Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: xfrm: The issue related to re-scheduling work after cancellation in xfrmnatkeepalivenetfini has been fixed. After the canceldelayedworksync function is called from xfrmnatkeepalivenetfini, xfrmstatefini flushes the remaining stat...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: shaper: Protection against late creation of hierarchies. We retrieve the netdev during the preparation of Netlink operations before callbacks. We then take a reference to it. Later, within the body of the callback, we acquir...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: shaper: Protection is added for late read accesses to the hierarchy. We retrieve a netdev during the preparation of Netlink operations pre-callbacks, and then we acquire a reference to it. Later, within the body of the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: virtionet: fixed device mismatch in devmkzalloc/devmkfree The initial rsshdr allocation uses virtiodevice-device, but virtnetsetqueues frees resources using netdevice-device. This device mismatch causes the following devres...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: pfcp: The device is destroyed along with the udp socket’s netns structure. The pfcpnewlink function links the device to a specific netns in devnet instead of net, where an udp tunnel socket is created. Even when net is removed, t...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: virtio-net: Zeroed unused hash fields When a GSO tunnel is negotiated, the virtionethdrtnlfromskb function attempts to initialize the tunnel metadata. However, it forgets to zero the unused rxhash fields. This could lead to...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: xsk: Validates the MTU against the usable frame size when binding. The AFXDP binding currently accepts zero-copy pool configurations without verifying that the device’s MTU fits within the usable frame space provided by the UMEM...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Networking: DSA: Microchip: Fixed the error path in PTP IRQ setup. If the requestthreadedirq function fails during the PTP message IRQ setup, the newly created IRQ mapping is never disposed of. In fact, the error path in...

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 5.10

In the Linux kernel, the following vulnerability has been resolved: In iouring/net, there is a fix for a slab-out-of-bounds read in iobundlenbufs. sqe-len is defined as u32, but it is stored in sr-len, which is of type int. When userspace values of sqe-len exceed INTMAX e.g., 0xFFFFFFFF, sr-len...

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

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 vulnerabilities have been resolved: raw: Fixed NULL dereference in rawgetnext. Dae R. Jeong reported a NULL dereference in rawgetnext. It seems that the reproduction test was running these sequences in parallel, so one thread was iterating over a socket that was...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: virtio-net: Fixed pages leaking when building skb in big mode. We attempt to use buildskb if there is sufficient “tailroom”. However, we forget to release the unused pages that are chained via private in big mode, which can lead ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: hibmcge – fixed the issue of division by zero. When the network port is down, the queue is released, and ring-len becomes 0. In debugfs, the hbggetqueueusednum function will be called, which may lead to a division by zero...

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...

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: ping: Fixed a potential NULL dereference for /proc/net/icmp. After committing the change dbca1596bbb0 “ping: Converted to RCU lookups, removed rwlock”, we use RCU for ping sockets. However, we should still use a spinlock for...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: nexthop: Fixed the issue of “use-after-free” in removenhgrpentry. When removing a nexthop from a group, removenhgrpentry publishes the new group via rcuassignpointer, and then immediately frees the removed entry’s percpu sta...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: usb: legacy: ncm: Fixed an NPE in gncmBind. The commit 56a512a9b410 “usb: gadget: fncm: Aligned netdevice lifecycle with bind/unbind” deferred the allocation of the netdevice. This change results in a NULL pointer derefrence in t...