Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: xenvifrxnextskb: Avoid entering this function with an empty rx queue. xenvifrxnextskb expects that the rx queue is not empty. However, if the loop in xenvifrxaction performs multiple iterations, the availability of another skb in...

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

In the Linux kernel, the following vulnerability has been resolved: pstore/ram: Added a check for kstrdup. Added a check on the return value of kstrdup, and return an error if it fails, in order to avoid NULL pointer dereferencing...

Astra Linux – Vulnerability in Linux, Linux 5.10

A data race flaw was discovered in the Linux kernel, between the allocation of the con variable and the setting of con-sock. This issue results in a NULL pointer dereferencing when accessing con-sock-sk in the net/tipc/topsrv.c file within the tipc protocol in the Linux kernel...

Astra Linux – Vulnerability in Firefox and Thunderbird

A malicious website could have used a combination of the fullscreen mode and the requestPointerLock function to cause the user’s mouse to be repositioned unexpectedly. This could lead to confusion among users and, inadvertently, the granting of permissions that the user did not intend to grant...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: ucsi: Fixed a NULL pointer dereferencing in ucsiconnectorchange. When ucsiinit fails, ucsi-connector is NULL. However, in the case of ucsiacpi, we may still receive events that cause the ucsacpi code to call...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: udmabuf: validate ubuf-pagecount Syzbot reported a GPF in sgallocAppendTableFromPages. The problem lies in ubuf-pages == ZEROPTR. ubuf-pagecount is calculated based on arguments passed from user-space. If the user creates an...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/vkms: Fixed a null-ptr-deref in vkmsrelease. A null-ptr-deref occurred when trying to destroy the workqueue in vkms-output.composerworkq during vkmsrelease. KASAN: Null-ptr-deref occurred in the range...

Astra Linux – Vulnerability in Vim

NULL pointer dereferencing in the GitHub repository for Vim/Vim before version 8.2...

Astra Linux – Vulnerability in Linux

The fix for XSA-365 includes the initialization of pointers so that subsequent cleanup code would not use uninitialized or stale values. However, this initialization went too far and may, under certain conditions, also overwrite pointers that need to be cleaned up. The lack of cleanup would resul...

Astra Linux – Vulnerability in curl

Due to the use of a dangling pointer, libcurl versions 7.29.0 through 7.71.1 can use the wrong connection when sending data...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/rxe: Fixed the “kernel NULL pointer dereference” error. When the rxequeueinit function in the rxeqpinitreq function fails, both qp-req.task.func and qp-req.task.arg are not initialized. Due to the failure in creating the...

Astra Linux – Vulnerability in Qemu

A flaw was discovered in the QEMU’s built-in VNC server during the processing of ClientCutText messages. The qemuclipboardrequest function can be accessed before vncservercuttextcaps is called, which gives a malicious authenticated VNC client the opportunity to initialize the clipboard peer. This...

Astra Linux – Vulnerability in OpenLDAP

A vulnerability was discovered in openldap. This security flaw causes a null pointer dereference in the bermemallocx function...

Astra Linux – Vulnerability in Vim

NULL pointer dereferencing in the GitHub repository for vim/vim before version 8.2.4959...

Astra Linux – Vulnerability in Vim

Use of out-of-range pointer offset in the GitHub repository vim/vim before version 8.2...

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

A null pointer dereference flaw was discovered in the Linux kernel’s DECnet networking protocol. This issue could allow a remote user to crash the system...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: A NULL check was added for the “timing generator” in dcn21setpipe. In the line of u32 otginst = pipectx-streamres.tg-inst;, if pipectx-streamres.tg can be NULL, it relies on the caller to ensure that tg is not NU...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: nbd: Fixed NULL pointer in flushworkqueue Open /dev/nbdX first; the configrefs will be 1, and the pointers in nbddevice remain null. Disconnect /dev/nbdX, then reference a NULL recvworkq. The protection provided by configrefs ...

Astra Linux – Vulnerability in libbpf

A vulnerability was discovered in the Linux kernel. It has been classified as problematic. This issue affects the findprogbysecinsn function in the tools/lib/bpf/libbpf.c file, belonging to the BPF component. The vulnerability results in a null pointer derefrence error. It is recommended that a...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fixed a memory leak in kfdmemdmamapuserptr. If the number of pages from the userptr BO differs from the SG BO, then the allocated memory for the SG table does not get freed before returning – this may lead to a memory...