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

In the Linux kernel, the following vulnerability has been resolved: scsi: ses: Fixed possible out-of-bounds accesses to addldescptr. Sanitized possible out-of-bounds accesses to addldescptr in sesenclosuredataprocess...

Astra Linux – Vulnerability in Linux

A NULL pointer dereference flaw was discovered in the Linux kernel’s IEEE 802.15.4 wireless networking subsystem, regarding the way the user terminates the LR-WPAN connection. This flaw allows a local user to crash the system. The greatest threat posed by this vulnerability is to system...

Astra Linux – Vulnerability in Linux, Linux 5.10

A use-after-free flaw was discovered in the Linux kernel’s sound subsystem. This flaw occurs when a user triggers concurrent calls to the PCM hwparams function. The hwfree ioctls or similar race conditions occur within ALSA PCM for other ioctls. This flaw allows a local user to crash the system o...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

A stack overflow flaw was discovered in the Linux kernel’s SYSCTL subsystem regarding how a user modifies certain kernel parameters and variables. This flaw allows a local user to crash the system or potentially escalate their privileges on the system...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: configfs: A race condition in configfs,unregistersubsystem has been fixed. When configfsregistersubsystem or configfsunregistersubsystem executes linkgroup or unlinkgroup, it is possible for two processes to add or delete element...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: removed one synchronizenet call from ipv6mcdown. As discussed in previous discussions commit 2d3916f31891 “ipv6: fix skb drops in igmp6eventquery and igmp6eventreport”, the synchronizenet call in ipv6mcdown is not...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: gso: Fixed a panic that occurred when using a fraglist with mixed head allocation types. Since the commit 3dcbdb134f32 “net: gso: Fixed an error in skbsegment when splitting a gsosize mangled skb having linear-headed...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: scsi: ibmvfc: Store the vhost pointer during subcrq allocation Currently, the back pointer from a queue to the vhost adapter is not set until after the subcrq interrupt registration. This value becomes available when a queue is...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Block layer: Fixed handling of offline queues in blkmqallocrequesthctx. This patch prevents the test nvme/004 from triggering the following issues: - UBSAN: Array index out of bounds in block/blkmq.h:135:9. The index 512 is out o...

Astra Linux – Vulnerability in Linux

A flaw was discovered in the Linux kernel. A use-after-free occurred in the way the console subsystem utilized ioctls KDGKBSENT and KDSKBSENT. A local user could exploit this flaw to gain access to memory beyond its intended scope. The most significant threat posed by this vulnerability is to dat...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: comedi: The dev-spinlock is reinitialized between attachments to low-level drivers. struct comedidevice is the main controlling structure for a COMEDI device created by the COMEDI subsystem. It contains a member spinlock that...

Astra Linux – Vulnerability in Linux

A locking inconsistency issue was discovered in the tty subsystem of the Linux kernel through version 5.9.13. Files drivers/tty/ttyio.c and drivers/tty/ttyjobctrl.c may allow a read-after-free attack on TIOCGSID, also known as CID-c8bcd9c5be24...

Astra Linux – Vulnerability in Linux

A locking issue was discovered in the tty subsystem of the Linux kernel through version 5.9.13. The file drivers/tty/ttyjobctrl.c allows for a use-after-free attack against TIOCSPGRP, also known as CID-54ffccbf053b...

Astra Linux – Vulnerability in Linux

The vgacon subsystem in the Linux kernel before version 5.8.10 mishandles software scrollback operations. There is an out-of-bounds read in vgaconscrolldelta, also known as CID-973c096f6a85...

Astra Linux – Vulnerability in Linux

A flaw was discovered in the Linux kernel. A memory use-after-free vulnerability was identified in the perf subsystem, allowing a local attacker with permission to monitor perf events, thereby corrupting memory and potentially escalating privileges. The most significant threat of this vulnerabili...

Astra Linux – Vulnerability in Linux

A use-after-free occurred in the function hcisockboundioctl of the Linux kernel’s HCI subsystem. This issue arises when the user calls ioct HCIUNBLOCKADDR, or when the call to hciunregisterdev triggers a race condition, along with the calls hcisockblacklistadd, hcisockblacklistdel, hcigetconninfo...

kernel: Bluetooth: fix locking in hci_conn_request_evt() with HCI_PROTO_DEFER

A flaw was found in the Linux kernel's Bluetooth subsystem. Improper handling of locking within the hciconnrequestevt function, particularly when the HCIPROTODEFER protocol is active, can result in a Use-After-Free UAF vulnerability. This condition arises when a connection object is accessed afte...

kernel: wifi: nl80211: reject oversized EMA RNR lists

A flaw was found in the Linux kernel's nl80211 Wi-Fi subsystem. The nl80211parsernrelems function, responsible for parsing EMA RNR Enhanced Multiple Access Reduced Neighbor Report lists, does not properly handle an excessive number of nested NL80211ATTREMARNRELEMS inputs. This improper input...

kernel: net: qrtr: fix refcount saturation and potential UAF in qrtr_port_remove

A flaw was found in the Linux kernel's qrtr network subsystem. A race condition exists in the qrtrportremove function where the socket reference count is decremented prematurely. This allows a concurrent reader to access a socket whose reference count has dropped to zero, potentially leading to a...

kernel: Bluetooth: hci_sync: fix UAF in hci_le_create_cis_sync

A flaw was found in the Linux kernel's Bluetooth subsystem. This vulnerability, a Use-After-Free UAF, allows an attacker to access memory after it has been freed. This can lead to a system crash, resulting in a Denial of Service DoS, or potentially enable an attacker to execute malicious code. Th...