Astra Linux – vulnerability in linux-5.10, linux-5.15, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not ASSERT if the newly created subvolume already got read BUG There is a syzbot crash, triggered by the ASSERT during subvolume creation: assertion failed: !anondev, in fs/btrfs/disk-io.c:1319 ------------ cut here...

Astra Linux – vulnerability in linux, linux-5.10, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: IB/hfi1: Fix possible panic during hotplug remove During hotplug remove, it is possible that update counters may still be in progress, and may resume after memory has been freed. Cancel the update counters work before freeing...

Astra Linux – Vulnerability in Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mmc: core: Avoid negative index with array access The commit 4d0c8d0aef63 “mmc: core: Use mrq.sbc in close-ended ffu” assigns previdata = idatasi - 1, but does not check that the iterator i is greater than zero. We will fix this ...

Astra Linux – vulnerability in linux-5.10, linux, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: modpost: fix off by one in isexecutablesection The comparison should be = to prevent an out of bounds array access...

Astra Linux - Vulnerability in linux-5.10, linux, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: drm/client: Fix memory leak in drmclientmodesetprobe When a new mode is set to modeset-mode, the previous mode should be freed. This fixes the following kmemleak report: drmmodeduplicate+0x45/0x220 drm...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

The atmtcenqueue function in the net/sched/schatm.c file of the Linux kernel, as of version 6.1.4, allows attackers to cause a denial of service due to type confusion. In some cases, non-negative numbers can indicate a TCACTSHOT condition instead of valid classification results...

Astra Linux – vulnerability in linux, linux-5.10, linux-5.15, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: media: bttv: fix use after free error due to btv-timeout timer There may be some race condition between timer function bttvirqtimeout and bttvremove. The timer is setup in probe and there is no timerdelete operation in remove...

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

In the Linux kernel, the following vulnerability has been resolved: ipmi:ssif: A memory leak has been fixed when scanning for an adapter. The ssifinfofind function sets info-adaptername if the adapter information comes from the SMBIOS; otherwise, it isn’t set. However, this function can be called...

Astra Linux – vulnerability in linux-6.1

In the Linux kernel, the following vulnerability has been resolved: cifs: prevent NULL pointer dereference in UTF16 conversion There can be a NULL pointer dereference bug here. NULL is passed to cifssfumakenode without any checks; this value is then passed unchecked to cifsstrnduptoutf16, which i...

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

In the Linux kernel, the following vulnerability has been resolved: The issue lies in ofparsephandlewithargsmap. In this function, the inner loop that iterates through the map entries calls ofnodeputnew to free the reference acquired during the previous iteration of the inner loop. This assumes...

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

In the Linux kernel, the following vulnerabilities have been resolved: dccp: Fixed a race condition around the dp-dccpsmsscache variable. The dccpsendmsg function reads the dp-dccpsmsscache before locking the socket. The same issue occurs in dodccpgetsockopt. Added annotations for...

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

A use-after-free vulnerability was discovered in iscsiswtcpsessioncreate in drivers/scsi/iscsitcp.c within the SCSI sub-component of the Linux kernel. This flaw allows an attacker to access internal kernel information...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: scsitransportsas: Fixed error handling in sasPhyadd. If transportadddevice fails in sasPhyadd, the kernel may crash when trying to delete the device via transportRemoveDevice, which is called from sasRemoveHost. The kernel...

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 found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mm: swap: fix race between freeswapandcache and swapoff There was previously a theoretical scenario where swapoff could execute and tear down the swapinfostruct while a call to freeswapandcache was running in another thread. This...

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

A heap out-of-bounds write vulnerability in the Linux Kernel Performance Events perf component of the Linux kernel can be exploited to achieve local privilege escalation. If the perfreadgroup function is called when the siblinglist of an event is smaller than that of its child, it may increment o...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: removed one synchronizenet call from ipv6mcdown. As discussed in previous discussions commit 2d3916f31891 “ipv6: fix skb drops in igmp6eventquery and igmp6eventreport”, the synchronizenet call in ipv6mcdown is not...

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

In the Linux kernel, the following vulnerability has been resolved: comedi: vmk80xx: fixed incomplete endpoint checking While vmk80xx does have endpoint checking implemented, some issues may still go unnoticed. Depending on the hardware model, URBs can have either bulk or interrupt types, and the...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: coresight: syscfg: Fixed a memory leak that occurred during registration failures in cscfgcreatedevice. deviceregister calls deviceinitialize. According to the documentation for deviceinitialize: “Use putdevice to release the...