Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: can: afcan: fixed NULL pointer dereferencing in canrcvfilter. Similar to the issue reported in commit 8aa59e355949 “can: afcan: fixed NULL pointer dereferencing in canrxregister”, we need to check for a missing initialization ...

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: - Ensured that erspanbasehdr is present in skb-head. The issue is that ip6erspanrcv and erspanrcv no longer ensures that erspanbasehdr is present in the linear part of skb-head before retrieving the @ver field from it. Add the...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: SPI: sun6i – Fixing the race condition between DMA RX transfer completion and RX FIFO drain. Previously, the transfer-completion interrupt would immediately drain the RX FIFO to read any remaining data in the FIFO into the RX...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: net: rds: fixed a memory leak in rdsrecvmsg Syzbot reported a memory leak in rds. The problem occurred when the reference count was not decremented in case of an error. The function rdsrecvmsgstruct socket sock, struct msghdr msg...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: virtionet: Do not send RSS commands if the feature is not available on the device. There is a bug when setting RSS options in virtionet that can cause the entire machine to become unstable, leading to an infinite loop in the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mctp: i2c: Fixed a skb memory leak in the receive path. When midev-allowrx is set to false, the newly allocated skb is not consumed by netifrx. It is necessary to free the skb directly...

Astra Linux – Vulnerability in libstb

Buffer overflow vulnerability in the function stbiextendreceive in stbimage.h in stb 2.26, caused by a crafted JPEG file...

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

In the Linux kernel, the following vulnerability has been resolved: cpumap: The xdprxqinfo structure is not initialized to zero before running the XDP program. When running an XDP program that is associated with a cpumap entry, we do not initialize the xdprxqinfo data structure, which is used in...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: can: mcan: mcanreadfifo,echotxevent: The shift timestamp is now set to full 32 bits. In commit 1be37d3b0414 “can: mcan: fix periph RX path: use rx-offload to ensure that packets are sent from the softirq context”, the RX path for...

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

In the Linux kernel, the following vulnerability has been resolved: Wifi: ath9k – Avoid referencing uninitialized memory in ath9kwmictrlrx. For the same reasons described in commit b383e8abed41 “Wifi: ath9k – Avoid uninitialized memory reading in ath9khtcrxmsg”, ath9khtcrxmsg should validate the...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: can: peakusb: fix use after free bugs After calling peakusbnetifrxniskb, dereferencing skb is unsafe. In particular, the canframe function, which aliases skb memory, is accessed after peakusbnetifrxni. Reordering the lines of cod...

Astra Linux – Vulnerability in exim4

Exim 4 before 4.94.2 allowed integer overflow to lead to a buffer overflow in the receiveaddrecipient function, through an email message with fifty million recipients. NOTE: Remote exploitation might be difficult due to resource consumption...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mac80211: fixed a use-after-free in CCMP/GCMP RX. When PN checking is performed in mac80211, for fragmentation purposes, we need to copy the PN into the RX struct so that it can be used later for comparison. This is reflected in...

Astra Linux – Vulnerability in Linux 5.10, Linux

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 – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: xen/netback: Avoid entering xenvifrxnextskb with an empty rx queue. xenvifrxnextskb expects the rx queue not to be empty. However, if the loop in xenvifrxaction performs multiple iterations, the availability of another skb in the...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: phonet/pep: fixed the use of racyskbqueueempty The receive queues are protected by their respective spin-locks, not the socket lock. This could lead to skbpeek returning NULL or a pointer to a socket buffer that has already been...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: gro: fixed ownership transfer If packets are processed with a fraglist, they may be segmented later on and continue their journey within the stack. In skbSegmentlist, these skbs can be reused as is. This is a problem because thei...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: nbd: Always initialize struct msghdr completely. syzbot reports that the value of msg-msggetinq may be uninitialized 1. The struct msghdr has many new fields recently. We should always ensure that their values are zero by...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: i40e: Fixed NULL pointer dereferencing in i40edbgdumpdesc. When attempting to dump VFs using debugfs, a crash occurred due to NULL pointer dereferencing in i40edbgdumpdesc. A check was added to i40edbgdumpdesc to ensure that the...

Astra Linux – Vulnerability in Linux 5.15

A null pointer dereference issue was detected in the can protocol in the net/can/afcan.c file in Linux before Linux. The mlpriv variable may not be initialized in the receive path of CAN frames. A local user could exploit this flaw to crash the system or potentially cause a denial of service...