Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: tls: Fixed a NULL dereference issue in tlsswspliceeof, where an empty plaintext/ciphertext buffer could cause confusion in the sendfile process. When the plaintext/ciphertext skmsg is empty, the send path becomes confused because...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: fixed a potential double-free in fsanycreategroups. When kcalloc is successful for ft-g, but kvzalloc fails for in, fsanycreatetable will free ft-g. However, its caller mlx5eDestroyFlowTable will free ft-g again by...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fixed a use-after-free issue. It seems that we forgot to set ttm-sg to NULL. This caused a panic. 1235.844104 General protection fault, likely for a non-canonical address 0x6b6b6b6b6b6b7b4b: 0000 1 SMP DEBUGPAGEALLOC...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: Fixed a UAF Use-after-Free in LED devices during unbinding. LED devices created by HD-audio codec drivers are registered using devmledclassdevregister, and they are associated with the HD-audio codec device...

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

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fixed a potential Use-after-Allocation UAF in cifsstatsprocshow. Skipped sessions that are being terminated status == SESEXITING to avoid UAF...

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: Tracing: Fixed a null pointer dereference in the tracingerrlogopen function. This issue occurs when the function does not call seqopen if the file is opened only with write permissions. As a result, file-privatedata remains...

Astra Linux – Vulnerability in Linux

In the Linux kernel before version 5.11.14, there is a use-after-free issue in the cipsov4genopt module, located in net/ipv4/cipsoipv4.c. This issue arises due to improper handling of the CIPSO and CALIPSO reference counts related to DOI definitions. As a result, an arbitrary value is written to...

Astra Linux – Vulnerability in Linux

A flaw was discovered in the Linux kernel’s implementation of string matching within packets. A privileged user with root or CAPNETADMIN status can insert rules into iptables, and this action may cause the system to panic. The issue affects kernels prior to version 5.5-rc1...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

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

In the Linux kernel, the following vulnerability has been resolved: IB/ipoib: Fixed the issue with locking the mcast list. The release of priv-lock while iterating over priv-multicastlist in ipoibmcastjointask creates a situation where ipoibmcastdevFlush may remove the items while the iteration i...

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

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables – Do not compare internal table flags during updates. If a table update does not modify the flags, skip the transaction...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ipu3-imgu: A NULL pointer dereferencing occurred in imgusubdevsetselection. Calling v4l2subdevgettrycrop and v4l2subdevgettrycompose with a subdev state of NULL leads to a NULL pointer dereferencing. This issue can occur in...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ASoC: qcom: Added checks for devmkcalloc. Since devmkcalloc may return NULL, the return value needs to be checked to avoid dereferencing a NULL pointer...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: Fixed a use-after-free race condition for maps It is possible that before fastrpcfreemap is called, another thread may call fastrpcmaplookup and obtain a reference to a map that is about to be deleted. The function...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: inetdiag: fixed a kernel-infoleak issue for UDP sockets KMSAN reported a kernel-infoleak issue 1 that could be exploited by unprivileged users. After analysis, it turned out that UDP was not initializing r-idiagexpires. Other...

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

In the Linux kernel, the following vulnerability has been resolved: mm/swapfile: condresched was added to getswappages. A softlockup still occurs in getswappages under memory pressure. With 64 CPU cores, 64GB of memory, and 28 zram devices, the size of each zram device is 50MB, and they all have...

Astra Linux – Vulnerability in Linux

A flaw was discovered in the Linux kernel. A use-after-free occurred in the way the console subsystem utilized ioctls KDGKBSENT and KDSKBSENT. A local user could exploit this flaw to gain access to memory beyond its intended scope. The most significant threat posed by this vulnerability is to dat...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: sm712fb: Fixed a crash in smtcfbwrite When the sm712fb driver writes three bytes to the framebuffer, the driver crashes. The issue is due to an inability to handle a page fault for the address: ffffc90001ffffff. RIP...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: HID: amdsfh: Fix for shift-out-of-bounds The shift operation on the ‘exp’ and ‘shift’ variables exceeds the maximum number of shift values in the u32 range, resulting in a UBSAN shift-out-of-bounds error. … 6.120512 UBSAN:...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: mrp: Introduced active flags to prevent UAF when the applicant uninit occurs. The caller of deltimersync must prevent the timer from restarting. If we don’t have this synchronization, there is a small probability that the...