Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2025-088 (ALASKERNEL-5.10-2025-088)

The version of kernel installed on the remote host is prior to 5.10.235-227.919. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.10-2025-088 advisory. In the Linux kernel, the following vulnerability has been resolved: macsec: fix UAF bug for realdev...

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

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

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 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

CVE-2025-21719 concerns the Linux kernel IPv4 multicast (ipmr) subsystem. The issue arises from calling mr_mfc_uses_dev() for unresolved (unres) mcast routes, which can crash because c->mfc_un.res.minvif and maxvif alias to a struct sk_buff_head that contains pointers. The vulnerability is roo...