kernel: ndisc: use RCU protection in ndisc_alloc_skb()

A vulnerability was found in the Linux kernel's IPv6 Neighbor Discovery NDISC subsystem, which manages network neighbor information. The issue arises from improper synchronization mechanisms when allocating socket buffers skbuff in the ndiscallocskb function. Specifically, the function can be...

kernel: ndisc: use RCU protection in ndisc_alloc_skb()

A vulnerability was found in the Linux kernel's IPv6 Neighbor Discovery NDISC subsystem, which manages network neighbor information. The issue arises from improper synchronization mechanisms when allocating socket buffers skbuff in the ndiscallocskb function. Specifically, the function can be...

DEBIAN-CVE-2025-22111

In the Linux kernel, the following vulnerability has been resolved: net: Remove RTNL dance for SIOCBRADDIF and SIOCBRDELIF. SIOCBRDELIF is passed to devioctl first and later forwarded to brioctlcall, which causes unnecessary RTNL dance and the splat below 0 under RTNL pressure. Let's say Thread A...

UBUNTU-CVE-2025-21812

In the Linux kernel, the following vulnerability has been resolved: ax25: rcu protect dev-ax25ptr syzbot found a lockdep issue 1. We should remove ax25 RTNL dependency in ax25setsockopt This should also fix a variety of possible UAF in ax25. 1 WARNING: possible circular locking dependency detecte...

PT-2025-9003

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.13.0-rc3 Description A potential issue has been identified in the Linux kernel related to the ax25 protocol. The problem arises from a possible circular locking dependency detected between rtnl mutex and sk...

SUSE CVE-2024-50304

In the Linux kernel, the following vulnerability has been resolved: ipv4: iptunnel: Fix suspicious RCU usage warning in iptunnelfind The per-netns IP tunnel hash table is protected by the RTNL mutex and iptunnelfind is only called from the control path where the mutex is taken. Add a lockdep...

kernel: net/sched: act_api: fix possible infinite loop in tcf_idr_check_alloc()

A vulnerability was found in the Linux kernel's networking subsystem in the actapi implementation within the tcfidrcheckalloc function, which lead to a possible infinite loop when multiple actions with the same index are added, causing the second request to block indefinitely while holding the...

OESA-2024-1707 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix use-after-free of encap entry in neigh update handler Function mlx5erepneighupdate wasn't updated to accommodate rtnl lock removal from TC filter...

Ubuntu: Security Advisory (USN-3006-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2016 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

USN-3006-1: Linux kernel vulnerabilities

Justin Yackoski discovered that the Atheros L2 Ethernet Driver in the Linux kernel incorrectly enables scatter/gather I/O. A remote attacker could use this to obtain potentially sensitive information from kernel memory. CVE-2016-2117 Jann Horn discovered that eCryptfs improperly attempted to use...

USN-3005-1: Linux kernel (Xenial HWE) vulnerabilities

Justin Yackoski discovered that the Atheros L2 Ethernet Driver in the Linux kernel incorrectly enables scatter/gather I/O. A remote attacker could use this to obtain potentially sensitive information from kernel memory. CVE-2016-2117 Jann Horn discovered that eCryptfs improperly attempted to use...

USN-3003-1: Linux kernel vulnerabilities

Justin Yackoski discovered that the Atheros L2 Ethernet Driver in the Linux kernel incorrectly enables scatter/gather I/O. A remote attacker could use this to obtain potentially sensitive information from kernel memory. CVE-2016-2117 Jann Horn discovered that eCryptfs improperly attempted to use...

USN-3000-1: Linux kernel (Utopic HWE) vulnerabilities

Justin Yackoski discovered that the Atheros L2 Ethernet Driver in the Linux kernel incorrectly enables scatter/gather I/O. A remote attacker could use this to obtain potentially sensitive information from kernel memory. CVE-2016-2117 Jann Horn discovered that eCryptfs improperly attempted to use...

USN-2998-1: Linux kernel (Trusty HWE) vulnerabilities

Justin Yackoski discovered that the Atheros L2 Ethernet Driver in the Linux kernel incorrectly enables scatter/gather I/O. A remote attacker could use this to obtain potentially sensitive information from kernel memory. CVE-2016-2117 Jann Horn discovered that eCryptfs improperly attempted to use...

Ubuntu 14.04 LTS : Linux kernel (Utopic HWE) vulnerabilities (USN-3000-1)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3000-1 advisory. Justin Yackoski discovered that the Atheros L2 Ethernet Driver in the Linux kernel incorrectly enables scatter/gather I/O. A remote attacker could use th...

Ubuntu 14.04 LTS : Linux kernel (Wily HWE) vulnerabilities (USN-3002-1)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3002-1 advisory. Justin Yackoski discovered that the Atheros L2 Ethernet Driver in the Linux kernel incorrectly enables scatter/gather I/O. A remote attacker could use th...

Ubuntu 12.04 LTS : linux-lts-trusty vulnerabilities (USN-2998-1)

Justin Yackoski discovered that the Atheros L2 Ethernet Driver in the Linux kernel incorrectly enables scatter/gather I/O. A remote attacker could use this to obtain potentially sensitive information from kernel memory. CVE-2016-2117 Jann Horn discovered that eCryptfs improperly attempted to use...

Ubuntu 14.04 LTS : Linux kernel (Xenial HWE) vulnerabilities (USN-3005-1)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3005-1 advisory. Justin Yackoski discovered that the Atheros L2 Ethernet Driver in the Linux kernel incorrectly enables scatter/gather I/O. A remote attacker could use th...

Ubuntu 16.04 LTS : Linux kernel (Raspberry Pi 2) vulnerabilities (USN-3007-1)

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3007-1 advisory. Justin Yackoski discovered that the Atheros L2 Ethernet Driver in the Linux kernel incorrectly enables scatter/gather I/O. A remote attacker could use th...

Ubuntu 15.10 : linux-raspi2 vulnerabilities (USN-3004-1)

Justin Yackoski discovered that the Atheros L2 Ethernet Driver in the Linux kernel incorrectly enables scatter/gather I/O. A remote attacker could use this to obtain potentially sensitive information from kernel memory. CVE-2016-2117 Jann Horn discovered that eCryptfs improperly attempted to use...