Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098981)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098981 advisory. In the Linux kernel, the following vulnerability has been resolved: xfrm: clear trailing padding in buildpolexpire buildexpire clears the trailing padding bytes of...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: mptcp: pm: fixed the UaF read in mptcppmnlrmaddrorsubflow Syzkaller reported this issue as follows: ================================================================== BUG: KASAN: slab-use-after-free in...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: fixed the global out-of-bounds read in ksmbdnlpolicy. Similar to the reported issue see commit b33fb5b801c6 “net: qualcomm: rmnet: fixed global out-of-bounds in rmnetpolicy”, my local fuzzer discovered another global...

Astra Linux – Vulnerability in Linux

In the Linux kernel up to version 5.8.7, local attackers who were able to inject conntrack netlink configurations could exploit an overflow in a local buffer, resulting in crashes or triggering the use of incorrect protocol numbers in ctnetlinkparsetuplefilter in net/netfilter/nfconntracknetlink....

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: netlink: afnetlink: Added a check on the len parameter to prevent empty skb objects. This prevents a division error in the netemenqueue function, which occurs when skb-len=0 and skb-datalen=0 during the randomized corruption...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: rejecting negative ifindex values Recent changes in net-next commit 759ab1edb56c refactored the handling of pre-assigned ifindex values. This led to a latent issue in ovs. ovs does not validate ifindex values,...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: The netlink notifier might race to release objects. The commit release path is invoked via callrcu, and it runs without locking to release the objects after the rcu grace period. The netlink notifier handler...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: netlink: fixed a potential deadlock in netlinkseterr syzbot reported a possible deadlock in netlinkseterr 1 A similar issue was fixed in commit 1d482e666b8e "netlink: disabling IRQs for netlinklocktable" in netlinklocktable Th...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fixed the nested key length validation in the set action. It is not safe to access nlalenovskey if the data is smaller than the netlink header. Ensure that the attribute is valid first...

Astra Linux – Vulnerability in Linux

A issue was discovered in the Linux kernel before version 5.8. The lib/nlattr.c file allows attackers to cause a denial of service unbounded recursion through a nested Netlink policy with a back reference...

Astra Linux – Vulnerability in Linux, Linux 5.10

There is a bug in /net/nfc/netlink.c that allows an attacker to crash the Linux kernel by simulating an NFC device from user-space...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: xsk: Fixed an use-after-free error during socket cleanup. A use-after-free error can occur if the xskdiag interface is used after the socket has been unbound from the device. This can happen either due to the socket being closed ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ethtool: Do not perform operations on net devices that are not yet registered. There is a short period between when a net device starts to be unregistered and when it is actually gone. During that time frame, ethtool operations c...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: sched: actconnmark: Initialize struct tcife to prevent kernel leaks. In tcfconnmarkdump, the variable ‘opt’ was partially initialized using a specified initializer. As a result, the padding bytes remained uninitialized. The...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: netlink: added nla be16/32 types to the minlen array BUGs: KMSAN: uninit-value in nlavalidaterangeunsigned, lib/nlattr.c:222 inline BUGs: KMSAN: uninit-value in nlavalidateintrange, lib/nlattr.c:336 inline BUGs: KMSAN:...

Astra Linux – Vulnerability in OpenVSwitch

A flaw was discovered in Open vSwitch, where multiple versions are vulnerable to crafted Geneve packets, which may lead to a denial of service and invalid memory accesses. Triggering this issue requires that hardware offloading via the netlink path is enabled...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: nbd: The function genlunregisterfamily is called first in nbdcleanup. Otherwise, there may be a race between the removal of the module and the handling of the netlink command, which can lead to an oops as shown below: BUG: Kernel...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

A issue was discovered in the Linux kernel before version 6.0.11. Missing offset validation in the drivers/net/wireless/microchip/wilc1000/hif.c file, within the WILC1000 wireless driver, can lead to an out-of-bounds read when parsing a Robust Security Network RSN information element from a Netli...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: vdpa: Added the featuresattr attribute to vdpanlpolicy for checking the nlattr length. The vdpanlpolicy structure is used to validate the nlattr when parsing incoming nlmsg. It ensures that the described attribute produces a vali...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: The flow rule object is released from the commit path. There is no need to delay this process until the commit release path, as no packets traverse this object at all. This object is only accessed from the...