IPv6 multicast code: ipmr and ip6mr_free_table() could be called on the failure path without proper RTNL protection. The patch ensures RTNL is held before freeing mroute tables, preventing an assertion failure observed i...

CVE-2022-48810: Improper Locking

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...

CVE-2024-26626

In the Linux kernel, the following vulnerability has been resolved: ipmr: fix kernel panic when forwarding mcast packets The stacktrace was: 86.305548 BUG: kernel NULL pointer dereference, address: 0000000000000092 86.306815 PF: supervisor read access in kernel mode 86.307717 PF: errorcode0x0000 ...

CVE-2024-26626

In the Linux kernel, the following vulnerability has been resolved: ipmr: fix kernel panic when forwarding mcast packets The stacktrace was: 86.305548 BUG: kernel NULL pointer dereference, address: 0000000000000092 86.306815 PF: supervisor read access in kernel mode 86.307717 PF: errorcode0x0000 ...

UBUNTU-CVE-2024-26626

In the Linux kernel, the following vulnerability has been resolved: ipmr: fix kernel panic when forwarding mcast packets The stacktrace was: 86.305548 BUG: kernel NULL pointer dereference, address: 0000000000000092 86.306815 PF: supervisor read access in kernel mode 86.307717 PF: errorcode0x0000 ...

CVE-2024-26626

In the Linux kernel, the following vulnerability has been resolved: ipmr: fix kernel panic when forwarding mcast packets The stacktrace was: 86.305548 BUG: kernel NULL pointer dereference, address: 0000000000000092 86.306815 PF: supervisor read access in kernel mode 86.307717 PF: errorcode0x0000 ...