Astra Linux – vulnerability in linux-5.10, linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: Fix use-after-free when processing MLD queries When processing an MLD query, a pointer to the multicast group address is retrieved during initial packet parsing. This pointer is later dereferenced without being...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: virtio-net: fixed the len check in receivebig. receivebig limits the device-announced length by bigpacketsnumskbfrags + 1 PAGESIZE. This still results in an insufficient limit. addrecvbufbig sets sg1 to start at offset sizeofstru...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Net: Bridge: mcast: Fixed an issue where a use-after-free occurred with the multicast context of a master VLAN. The brmulticasttoggleonevlan function clears the BRVLFLAGMCASTENABLED flag under the br-multicastlock before...

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

In the Linux kernel, the following vulnerabilities have been resolved: net: rds: Fixed the issue with MR cleanup when a copy error occurred. The function rdsrdmamap assigns ownership of sg/pages to the transport after getmr succeeds. If copying the generated cookie back to user space fails after...

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: ipv6: Use RCU protection in ip6defaultadvmss. ip6defaultadvmss requires RCU protection to ensure that the network structure it reads does not disappear...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Net: Bridge – Reject descending VLAN tunnel ranges A pair of descending VLAN and tunnel IDs can pass the tunnel range span check. The VLAN subtraction produces a negative integer, which is converted to an unsigned value when...

Astra Linux – vulnerability in linux-5.10, linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: virtio-net: ensure the received length does not exceed allocated size In xdplinearizepage, when reading the following buffers from the ring, we forget to check the received length against the actual allocated size. This can lead ...

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: A bug was fixed regarding a skb leak during the flow key update process. The ovsctexecute function always steals or frees the skb upon failure, whereas ovsflowkeyupdate does not do this. Therefore, if the functi...

Astra Linux – Vulnerability in golang-golang-x-net

golang.org/x/net before v0.0.0-20210520170846-37e1c6afe023 allows attackers to cause a denial of service infinite loop by using crafted ParseFragment inputs...

Astra Linux – Vulnerability in golang-golang-x-net, golang-1.15

In Go, before versions 1.15.12 and 1.16.x, and before version 1.16.4, net/http allowed remote attackers to cause a denial of service panic through a large header sent to ReadRequest or ReadResponse. This issue can affect the Server, Transport, and Client components in certain configurations...

Astra Linux – vulnerability in golang-golang-x-net

Go’s net/http versions prior to 1.16.12 and 1.17.x prior to 1.17.5 allow uncontrolled memory consumption in the header canonicalization cache via HTTP/2 requests...

Astra Linux – vulnerability in linux, linux-5.10

In the Linux kernel prior to version 5.17.1, a refcount leak bug was found in net/llc/afllc.c...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: usb: asix: validate PHY address before use The ASIX driver reads the PHY address from the USB device via asixreadphyaddr. A malicious or faulty device may return an invalid address = PHYMAXADDR, which causes a warning in...

Astra Linux – Vulnerability in Linux

A issue was discovered in netfilter within the Linux kernel before version 5.10. There may be a use-after-free situation in the packet processing context, as the per-CPU sequence count is mishandled during concurrent iptables rule replacements. This vulnerability could be exploited with the...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: sched: flower: Protect flwalk with rcu. The patch that refactored flwalk to use idrforeachentrycontinueul also removed the rcu protection for individual filters. This caused a use-after-free when the filter was deleted...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: xfrm: unexport init-annotated xfrm4protocolinit EXPORTSYMBOL and init are a poor combination, as the .init.text section is freed after initialization. As a result, modules cannot use symbols annotated with init. Accessing a...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net/smc: Fixed a possible leak of the pernet namespace in smcinit. In smcinit, registerpernetsubsys&smcnetstatops is called without any error handling. If this call fails, the registration of &smcnetops will not be reversed. And ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net/sched: fixed the lockdep issue in qdisctreereducebacklog The qdisctreereducebacklog function is called with the qdisc lock held; this issue was not addressed in the previous version. We must use qdisclookuprcu instead of...

Astra Linux – Vulnerability in libcommons-net-java

Prior to Apache Commons Net 3.9.0, Net’s FTP client trusted the host based on the PASV response by default. A malicious server could redirect the Commons Net code to use a different host, but the user had to connect to the malicious server in the first place. This could result in the leakage of...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net/sched: taprio: avoid disabling offload when it was never enabled In a rather strange API design decision, qdisc-destroy is called even if qdisc-init never succeeded. This isn’t exclusive to the commit 87b60cfacf9f “netsched:...