Astra Linux – Vulnerability in Linux 5.10, Linux

Several Linux PV device frontends are vulnerable to attacks by backends that use grant table interfaces to remove access rights in a way that is subject to race conditions. This can lead to potential data leaks, data corruption by malicious backends, and denial of service attacks. The blkfront,...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: pinctrl: devicetree: fixed null pointer dereferencing in pinctrldttomap Here is the BUG report by KASAN regarding null pointer dereferencing: BUG: KASAN: nullptrderef in strcmp+0x2e/0x50 A read of size 1 was performed at address...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: gpio: cdev: Fixed resource leaks that occur during errors in lineinfochangednotify. During error handling, lineinfochangednotify does not free the allocated resources, resulting in leaks. This issue has been fixed...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: idpf: fixed the issue where the aux device is unplugged when RDMA is not supported by the vport. If the vport flags do not contain VIRTCHNL2VPORTENABLERDMA, the driver does not allocate vdevinfo for this vport. This results in a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: RISCV: Misaligned – Restricts user access to kernel memory. The rawcopyto,fromuser function does not call accessok, allowing userspace to access any virtual memory address...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: TCP: Fixed a data race around sysctltcpearlyretrans. When reading sysctltcpearlyretrans, it can be changed concurrently. Therefore, we need to add READONCE to its reader function...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Selinux: fixed a memory leak in the securityreadstatekernel function. In this function, it directly returns the result of securityreadpolicy without freeing the allocated memory in data, which could lead to a memory leak...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Do not overwrite the KMS surface dirty tracker. We were overwriting the surface’s dirty tracker, which caused a memory leak...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: smb: Server: Fixed a use-after-free in smb2open. The opinfo pointer obtained via rcudereferencefp-fopinfo is dereferenced after rcureadunlock, creating a use-after-free situation...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Wifi: mac80211: Fix for corruption due to changed flags in MBSS on 32-bit systems. On 32-bit systems, the size of an unsigned long is 4 bytes, while a u64 is 8 bytes. Therefore, when using oreachsetbitbit, &bits, sizeofchanged...

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

A use-after-free vulnerability in the Linux kernel’s afunix component can be exploited to achieve local privilege escalation. The unixstreamsendpage function attempts to add data to the last skb in the peer’s recv queue without locking the queue. This creates a race condition where...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Wifi: cfg80211 – Fix for buffer overflow in the elem comparison. For vendor elements, the code assumes that 5 octets are present without checking them. Since the element itself has already been checked for compatibility, we only...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/mxsfb: Disabling the overlay plane in mxsfbplaneoverlayatomicdisable When disabling the overlay plane in mxsfbplaneoverlayatomicupdate, the framebuffer pointer of the overlay plane is NULL. Therefore, dereferencing it would...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Do not leak netobj memory when gssreadproxyverf fails...

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

In the Linux kernel, the following vulnerabilities have been resolved: fs/ntfs3: Fixed a NULL pointer dereference in ‘niwrite inode’. Syzbot identified the following issue: Unable to handle a NULL pointer dereference at the virtual address 0000000000000016. Memory abort information: ESR =...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: NFSv4: Fixed a credential leak in nfs4discovertrunking...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: A memory leak was fixed in lpfccreateport. The commit 5e633302ace1 “scsi: lpfc: vmid: Added support for VMID in the mailbox command” introduced allocations for the VMID resources in lpfccreateport after the call to...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: ext4: Fixed an inode leak in ext4xattrinodecreate, which occurs on an error path. There is a issue when using setxattr with a fault injection: localhost fsck.ext4 -fn /dev/sda e2fsck 1.46.6-rc1 12-Sep-2022 Pass 1: Checking...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: dsa: tag8021q: Avoid leaking ctx on the error path of dsatag8021qregister If dsatag8021qsetup fails, for example due to the device’s inability to install a VLAN, the tag8021q context of the switch will be leaked. Make sure...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Avoid use-after-free in dbg for hciremoveadvmonitor KASAN reports that there’s a use-after-free in hciremoveadvmonitor. By examining the disassembly, it can be seen that the issue arises from the access in...