Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: RCU: Protect access to rcuprinttaskexpstall - exptasks For kernels built with CONFIGPREEMPTRCU=y, the following scenario can result in a NULL pointer dereferencing: c CPU1 CPU2 rcupreemptdeferredqsirqrestore rcuprinttaskexpstall ...

Astra Linux – Vulnerability in Linux, Linux 5.10

The function emsusbstartxmit in the file drivers/net/can/usb/emsusb.c within the Linux kernel, up to version 5.17.1, contains a double-free...

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

In the Linux kernel, the following vulnerabilities have been resolved: IB/hfi1: Restore allocated resources in case of failed copyout operations. Correct a resource leak that occurred due to errors...

Astra Linux – Vulnerability in Linux 5.10, Linux

The file drivers/usb/gadget/legacy/inode.c in the Linux kernel, up to version 5.16.8, improperly handles the release of dev-buf...

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: modpost: fixed an issue where the comparison in isexecutablesection was off by one. The comparison should be set to = to prevent out-of-bounds array access...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/i915/hdcp: Added a check for the encoder in intelhdcpgetcapability. Sometimes during hotplug scenarios or suspend/resume scenarios, the encoder may not be initialized properly. To prevent null pointer dereferencing in the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: LoongArch: BPF: Prevent out-of-bounds memory access The testtag test triggers an unhandled page fault: ./testtag 130.640218 CPU 0 Unable to handle kernel paging request at virtual address ffff80001b898004, era == 9000000003137f7c...

Astra Linux – Vulnerability in Linux 5.10, Linux

The nfqnlmangle function in net/netfilter/nfnetlinkqueue.c in the Linux kernel, as of version 5.18.14, allows remote attackers to cause a denial of service panic. This occurs because, in the case of an nfqueue verdict with a one-byte nftapayload attribute, an skbpull operation may encounter a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Guard for possible null pointer dereferencing REASON In some situations, dc-respool may be null. SOLUTION Check whether the pointer is null before dereferencing it...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/smc: Fixed a possible leak of the pernet namespace in smcinit. In smcinit, registerpernetsubsys&smcnetstatops is called without any error handling. If this call fails, the registration of &smcnetops will not be reversed. And ...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftlimit: Configurations that cause integer overflow are now rejected. Invalid configurations where the internal token counter wraps around are also rejected. This issue only occurs with very, very large requests, such...

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

In the Linux kernel, the following vulnerability has been resolved: Input: synaptics-rmi4 – fixed the use of memory after it is freed in rmiunregisterfunction. The putdevice function calls rmireleasefunction, which frees the “fn” pointer. Therefore, dereferencing fn-numofirqs in the next line...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: be2net: Buffer overflow has been fixed in begetmoduleeeprom. becmdreadporttransceiverdata assumes that it is given a buffer that is at least PAGEDATALEN long, or twice that if the module supports SFF 8472. However, this is not...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: dlm: Fix for invalid read operations This patch addresses an invalid read operation shown by KASAN. When unlocking a resource, a structure called “struct plockop” is allocated. A subsequent sendop operation appends this structure...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix for constant blinding in PROBEMEM32 stores The immediate stores of BPFST|BPFMEM32 are not handled by bpfjitblindinsn. This allows user-controlled 32-bit immediate values to survive blinding and be included in JIT-compile...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: veth: Ensure that the eth header is in the linear part of the skb structure. After feeding a decapsulated packet to a veth device using actmirred, skbheadlen might be set to 0. However, vethxmit calls devforwardskb, which expects...

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: vfio/pci: Disabled the automatic enable of exclusive INTx/IRQs. Currently, for devices that require masking at the irqchip for INTx, i.e., devices without DisINTx support, the IRQ is enabled in the requestirq function, and then...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix insufficient bounds propagation from adjustscalarminmaxvals Kuee reported a corner case where the tnum becomes constant after the call to regboundoffset, but the bounds of the register are not correct. In particular, the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: bounds: Use the correct number of bits for CONFIGNRCPUS that is a power of two. The bitsper function rounds up to the next power of two when a power of two is passed as an argument. This can cause crashes on some machines and...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ksmbd: The rcubarrier function was called in ksmbdserverexit. The bug was triggered due to racing between closing a connection and the rmmod operation. In ksmbd, rcubarrier is not called at the time of module unloading, so nothin...