Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ntfs: fix use-after-free in ntfsattrfind Patch series "ntfs: fix bugs about Attribute", v2. This patchset fixes three bugs relative to Attribute in record: Patch 1 adds a sanity check to ensure that, attrsoffset field in first mf...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: eventpoll: Deferring the epfree function in eventpoll.c to an RCU callback during a grace period. In certain situations, epfree in eventpoll.c will attempt to free the epi-ep structure while it is still being used by another...

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

In the Linux kernel, the following vulnerability has been resolved: bus: fsl-mc: fix double-free on mcdev The committed code attempted to simplify the process of deallocations, but this led to a double-free on the mcdev variable. If the MC device is a DPRC, a new mcbus is allocated, and the mcdev...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: hcisync: Fixed a double-free in ‘hcidiscoveryfilterclear’. The function ‘hcidiscoveryfilterclear’ frees the ‘uuids’ array and then sets it to NULL. There is a small chance that the following races will occur:...

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

In the Linux kernel, the following vulnerability has been resolved: libceph: Remove debugfs files before client teardown The cephdestroyclient function destroys the monitor client before removing the per-client debugfs files. A concurrent read of the monmap debugfs file can trigger the monmapshow...

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

In the Linux kernel, the following vulnerability has been resolved: PM: runtime: Fixed a race condition related to device removal The following code in pmruntimework may cause dereferencing of the dev-parent pointer after the parent device has been freed: c / Maybe the parent is now able to...

Astra Linux – Vulnerability in Chromium

The use of “after free” in digital credentials in Google Chrome before version 143.0.7499.41 allowed a remote attacker who had compromised the renderer process to potentially exploit heap corruption through a crafted HTML page. Chromium security severity: High...

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

In the Linux kernel, the following vulnerability has been resolved: Wifi: rtlwifi: pci: fixed a possible use-after-free caused by unfinished irqpreparebcntasklet. The irqpreparebcntasklet is initialized in rtlpciinit and scheduled when the RTLIMRBCNINT interrupt is triggered by hardware. However,...

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

In the Linux kernel, the following vulnerability has been resolved: scsi: target: core: Fixed an issue where iSCSI ISIDs were used after a “use-after-free” occurred in the REGISTER AND MOVE function. The corescsi3emulateproregisterandmove function maps the PERSISTENT RESERVE OUT parameter list...

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

In the Linux kernel, the following vulnerabilities have been resolved: rds: handling of incoming messages that cross network namespace boundaries The rdsfindbound function looks up the destination socket using a global hashtable keyed solely on addr, port, scopeid. Network namespaces are not part...

Astra Linux – Vulnerability in Nasm

There is a use-after-free in asm/preproc.c function ppgetline in Netwide Assembler NASM 2.14rc16, which will cause a denial of service during a line-number increment attempt...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: net: lltemac: Ensure that the skb is freed when it is completely used. By using the TX BD to track the skb pointer, we can efficiently free the skb buffer after the frame has been transmitted. However, to avoid freeing the skb...

Astra Linux – Vulnerability in Firefox

Use-after-free in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 152 and Thunderbird 152...

Astra Linux – Vulnerability in Firefox and Thunderbird

A use-after-free might have occurred when an HTTP2 session object was released on a different thread, resulting in memory corruption and potentially exploitable crashes. This vulnerability affects Firefox 93, Thunderbird 91.3, and Firefox ESR 91.3...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm/i915: Fixed potential context UAFs. The gemcontextregister function makes the context visible to user space, and a separate thread can trigger the I915GEMCONTEXTDESTROY ioctl command. Therefore, we need to ensure that...

Astra Linux – Vulnerability in xwayland, xorg-server

A use-after-free flaw was discovered in X.Org and Xwayland. The root cursor is referenced in the X server as a global variable. If a client releases the root cursor, the internal references point to freed memory, resulting in a use-after-free...

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

In the Linux kernel, the following vulnerability has been resolved: net/smc: Fixed a situation where a socket reference was dropped after the link group termination process. The smclgrterminate function drops the connslock after finding a connection in lgr-connsall, but before taking a reference ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: The pointer wdev-cqmconfig must be cleared when freeing it during unregistration. This is necessary because the same wdev/netdev may be re-registered in another network namespace, and then destroyed later. Running...

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

In the Linux kernel, the following vulnerability has been resolved: batman-adv: retrieving ethhdr after a potential skb realloc on RX. The pskbmaypull function in the batadv interface’s rx function could reallocate the buffer behind the skb. Variables that pointed to the old buffer need to be...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: Networks: Ethernet – Fix for potential use-after-free in ecbhfremove. The code static void ecbhfremovestructpcidev dev looks as follows: c ... struct ecbhfpriv priv = netdevprivnetdev; unregisternetdevnetdev; freenetdevnetdev;...