Astra Linux – Vulnerability in Linux 5.10

A double-free flaw was discovered in the Linux kernel’s TUN/TAP device driver functionality, particularly in how a user registers the device when the registernetdevice function fails with the NETDEVREGISTER notifier. This flaw allows a local user to crash the system or potentially escalate their...

Astra Linux – Vulnerability in Linux 5.10

A vulnerability was discovered in the net/tipc/crypto.c file within the Linux kernel before version 5.14.16. The Transparent Inter-Process Communication TIPC functionality allows remote attackers to exploit a lack of sufficient validation of the user-supplied sizes for the MSGCRYPTO message type...

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...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: bootconfig: Use memblockfreelate to free xbc memory to the buddy allocator. In the code for freeing xbc memory in xbcexit, memblock might have transferred memory to the buddy allocator. Therefore, it doesn’t make sense to free...

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: nfc: nci: Fixed an uninitialized value in ncidevup and ncintfpacket. syzbot reported the following uninitialized value access issue 12: The ncirxwork function parses and processes received packets. When the payload length is...

Astra Linux – Vulnerability in Linux 5.15

There is a flaw in the Linux kernel’s handling of new TCP connections. The issue arises due to the lack of memory release after the effective lifetime of these connections. This vulnerability allows an unauthenticated attacker to create a denial-of-service condition on the system...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

A vulnerability related to out-of-bounds memory access was discovered in the Linux kernel’s XFS file system, regarding how a user restores an XFS image after a failure with a dirty log journal. This vulnerability allows a local user to crash the system or potentially escalate their privileges on...

Astra Linux – Vulnerability in Linux, Linux 5.10

A use-after-free flaw was discovered in the Linux kernel’s Amateur Radio AX.25 protocol functionality, regarding the way users connect with the protocol. This flaw allows a local user to crash the system...

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

In the Linux kernel, the following vulnerability has been resolved: net: ipv4: fixed a memory leak in inetdelifa. The following warning was encountered during the fuzzing test: unregisternetdevice: waiting for bond0 to become free. Usage count = 2 This issue can be reproduced as follows: ip link...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ksmbd: The validation of the request buffer size was added in smb2allocaterspbuf. The response buffer should be allocated in smb2allocaterspbuf before validation of the request. However, fields within the payload as well as the...

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

In the Linux kernel, the following vulnerability has been resolved: init/main.c: Fixed a potential memory overflow issue with staticcommandline. We allocated memory of size ‘xlen + strlenbootcommandline + 1 for staticcommandline. However, the strings copied into staticcommandline were actually fr...

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: Bluetooth: SCO: Fixed issue where user input is not validated before calling setockopt. The syzbot reported that scosocksetsockopt copies data without checking the length of the user input. BUG: KASAN: Out-of-bounds access in...

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

In the Linux kernel, the following vulnerability has been resolved: net/smc: Reduced Rtnl pressure in smcpnetcreatepnetidslist. Many syzbot reports indicate extreme Rtnl pressure, and many of them suggest that smc acquires Rtnl during the creation of netnames without any valid reason 1. This patc...

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

In the Linux kernel, the following vulnerability has been resolved: USB: Gadget: fncm: Fixed UAF Use-After-Free in the ncm object after re-binding after a USB EP transport error When the ncm function is working, the usb0 interface is stopped due to a link failure. In this case, the ethstop functi...