CVE-2026-43244

A flaw was found in the Linux kernel's Kernel Connection Multiplexer KCM module. A local user could trigger an issue where, during partial sendmsg operations, an empty network buffer skb is incorrectly left in the fraglist. A subsequent zero-length write operation can then cause a kernel warning,...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-005131)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005131 advisory. In the Linux kernel, the following vulnerability has been resolved: ppp: fix pppasyncencode illegal access syzbot reported an issue in pppasyncencode 1 In this case,...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989314)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989314 advisory. In the Linux kernel, the following vulnerability has been resolved: net: netlink: afnetlink: Prevent empty skb by adding a check on len. Adding a check on len...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-986402)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986402 advisory. In the Linux kernel, the following vulnerability has been resolved: net: netlink: afnetlink: Prevent empty skb by adding a check on len. Adding a check on len...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-986582)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986582 advisory. In the Linux kernel, the following vulnerability has been resolved: net: netlink: afnetlink: Prevent empty skb by adding a check on len. Adding a check on len...

DEBIAN-CVE-2023-53141

In the Linux kernel, the following vulnerability has been resolved: ila: do not generate empty messages in ilaxlatnlcmdgetmapping ilaxlatnlcmdgetmapping generates an empty skb, triggerring a recent sanity check 1. Instead, return an error code, so that user space can get it. 1 skbassertlen WARNIN...

UBUNTU-CVE-2024-50035

In the Linux kernel, the following vulnerability has been resolved: ppp: fix pppasyncencode illegal access syzbot reported an issue in pppasyncencode 1 In this case, pppoesendmsg is called with a zero size. Then pppasyncencode is called with an empty skb. BUG: KMSAN: uninit-value in pppasyncencod...

UBUNTU-CVE-2021-47606

In the Linux kernel, the following vulnerability has been resolved: net: netlink: afnetlink: Prevent empty skb by adding a check on len. Adding a check on len parameter to avoid empty skb. This prevents a division error in netemenqueue function which is caused when skb-len=0 and skb-datalen=0 in...