Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: netsched: Keep allochash updated after hash allocation. In commit 599be01ee567 “netsched: fix an OOB access in clstcindex”, I moved the cp-hash calculation before the first tcindexallocperfecthash call. However, cp-allochash...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/sched: schfq: fix integer overflow of “credit” If schfq is configured with “initial quantum” values greater than INTMAX, the first assignment of “credit” will cause signed integer overflow, resulting in a very negative value...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: tunnels: Annotations were added for lockless accesses to dev-neededheadroom. IP tunnels can apparently update dev-neededheadroom during their xmit path. This patch addresses issues related to three types of tunnels xmit, ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Networks: Ethernet: mtkppe: Avoid NULL dereferencing when gmac0 is disabled. If gmac0 is disabled, the precheck for a valid ingress device will cause a NULL pointer dereferencing, leading to a system crash. This occurs because...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: fixed information leakage in /proc/net/ptype In one net namespace, after creating a packet socket without binding it to a device, users in other net namespaces can observe the newly added packettype by reading the...

Astra Linux – Vulnerability in Linux 5.10, Linux

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:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: virtio-net: Added validation for the used length. This addition ensures that the used length is validated which may come from an untrusted device, to prevent data corruption or loss...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: net: lantiq – Fix for memory corruption in the RX ring. In situations where memory allocation or DMA mapping fails, an invalid address may be programmed into the descriptor. This can lead to memory corruption. If memory allocatio...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

A vulnerability was discovered in vhostnewmsg in drivers/vhost/vhost.c within the Linux kernel. This issue arises due to the improper initialization of memory in messages transmitted between virtual guests and the host operating system, as implemented in the vhostnewmsg function. This vulnerabili...

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 removed from the list of available devices. During...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fixed a use-after-free issue when reverting the termination table. When there are multiple destinations with termination tables, and the second one or later fails, the driver reverts the use of termination tables, but...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net/handshake: fixed null-ptr-deref in handshakenldonedoit We should not call tracehandshakecmddoneerr if the socket lookup fails. We should also call tracehandshakecmddoneerr before releasing the file; otherwise, dereferencin...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: net: sched: Fixed the use of “skb” after it is passed to qdiscenqueue. We cannot use “skb” again after passing it to qdiscenqueue. This is essentially identical to commit 2f09707d0c97 “schsfb: Also store skblen before calling chi...

Astra Linux – Vulnerability in Linux 5.10

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 5.10

In the Linux kernel, the following vulnerability has been resolved: ip6mr: Fixed an UAF issue in ip6mrskDone when addrconfinitnet failed. If the initialization of devconfall fails during the call to addrconfinitnet, the pointer devconfall is released. Calling ip6mrskDone to release the network...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/smc: Avoid overwriting the copies of clcsock callback functions. The clcsock callback functions will be saved and replaced during the fallback process. However, if the fallback occurs more than once, the copies of these...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: vdpa/mlx5: added validation for the VIRTIONETCTRLMQVQPAIRSSET command When the control vq receives a VIRTIONETCTRLMQVQPAIRSSET command request from the driver, there is currently no validation of the number of queue pairs to be...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: virtionet: Fixed the issue with xdprxqinfo after suspend/resume. The following sequence currently causes a driver bug warning when using virtionet: bash ip link set eth0 up echo mem /sys/power/state or e.g. rtcwake -s 10 -m mem i...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: net: tun: Fix use-after-free in tundetach Syzbot reported a use-after-free in tundetach. This causes a call trace like the following: ================================================================== BUG: KASAN: use-after-free i...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: kTLS; fixed a crash that occurred during the RX resync process. For the TLS RX resync process, we maintain a list of TLS contexts that require some attention. We communicate their resync information to the hardware...