CVE-2025-25609

The CVE-2025-25609 entry concerns TOTOLINK A3002R firmware V1.1.1-B20200824.0128. The root cause is a buffer overflow in the /bin/boa component caused by improper input validation of the static_ipv6 parameter in the formIpv6Setup interface. Public documentation in CNVD/Red Hat/EUVD/CIRCL referenc...

USN-7294-2 linux-aws, linux-oracle, linux-oracle-5.4 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: - ARM64 architecture; - Block layer subsystem; - ACPI drivers; - Drivers core; - ATA over ethernet AOE driver; - TPM...

DEBIAN-CVE-2025-21768

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: fix dst ref loops in rpl, seg6 and ioam6 lwtunnels Some lwtunnels have a dst cache for post-transformation dst. If the packet destination did not change we may end up recording a reference to the lwtunnel in its own...

AZL-62544 CVE-2025-21768 affecting package kernel 6.6.126.1-1

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: fix dst ref loops in rpl, seg6 and ioam6 lwtunnels Some lwtunnels have a dst cache for post-transformation dst. If the packet destination did not change we may end up recording a reference to the lwtunnel in its own...

DEBIAN-CVE-2025-21765

In the Linux kernel, the following vulnerability has been resolved: ipv6: use RCU protection in ip6defaultadvmss ip6defaultadvmss needs rcu protection to make sure the net structure it reads does not disappear...

DEBIAN-CVE-2025-21758

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-2025-21757

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

AZL-59064 CVE-2025-21759 affecting package kernel for versions less than 6.6.82.1-1

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: extend RCU protection in igmp6send igmp6send can be called without RTNL or RCU being held. Extend RCU protection so that we can safely fetch the net pointer and avoid a potential UAF. Note that we no longer can use...

CVE-2025-21758

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...

DEBIAN-CVE-2025-21759

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: extend RCU protection in igmp6send igmp6send can be called without RTNL or RCU being held. Extend RCU protection so that we can safely fetch the net pointer and avoid a potential UAF. Note that we no longer can use...

UBUNTU-CVE-2025-21758

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...

UBUNTU-CVE-2025-21759

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: extend RCU protection in igmp6send igmp6send can be called without RTNL or RCU being held. Extend RCU protection so that we can safely fetch the net pointer and avoid a potential UAF. Note that we no longer can use...

SUSE CVE-2022-49048

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix panic when forwarding a pkt with no in6 dev kongweibin reported a kernel panic in ip6forward when input interface has no in6 dev associated. The following tc commands were used to reproduce this panic: tc qdisc del dev...

SUSE CVE-2022-49153

In the Linux kernel, the following vulnerability has been resolved: wireguard: socket: free skb in send6 when ipv6 is disabled I got a memory leak report: unreferenced object 0xffff8881191fc040 size 232: comm "kworker/u17:0", pid 23193, jiffies 4295238848 age 3464.870s hex dump first 32 bytes: 00...

SUSE CVE-2022-49339

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: unexport init-annotated seg6hmacinit EXPORTSYMBOL and init is a bad combination because the .init.text section is freed up after the initialization. Hence, modules cannot use symbols annotated init. The access to a fre...

SUSE CVE-2022-49727

In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix signed integer overflow in l2tpip6sendmsg When len = INTMAX - transhdrlen, ulen = len + transhdrlen will be overflow. To fix, we can follow what udpv6 does and subtract the transhdrlen from the max...

SUSE CVE-2022-49728

In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix signed integer overflow in ip6appenddata Resurrect ubsan overflow checks and ubsan report this warning, fix it by change the variable length type to sizet. UBSAN: signed-integer-overflow in net/ipv6/ip6output.c:1489:19...

CVE-2025-21768 net: ipv6: fix dst ref loops in rpl, seg6 and ioam6 lwtunnels

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: fix dst ref loops in rpl, seg6 and ioam6 lwtunnels Some lwtunnels have a dst cache for post-transformation dst. If the packet destination did not change we may end up recording a reference to the lwtunnel in its own...

CVE-2025-21768

Technical details for CVE-2025-21768 are not publicly provided in the supplied documents. Monitor for updates from the linked advisories and security feeds.

CVE-2025-21765

In the Linux kernel, the following vulnerability has been resolved: ipv6: use RCU protection in ip6defaultadvmss ip6defaultadvmss needs rcu protection to make sure the net structure it reads does not disappear...