Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ALSA: gus – fixed a null pointer dereferencing issue in the pointer block. The pointer block returns from sndgf1dmanextblock, and this return value could be null. Therefore, there is a potential null pointer dereferencing issue...

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

In the Linux kernel, the following vulnerabilities have been resolved: mptcp: Ensure that sndnxt is properly initialized upon connection. Christoph reported a crash hinting at a corrupted snduna: WARNING: CPU: 1 PID: 38 at net/mptcp/protocol.c:1005 mptcpcleanuna+0x4b3/0x620...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: mana: Fixed a possible double-free in the error handling path. When auxiliarydeviceadd returns an error and then calls auxiliarydeviceuninit, the callback function adevrelease calls kfreemadev. We should not call kfreemadev...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nftables: Unregistering flowtable hooks upon netns exit. Unregistering flowtable hooks before they are released via nftablesflowtabledestroy; otherwise, the hook code may report a Use-After-Free error. BUG: KASAN:...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

A use-after-free vulnerability in the Linux kernel’s netfilter:nftables component can be exploited to achieve local privilege escalation. When an error occurs during the creation of a nftables rule, deactivating immediate expressions in nftimmediatedeactivate can cause the chain to be unbound,...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: Fixed the error code in iwlopmodedvmstart The error code should be preserved if iwlsetupdeferredwork fails. The current code returns ERRPTR0 which is NULL at this point. I believe that the missing error code could...

Astra Linux – Vulnerability in Linux, Linux 5.10

A use-after-free vulnerability was discovered in the Linux kernel, specifically in the drivers/net/hamradio module. This flaw allows a local attacker with user privileges to cause a denial of service DOS condition when the mkiss or sixpack device is detached, resulting in premature reclamation of...

Astra Linux – Vulnerability in Linux 5.10

There is a vulnerability related to time-of-check to time-of-use issues in the iouringsubsystem’s IORINGOPCLOSE operation in the Linux kernel versions 5.6 to 5.11 inclusive. This vulnerability allows a local user to elevate their privileges to root. Introduced in the version...

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

In the Linux kernel, the following vulnerability has been resolved: scsi: Reverted “scsi: fcoe: Fix potential deadlock on &fip-ctlrlock”. This reversion involves commit 1a1975551943f681772720f639ff42fbaa746212. This commit causes interrupts to be lost for FCoE devices, as it changed the sping loc...

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

In the Linux kernel, the following vulnerability has been resolved: ACPI: Video – Check for an error when searching for the parent of the backlight device. If the acpigetparent function called within acpivideodevregisterbacklight fails, for example, because acpiutacquiremutex fails inside...

Astra Linux – Vulnerability in Linux, Linux 5.10

A heap-based buffer overflow flaw was discovered in the way the legacyparseparam function in the Linux kernel’s Filesystem Context functionality verifies the length of the supplied parameters. A non-privileged user if non-privileged user namespaces are enabled, otherwise requiring CAPSYSADMIN...

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

In the Linux kernel before version 6.4.5, the file driver/gpu/drm/drmatomic.c contained a use-after-free during a race condition between a nonblocking atomic commit and a driver unloading process...

Astra Linux – Vulnerability in Linux 5.10

A issue was discovered in the Linux kernel through version 5.16-rc6. The ef100updatestats function in drivers/net/ethernet/sfc/ef100nic.c lacks a check for the return value of kmalloc...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: drm/amd/pm: fixed a random hang during S4 for SMU v13.0.4/11. During multiple S4 stress tests, GC/RLC/PMFW became in an invalid state, leading to hard hangs. Adding a GFX reset as a workaround just before sending the MP1UNLOAD...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Julia Lawall reported this null pointer dereference issue, and this should fix it...

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: geneve: Fixed header validation in geneve6xmitskb. syzbot is able to trigger an uninit-value in genevexmit. Problem: While most IP tunnel helpers such as iptunnelgetdsfield use skbprotocolskb, true, pskbinetmaypull only uses...

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: Block: Prevent division by zero in blkrqstatsum The expression dst-nrsamples + src-nrsamples may have a value of zero during overflow. It is necessary to add a check to avoid division by zero. This issue was identified by the Lin...

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: x86/mm/pat: fixed the handling of VMPAT in COW mappings. The handling of VMPAT does not work correctly in COW mappings: the first PTE or, in fact, all PTEs can be replaced during write faults, causing them to point to anonymou...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mlxbfgige: Stopping the interface during shutdown The mlxbfgige driver intermittently encounters a NULL pointer exception when the system is shutting down via the “reboot” command. The mlxbfdriver will experience an exception...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: In the ofmodalias function, we can pass the str and len parameters. This could lead to a kernel oops in vsnprintf, as the function only allows passing a NULL pointer when the length is also 0. Additionally, we need to filter out...