Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ibmvnic: Successfully freeing the rwi upon reset. The rwi structure is freed if the last rwi in the list is processed successfully. The logic in commit 4f408e1fa6e1 “ibmvnic: Retry the reset if there are no other resets” introduc...

Astra Linux – Vulnerability in Linux, Linux 5.15

There is a use-after-free vulnerability in the ALSA PCM package within the Linux kernel. The SNDRVCTLIOCTLELEMREAD|WRITE32 function lacks locks that could be exploited in a use-after-free scenario, potentially leading to an escalation of privileges to gain ring0 access from the system user. We...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: microchip: sparx5: Fixed a potential null-ptr-deref in sparxstatsinit and sparx5start. sparxstatsinit calls createsinglethreadworkqueue, without checking the return value; this may result in NULL being returned. A...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: phy: ralink: mt7621-pci: add sentinel to quirks table By fixing socdevattr to register the SOC as a device, the kernel will encounter an OOPs error in socdevicematchattr. This quirks test was introduced in the staging driver in t...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: bpf, verifier: Fixed a memory leak in array reallocation for stack state. If an error NULL is returned by krealloc, callers of reallocarray would set their allocation pointers to NULL. However, when an error occurs in krealloc, i...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: vt: Fixed memory overlap issues when deleting characters from the buffer. A memory overlap copy occurs when deleting a long line. This memory overlap can lead to data corruption when scrmemcpyw is optimized to memcpy, because...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: TCP: TX zerocopy should not access the pfmemalloc status. We received a recent syzbot report 1 indicating a possible misuse of the page status in TCP zerocopy paths. Indeed, for pages originating from user space or other layers,...

Astra Linux – Vulnerability in Linux 5.10, Linux

Before version 5.17.9, the Linux kernel allowed TCP servers to identify clients by observing which source ports were used. This occurs due to the use of Algorithm 4 "Double-Hash Port Selection Algorithm" from RFC 6056...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: usbtmc: Fixed a bug in the pipe direction for control transfers. The syzbot fuzzer reported a minor bug in the usbtmc driver: usb 5-1: The BOGUS control direction, with pipe 80001e80, does not match bRequestType 0. WARNING:...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: dsa: Fixed a panic that occurred when the DSA master device unbinds during shutdown. Rafael reported that on a system with LX2160A and Marvell DSA switches, if a reboot occurs while the DSA master dpaa2-eth is active, the...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: USB: Gadget: Fixed a use-after-free bug by not setting udc-dev.driver. The syzbot fuzzer identified a use-after-free bug: BUG: KASAN: Use-after-free in devuevent+0x712/0x780 drivers/base/core.c:2320. A memory read of size 8 at...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net/packet: fixed a slab-out-of-bounds access in packetrecvmsg syzbot found that when an AFPACKET socket uses PACKETCOPYTHRESH and mmap operations, tpacketrcv queues skbs with garbage in skb-cb, causing an excessive copy 1...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: SCTP: Fixed a kernel-infoleak issue for SCTP sockets. The syzbot reported a kernel-infoleak issue of 4 bytes. After analysis, it turned out that r-idiagexpires was not initialized when inetsctpdiagfill called...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ipv6: fixed a panic that occurred when forwarding a packet without an in6 dev associated with the interface. Kongweibin reported a kernel panic in ip6forward, when the input interface does not have an in6 dev associated. The...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Thermal: int340x – fixed a memory leak in int3400notify The following memory leaks are likely to occur on my TigerLake platform: Unreferenced object: 0xffff927c8b91dbc0 size 32 Details: comm “kworker/0:2”, pid 112, jiffies...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: rndis: added a spinlock for the rndis response list There is no lock for the rndis response list. This could lead to list corruption if two different listadd operations occur simultaneously, as described below. It’s...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nftables – A memory leak occurred during the stateful object update. Stateful objects can be updated from the control plane. The transaction logic allocates a temporary object for this purpose. The -init function wa...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: Avoid cycles in the h-tree A maliciously corrupted filesystem can contain cycles in the h-tree stored inside a directory. This can easily lead to the kernel corrupting tree nodes that have already been verified during...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: dsa: lantiqgswip: Fixed the reference count leak in gswipgphyfwlist. In every iteration of foreachavailablechildofnode, the reference count of the previous node is decremented. When exiting the foreachavailablechildofnode lo...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: PCI: s390 – Fixed a use-after-free of PCI resources when per-function hot-plugging occurs. On the s390 architecture, PCI functions may be hot-plugged individually, even when they belong to a multi-functional device. Specifically,...