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25 January 2026

Vulnerabilities first published on this day (UTC), newest first.

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All Critical High Medium Low Exploited only Public exploit

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  • High 7.8
    CVE-2026-23010 Public exploit

    ipv6: Fix use-after-free in inet6_addr_del().

    In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix use-after-free in inet6_addr_del(). syzbot reported use-after-free of inet6_ifaddr in inet6_addr_del(). [0] The cited commit accidentally moved ipv6_del_addr() for mngtmpaddr before…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2026-23004 Public exploit

    dst: fix races in rt6_uncached_list_del() and rt_del_uncached_list()

    In the Linux kernel, the following vulnerability has been resolved: dst: fix races in rt6_uncached_list_del() and rt_del_uncached_list() syzbot was able to crash the kernel in rt6_uncached_list_flush_dev() in an interesting way [1] Crash happens in list_del_i…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.5
    CVE-2026-23003 Public exploit

    ip6_tunnel: use skb_vlan_inet_prepare() in __ip6_tnl_rcv()

    In the Linux kernel, the following vulnerability has been resolved: ip6_tunnel: use skb_vlan_inet_prepare() in __ip6_tnl_rcv() Blamed commit did not take care of VLAN encapsulations as spotted by syzbot [1]. Use skb_vlan_inet_prepare() instead of pskb_inet_ma…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2026-23001 Public exploit

    macvlan: fix possible UAF in macvlan_forward_source()

    In the Linux kernel, the following vulnerability has been resolved: macvlan: fix possible UAF in macvlan_forward_source() Add RCU protection on (struct macvlan_source_entry)->vlan. Whenever macvlan_hash_del_source() is called, we must clear entry->vlan pointe…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux