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 handling the rt6iidev pointer to ip6nullentry, which could result in a null pointer dereference...

UBUNTU-CVE-2025-38550

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: Delay put pmc-idev in mlddeldelrec pmc-idev is still used in ip6mcclearsrc, so as mldcleardelrec does, the reference should be put after ip6mcclearsrc return...

MAL-2025-12041 Malicious code in @zalastax/nolb-ip6 (npm)

The package @zalastax/nolb-ip6 was found to contain malicious code...

Malicious code in @zalastax/nolb-ip6 (npm)

The package @zalastax/nolb-ip6 was found to contain malicious code...

CVE-2018-9389

In ip6appenddata of ip6output.c, there is a possible way to achieve code execution due to a heap buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation...

Improper Validation of Specified Quantity in Input

Overview Affected versions of this package are vulnerable to Improper Validation of Specified Quantity in Input in the flowspec parser in bgp.go. An attacker can cause an application crash by sending fewer than 20 bytes as ECSUBTYPEFLOWSPECREDIRECTIP6 data. Details Denial of Service DoS describes...

kernel: ipv6: fib6_rules: avoid possible NULL dereference in fib6_rule_action()

In the Linux kernel, the following vulnerability has been resolved: ipv6: fib6rules: avoid possible NULL dereference in fib6ruleaction syzbot is able to trigger the following crash 1, caused by unsafe ip6dstidev use. Indeed ip6dstidev can return NULL, and must always be checked. 1 Oops: general...

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...

DEBIAN-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...

UBUNTU-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...

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...

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 a signed integer overflow in the ip6appenddata function...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ipv6: prevented NULL dereference in ip6output According to syzbot, there is a possibility that ip6dstidev returns NULL in ip6output. Most parts of the IPv6 stack handle a NULL idev fine, but not this case. syzbot reported: Genera...

PT-2025-8877

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability in the Linux kernel has been resolved. The issue is related to the function ip6 default advmss, which requires RCU protection to prevent the net structure it reads from...

PT-2025-1339 · Google · Android

Name of the Vulnerable Software and Affected Versions: No specific software or versions are mentioned. Description: In the ip6 append data function of ip6 output.c, there is a possible way to achieve code execution due to a heap buffer overflow. This could lead to a local privilege escalation...

Security update for the Linux Kernel (Live Patch 17 for SLE 15 SP5)

This update for the Linux Kernel 5.14.21-1505005573 fixes several issues. The following security issues were fixed: CVE-2024-50264: vsock/virtio: Initialization of the dangling pointer occurring in vsk-trans bsc1233712. CVE-2022-48956: ipv6: avoid use-after-free in ip6fragment bsc1232637...

Security update for the Linux Kernel (Live Patch 25 for SLE 15 SP4)

This update for the Linux Kernel 5.14.21-15040024116 fixes several issues. The following security issues were fixed: CVE-2024-50264: vsock/virtio: Initialization of the dangling pointer occurring in vsk-trans bsc1233712. CVE-2022-48956: ipv6: avoid use-after-free in ip6fragment bsc1232637...

UBUNTU-CVE-2024-56751

In the Linux kernel, the following vulnerability has been resolved: ipv6: release nexthop on device removal The CI is hitting some aperiodic hangup at device removal time in the pmtu.sh self-test: unregisternetdevice: waiting for vethA-R1 to become free. Usage count = 6 reftracker:...

Security update for the Linux Kernel (Live Patch 47 for SLE 15 SP2)

This update for the Linux Kernel 5.3.18-15020024188 fixes several issues. The following security issues were fixed: CVE-2024-35861: Fixed potential UAF in cifssignalcifsdforreconnect bsc1225312. CVE-2021-47291: ipv6: fix another slab-out-of-bounds in fib6nhflushexceptions bsc1227651...