PT-2026-79635

Name of the Vulnerable Software and Affected Versions Linux kernel version 7.2-rc3 Description A use-after-free issue exists in the IPv6 implementation where the in6 dev get function reads dev-ip6 ptr under RCU Read-Copy-Update and unconditionally increments its reference count. During device...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ipv6: ioam: fixed potential NULL dereferencing in ioam6fillTraceData. We need to check in6devget for a possible NULL value, as suggested by Yiming Qian. Also, add skbdstdevrcu instead of skbdstdev, and two missing READONCE calls...

CVE-2026-43101

In the Linux kernel, the following vulnerability has been resolved: ipv6: ioam: fix potential NULL dereferences in ioam6filltracedata We need to check in6devget for possible NULL value, as suggested by Yiming Qian. Also add skbdstdevrcu instead of skbdstdev, and two missing READONCE. Note that @d...

CVE-2026-43101

In the Linux kernel, the following vulnerability has been resolved: ipv6: ioam: fix potential NULL dereferences in ioam6filltracedata We need to check in6devget for possible NULL value, as suggested by Yiming Qian. Also add skbdstdevrcu instead of skbdstdev, and two missing READONCE. Note that @d...

CVE-2026-43101 ipv6: ioam: fix potential NULL dereferences in __ioam6_fill_trace_data()

In the Linux kernel, the following vulnerability has been resolved: ipv6: ioam: fix potential NULL dereferences in ioam6filltracedata We need to check in6devget for possible NULL value, as suggested by Yiming Qian. Also add skbdstdevrcu instead of skbdstdev, and two missing READONCE. Note that @d...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-992166)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992166 advisory. In the Linux kernel, the following vulnerability has been resolved: ipv6/addrconf: fix a potential refcount underflow for idev Now in addrconfmodrstimer, reference...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-381332)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-381332 advisory. In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent possible NULL dereference in rt6probe syzbot caught a NULL dereference in rt6probe ...

CVE-2022-49048: Undefined Security Weakness

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...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ipv6: prevented possible NULL dereference in rt6probe syzbot detected a NULL dereference in rt6probe 1 Escape if in6devget returns NULL. 1 Oops: general protection fault, likely due to an invalid address 0xdffffc00000000cb: 00...

GSD-2022-1002157 ipv6: fix panic when forwarding a pkt with no in6 dev

ipv6: fix panic when forwarding a pkt with no in6 dev This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.4.190 by commit...