Astra Linux – Vulnerability in ruby-websocket-extensions

The websocket-extensions Ruby module before version 0.1.5 allowed Denial of Service DoS attacks through Regex backtracking. The extension parser could take quadratic time when parsing a header containing an unclosed string parameter value whose content was a repeated two-byte sequence of a...

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: tls: Purged asynchold from the tlsdecryptasyncwait function. The asynchold queue retains encrypted input data while the AEAD engine references their scatterlist data. Once tlsdecryptwait returns, every AEAD operation is completed...

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

In the Linux kernel, the following vulnerability has been resolved: iouring: Any code related to SCMRIGHTS has been removed. This is dead code after we stopped supporting the use of iouring for handling file I/O via SCMRIGHTS; it can now be discarded...

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

In the Linux kernel, the following vulnerabilities have been resolved: bpf, cpumap: Handle skb as well when cleaning up ptrring. The following warning was reported when running xdpredirectcpu with both skbmode and stressmode enabled: ------------ Cut here ------------ Incorrect XDP memory type...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: x86/platform/uv: Use an alternative source for socket to node data. The UV code attempts to create a set of tables to enable bidirectional socketnode lookups. However, when nrcpus is set to a smaller number than the actual number...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcicore: Fixed the issue of the sentcmd skb being leaked before it was freed. The sentcmd memory was not freed before freeing hcidev, causing it to leak its contents...

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

A issue was discovered in l2capsockrelease in net/bluetooth/l2capsock.c in the Linux kernel before version 6.4.10. There is a use-after-free issue, as the children of an sk are handled incorrectly...

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, Linux

In the Linux kernel, the following vulnerability has been resolved: bpf: Fixed the requestsock leak in sk lookup helpers A customer reported a requestsocket leak in a Calico cloud environment. We found that a BPF program was performing a socket lookup, taking a reference count of the socket. It w...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: ath11k: Fixed the issue where the skb was not dropped when an htctxcompletion error occurred. When an htctxcompletion error occurs, the skb is not discarded. This is incorrect because the completionhandler logic expects the sk...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Ethernet: Aeroflex – Fix for a potential skb leak in grethinitrings The grethinitrings function does not free the newly allocated skb when dmamappingerror returns an error. Therefore, adding devkfreeskb is necessary to fix this...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: amd-xgbe: Fixed an issue where the data length of the skb structure was underflowed. A BUGON will be triggered in include/linux/skbuff.h, resulting in intermittent kernel panics when a length underflow is detected. This issu...

Astra Linux – Vulnerability in avahi

A flaw was discovered in avahi in versions 0.6 up to 0.8. The event used to signal the termination of the client connection on the avahi Unix socket is not handled correctly in the clientwork function, allowing a local attacker to trigger an infinite loop. The most significant threat from this...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Audit: Improved robustness of audit queue handling If the audit daemon becomes stuck in a stopped state, the kauditdthread function in the kernel might get blocked while attempting to send audit records to the audit daemon in the...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: Net: If sock is not available, do not access sock's skwq in skstreamwaitmemory. The following NULL pointer dereferences have been fixed: ... 14.471200 Call Trace: 14.471562 14.471882 lockacquire+0x245/0x2e0 14.472416 ?...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fixed repeated calls to sockput when msg has moredata In the tcpbpfsendverdict redirection, the eval variable is assigned to SKREDIRECT after the applybytes data is sent. If msg has moredata, sockput will be called...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: l2tp: All race conditions in l2tptunnelregister have been fixed. The code within l2tptunnelregister is problematic in several ways: 1. It modifies the tunnel socket after it is published. 2. It calls setupudptunnelsock on an...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: skbuff: fixed the coalescing behavior for pagepool fragment recycling. Fixed a use-after-free issue when using pagepool with page fragments. We encountered this problem during normal RX processing in the hns3 driver: 1 Initially,...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: net/9p: A potential socket leak has been fixed in p9socketopen. Both p9fdcreatetcp and p9fdcreateunix will call p9socketopen. If the creation of p9transfd fails, both p9fdcreatetcp and p9fdcreateunix will return an error directly...