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

A use-after-free vulnerability exists in the Linux kernel’s net/sched:clsu32 component, which can be exploited to achieve local privilege escalation. When the u32change function is called on an existing filter, the entire tcfresult struct is always copied into the new instance of the filter. This...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15

Linux Kernel nftables Out-of-bounds Read/Write Vulnerability; nftbyteorder improperly handles the contents of VM registers when CAPNETADMIN is present in any user or network namespace...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15

A use-after-free vulnerability exists in the Linux kernel’s net/sched:clsfw component, which can be exploited to achieve local privilege escalation. When the fwchange function is called on an existing filter, the entire tcfresult struct is always copied into the new instance of the filter. This...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: Fixed a UAF issue in nfqnlnfhookDrop when opsinit fails. When the opsinit function is called to initialize the network, but ops-init fails, data is released. However, the pointer ptr in net-gen becomes invalid. In this...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: removed one synchronizenet call from ipv6mcdown. As discussed in previous discussions commit 2d3916f31891 “ipv6: fix skb drops in igmp6eventquery and igmp6eventreport”, the synchronizenet call in ipv6mcdown is not...

Astra Linux – Vulnerability in Qemu

A use-after-free vulnerability was discovered in the virtio-net device of QEMU. This vulnerability can occur when the address of the descriptor belongs to the non-direct access region, due to the numbuffers being set after the virtqueue elem has been unmapped. A malicious guest can exploit this...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Net: qcom/emac: fixed a UAF Use-after-Free issue in emacremove. “adpt” is netdev private data, and it cannot be used after the freenetdev call. Using “adpt” after freenetdev can cause a UAF bug. This issue was fixed by moving the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: virtionet: Do not send RSS commands if the feature is not available on the device. There is a bug when setting RSS options in virtionet that can cause the entire machine to become unstable, leading to an infinite loop in the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: sched: avoiding a race condition for qdiscresetalltxgt when dealing with lockless qdiscs When reducing the number of real TX queues, the netifsetrealnumtxqueues function calls qdiscresetalltxgt to flush the qdiscs for queues...

Astra Linux – Vulnerability in Linux

A issue was discovered in the Linux kernel versions 2.6.39 through 5.10.16, as used in Xen. The block, net, and SCSI backends consider certain errors as ordinary bugs, which are deliberately designed to cause kernel crashes. For errors that may be influenced by guests such as memory exhaustion...

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

A use-after-free vulnerability in the Linux kernel’s net/sched:clsRoute component can be exploited to achieve local privilege escalation. When the route4change function is called on an existing filter, the entire tcfresult struct is always copied into the new instance of the filter. This creates ...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: A limit was enforced to prevent the allocation of excessive memory. Daniel Xu reported that the hash:net,iface type of the ipset subsystem does not limit the addition of the same network with different interface...

Astra Linux – Vulnerability in Linux 5.15

A memory leak flaw was discovered in nftsetcatchallflush in net/netfilter/nftablesapi.c within the Linux Kernel. This issue may allow a local attacker to cause double-deactivation of catchall elements, which can lead to a memory leak...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15

A use-after-free vulnerability exists in the net/sched:clsfw component of the Linux kernel, which can be exploited to achieve local privilege escalation. If the tcfchangeindev function fails, fwsetparms will immediately return an error after incrementing or decrementing the reference counter in...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15

A use-after-free vulnerability exists in the Linux kernel’s net/sched:clsu32 component, which can be exploited to gain local privilege escalation. If the tcfchangeindev function fails, u32setparms will immediately return an error after incrementing or decrementing the reference counter in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mlxsw: spectrum: Protect the driver from buggy firmware When processing port up/down events generated by the device’s firmware, the driver attempts to protect itself from events reported for non-existent local ports. However, it...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15

A NULL pointer dereference flaw was discovered in the rawv6pushpendingframes function in net/ipv6/raw.c within the network subcomponent of the Linux kernel. This flaw can cause the system to crash...

Astra Linux – Vulnerability in net-snmp

Net-SNMP provides various tools related to the Simple Network Management Protocol. Prior to version 5.9.2, a user with read-write credentials could use an improperly formatted OID in a SET request to the nsVacmAccessTable, causing a NULL pointer derefrence. Version 5.9.2 includes a patch to addre...

Security Bulletin: IBM MQ .NET client is vulnerable to XML external entity injection (CVE-2026-12667)

Summary IBM MQ has addressed an XML external entity XXE vulnerability in the IBM MQ .NET client's RFH2 message parser Vulnerability Details CVEID:CVE-2026-12667 DESCRIPTION: IBM MQ could allow an authenticated attacker to read files from a vulnerable .NET client or cause limited denial of service...

Security Bulletin: IBM MQ .NET client is vulnerable to remote code execution (CVE-2026-11728)

Summary IBM MQ has addressed a heap buffer overflow vulnerability in the IBM MQ .NET client's asynchronous message receive handler Vulnerability Details CVEID:CVE-2026-11728 DESCRIPTION: IBM MQ .NET Client could allow a remote attacker to cause a denial of service or potentially execute arbitrary...