CVE-2025-39852

In the Linux kernel, the following vulnerability has been resolved: net/tcp: Fix socket memory leak in TCP-AO failure handling for IPv6 When tcpaocopyallmatching fails in tcpv6synrecvsock it just exits the function. This ends up causing a memory-leak: unreferenced object 0xffff0000281a8200 size...

OESA-2025-2310 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: net/tls: fix kernel panic when allocpage failed We cannot set fraglist to NULL pointer when allocpage failed. It will be used in tlsstrpcheckqueueok when the nex...

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 Linux kernel that stems from improper handling of TCP-AO failures, which could lead to a memory leak in IPv6 sockets...

UBUNTU-CVE-2025-59691

PureVPN client applications on Linux through September 2025 allow IPv6 traffic to leak outside the VPN tunnel upon network events such as Wi-Fi reconnect or system resume. In the CLI client, the VPN auto-reconnects and claims to be connected, but IPv6 traffic is no longer routed or blocked. In th...

CVE-2025-59691

PureVPN client applications on Linux through September 2025 allow IPv6 traffic to leak outside the VPN tunnel upon network events such as Wi-Fi reconnect or system resume. In the CLI client, the VPN auto-reconnects and claims to be connected, but IPv6 traffic is no longer routed or blocked. In th...

CVE-2025-59691

PureVPN client applications on Linux through September 2025 allow IPv6 traffic to leak outside the VPN tunnel upon network events such as Wi-Fi reconnect or system resume. In the CLI client, the VPN auto-reconnects and claims to be connected, but IPv6 traffic is no longer routed or blocked. In th...

SUSE CVE-2023-53189

In the Linux kernel, the following vulnerability has been resolved: ipv6/addrconf: fix a potential refcount underflow for idev Now in addrconfmodrstimer, reference idev depends on whether rstimer is not pending. Then modify rstimer timeout. There is a time gap in 1, during which if the pending...

SUSE CVE-2023-53343

In the Linux kernel, the following vulnerability has been resolved: icmp6: Fix null-ptr-deref of ip6nullentry-rt6iidev in icmp6dev. With some IPv6 Ext Hdr RPL, SRv6, etc., we can send a packet that has the link-local address as src and dst IP and will be forwarded to an external IP in the IPv6 Ex...

CVE-2023-53365

In the Linux kernel, the following vulnerability has been resolved: ip6mr: Fix skbunderpanic in ip6mrcachereport skbuff: skbunderpanic: text:ffffffff88771f69 len:56 put:-4 head:ffff88805f86a800 data:ffff887f5f86a850 tail:0x88 end:0x2c0 dev:pim6reg ------------ cut here ------------ kernel BUG at...

CVE-2023-53365

In the Linux kernel, the following vulnerability has been resolved: ip6mr: Fix skbunderpanic in ip6mrcachereport skbuff: skbunderpanic: text:ffffffff88771f69 len:56 put:-4 head:ffff88805f86a800 data:ffff887f5f86a850 tail:0x88 end:0x2c0 dev:pim6reg ------------ cut here ------------ kernel BUG at...

DEBIAN-CVE-2023-53343

In the Linux kernel, the following vulnerability has been resolved: icmp6: Fix null-ptr-deref of ip6nullentry-rt6iidev in icmp6dev. With some IPv6 Ext Hdr RPL, SRv6, etc., we can send a packet that has the link-local address as src and dst IP and will be forwarded to an external IP in the IPv6 Ex...

UBUNTU-CVE-2023-53343

In the Linux kernel, the following vulnerability has been resolved: icmp6: Fix null-ptr-deref of ip6nullentry-rt6iidev in icmp6dev. With some IPv6 Ext Hdr RPL, SRv6, etc., we can send a packet that has the link-local address as src and dst IP and will be forwarded to an external IP in the IPv6 Ex...

UBUNTU-CVE-2023-53365

In the Linux kernel, the following vulnerability has been resolved: ip6mr: Fix skbunderpanic in ip6mrcachereport skbuff: skbunderpanic: text:ffffffff88771f69 len:56 put:-4 head:ffff88805f86a800 data:ffff887f5f86a850 tail:0x88 end:0x2c0 dev:pim6reg ------------ cut here ------------ kernel BUG at...

USN-7755-1: Linux kernel vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Media drivers; - SPI subsystem; - USB core drivers; - NILFS2 file system; - IPv6 networking; - Network traffic...

CVE-2023-53365 ip6mr: Fix skb_under_panic in ip6mr_cache_report()

In the Linux kernel, the following vulnerability has been resolved: ip6mr: Fix skbunderpanic in ip6mrcachereport skbuff: skbunderpanic: text:ffffffff88771f69 len:56 put:-4 head:ffff88805f86a800 data:ffff887f5f86a850 tail:0x88 end:0x2c0 dev:pim6reg ------------ cut here ------------ kernel BUG at...

CVE-2023-53343 icmp6: Fix null-ptr-deref of ip6_null_entry->rt6i_idev in icmp6_dev().

In the Linux kernel, the following vulnerability has been resolved: icmp6: Fix null-ptr-deref of ip6nullentry-rt6iidev in icmp6dev. With some IPv6 Ext Hdr RPL, SRv6, etc., we can send a packet that has the link-local address as src and dst IP and will be forwarded to an external IP in the IPv6 Ex...

CVE-2023-53343

CVE-2023-53343: Linux kernel vulnerability where icmp6_dev() dereferences ip6_null_entry->rt6i_idev, potentially enabling NULL pointer dereference when processing IPv6 Extension Headers (RPL/SRv6). Impact is local (AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H) with available mitigation by upgrading to ...

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 skbunderpanic issue in the ip6mrcachereport function, which could cause the kernel to crash...

SUSE CVE-2022-50310

In the Linux kernel, the following vulnerability has been resolved: ip6mr: fix UAF issue in ip6mrskdone when addrconfinitnet failed If the initialization fails in calling addrconfinitnet, devconfall is the pointer that has been released. Then ip6mrskdone is called to release the net, accessing...

CVE-2025-39812

In the Linux kernel, the following vulnerability has been resolved: sctp: initialize more fields in sctpv6fromsk syzbot found that sin6scopeid was not properly initialized, leading to undefined behavior. Clear sin6scopeid and sin6flowinfo. BUG: KMSAN: uninit-value in sctpv6cmpaddr+0x887/0x8c0...