Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: Bonding: Fix for missing rcu protection. When removing the rcureadlock from bondethtoolgettsinfo, I didn’t realize that it could also be called via setsockopt, which does not hold a rcu lock. As pointed out by syzbot: Stack trace...

Astra Linux - уязвимость в linux-5.15

In the Linux kernel, the following vulnerabilities have been resolved: macsec: Fixed the UAF bug related to realdev. A new macsec device was created, but there was no reference to realdev. This does not ensure that realdev is freed after the macsec device is removed. This will trigger the UAF bug...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006677)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006677 advisory. In the Linux kernel, the following vulnerability has been resolved: macsec: fix UAF bug for realdev Create a new macsec device but not get reference to realdev. That...

LSN-0117-1: Kernel Live Patch Security Notice

In the Linux kernel, the following vulnerability has been resolved: e100: Fix possible use after free in e100xmitprepare In e100xmitprepare, if we can't map the skb, then return -ENOMEM, so e100xmitframe will return NETDEVTXBUSY and the upper layer will resend the skb. In the Linux kernel, the...

OESA-2025-2082 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: blk-mq: don't touch -tagset in blkmqgetsqhctx blkmqrunhwqueues could be run when there isn't queued request and after queue is cleaned up, at that time tagset is...

SUSE CVE-2022-49390

In the Linux kernel, the following vulnerability has been resolved: macsec: fix UAF bug for realdev Create a new macsec device but not get reference to realdev. That can not ensure that realdev is freed after macsec. That will trigger the UAF bug for realdev as following:...

SUSE CVE-2022-49456

In the Linux kernel, the following vulnerability has been resolved: bonding: fix missed rcu protection When removing the rcureadlock in bondethtoolgettsinfo as discussed 1, I didn't notice it could be called via setsockopt, which doesn't hold rcu lock, as syzbot pointed: stack backtrace: CPU: 0...

DEBIAN-CVE-2022-49456

In the Linux kernel, the following vulnerability has been resolved: bonding: fix missed rcu protection When removing the rcureadlock in bondethtoolgettsinfo as discussed 1, I didn't notice it could be called via setsockopt, which doesn't hold rcu lock, as syzbot pointed: stack backtrace: CPU: 0...

DEBIAN-CVE-2022-49390

In the Linux kernel, the following vulnerability has been resolved: macsec: fix UAF bug for realdev Create a new macsec device but not get reference to realdev. That can not ensure that realdev is freed after macsec. That will trigger the UAF bug for realdev as following:...

UBUNTU-CVE-2022-49390

In the Linux kernel, the following vulnerability has been resolved: macsec: fix UAF bug for realdev Create a new macsec device but not get reference to realdev. That can not ensure that realdev is freed after macsec. That will trigger the UAF bug for realdev as following:...

kernel: bonding: fix xfrm real_dev null pointer dereference

In the Linux kernel, the following vulnerability has been resolved: bonding: fix xfrm realdev null pointer dereference We shouldn't set realdev to NULL because packets can be in transit and xfrm might call xdodevoffloadok in parallel. All callbacks assume realdev is set. Example trace: kernel: BU...

bonding: fix xfrm real_dev null pointer dereference

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SUSE CVE-2024-44989

In the Linux kernel, the following vulnerability has been resolved: bonding: fix xfrm realdev null pointer dereference We shouldn't set realdev to NULL because packets can be in transit and xfrm might call xdodevoffloadok in parallel. All callbacks assume realdev is set. Example trace: kernel: BU...

AZL-48765 CVE-2024-44989 affecting package kernel for versions less than 5.15.167.1-1

In the Linux kernel, the following vulnerability has been resolved: bonding: fix xfrm realdev null pointer dereference We shouldn't set realdev to NULL because packets can be in transit and xfrm might call xdodevoffloadok in parallel. All callbacks assume realdev is set. Example trace: kernel: BU...

UBUNTU-CVE-2024-44989

In the Linux kernel, the following vulnerability has been resolved: bonding: fix xfrm realdev null pointer dereference We shouldn't set realdev to NULL because packets can be in transit and xfrm might call xdodevoffloadok in parallel. All callbacks assume realdev is set. Example trace: kernel: BU...

SUSE CVE-2021-47555

In the Linux kernel, the following vulnerability has been resolved: net: vlan: fix underflow for the realdev refcnt Inject error before devholdrealdev in registervlandev, and execute the following testcase: ip link add dev dummy1 type dummy ip link add name dummy1.100 link dummy1 type vlan id 100...

DEBIAN-CVE-2021-47555

In the Linux kernel, the following vulnerability has been resolved: net: vlan: fix underflow for the realdev refcnt Inject error before devholdrealdev in registervlandev, and execute the following testcase: ip link add dev dummy1 type dummy ip link add name dummy1.100 link dummy1 type vlan id 100...

Linux kernel 安全漏洞

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 an underflow problem with realdev refcnt...

PT-2025-8324

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free bug has been identified in the Linux kernel's macsec module. This issue occurs when a new macsec device is created without obtaining a reference to the real device,...