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: tipc: Fixed a use-after-free in the kernel socket in cleanupbearer. syzkaller reported a use-after-free of the UDP kernel socket in cleanupbearer, without repro. 01 When bearerdisable calls tipcudpdisable, the cleanup of the U...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: platform/chrome: crosectypec: Stale pointers have been set to zero. The function crostypecgetswitchhandles allocates four pointers when obtaining type-c switch handles. These pointers are all freed if none of them are obtained...

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

In the Linux kernel, the following vulnerability has been resolved: rtnetlink: Make sure to refresh masterdev/mops in rtnlnewlink. While looking at one unrelated syzbot bug, I found that the replay logic in rtnlnewlink could potentially trigger a use-after-free condition. It’s better to clear...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: RapidIO: mportcdev: Fix for a use-after-free in dmareqfree. The dmareqfree function acquires the bufmutex through req-map. It drops the reference to req-map using krefput, and then re-dereferences req-map again to unlock the mute...

Astra Linux – Vulnerability in grub2

A vulnerability related to operations after freeing memory has been discovered in GRUB’s gettext module. This flaw arises from a programming error where the gettext command remains registered in memory even after its associated module is unloaded. An attacker can exploit this condition by invokin...

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: ARP: RCU protection should be used in arpxmit. arpxmit can be called without RTNL or RCU protection. RCU protection is used to avoid potential Use-after-Allocation UAF vulnerabilities...

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

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/srpt: Do not register the event handler until the srpt device is fully set up. In rare cases, KASAN reports a use-after-free error in the srptrefreshport function. This appears to occur because the event handler is...

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: nbd: defer config put in recvwork There is one UAF issue in recvwork when running NBDCLEARSOCK and NBDCMDRECONFIGURE: - nbdgenlconnect // confref=2 connect and recvwork A - nbdopen // confref=3 - recvwork A completed //...

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

The Linux kernel before version 6.2.9 has a race condition, which can lead to a use-after-free issue in the driver/power/supply/da9150-charger.c file. This issue occurs when a physically nearby attacker disconnects a 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: blk-cgroup: Fixed a UAF in blkcgunpinonline. blkcgunpinonline traverses the blkcg hierarchy to set the object as online. To traverse this hierarchy, it uses blkcgparentblkcg, but this call occurs after blkcgDestroyBlksblkcg, whic...

Astra Linux – Vulnerability in Firefox

A use-after-free vulnerability was identified during testing, and it was traced to an outdated Cairo library. Updating the library resolved the issue, and it may have also addressed other unknown security vulnerabilities. This vulnerability affects Firefox versions earlier than 90...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: smb: Client: Fixed a potential Use-after-Free UAF in smb2isnetworknamedeleted. Skipped sessions that are being terminated status == SESEXITING to avoid UAF...

Astra Linux – Vulnerability in liblivemedia

Live555 version 1.08 does not handle Matroska and Ogg files properly. Sending two consecutive RTSP SETUP commands for the same track causes a Use-After-Free error and results in a crash of the daemon...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: - net: tls: Fixed a use-after-free issue related to partial reads and async decryption. tlsdecryptsg does not take a reference to the pages from clearskb. Therefore, the putpage function in tlsdecryptdone releases these pages,...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: afunix: Fixed a use-after-free in unixstreamreadactor. The syzbot reported the following crash 1. After releasing the unix socket lock, the u-oobskb can be changed by another thread. We must temporarily increase the skb refcou...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel before version 5.17.3, fs/iouring.c contains a use-after-free issue due to a race condition related to iouring timeouts. This issue can be triggered by a local user who does not have access to any user namespace. However, the race condition may only be exploited infrequently...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

The mm/rmap.c file in the Linux kernel before version 5.19.7 contains a use-after-free issue related to the double reuse of the leaf anonvma structure...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: vduse: It is necessary to hold the vduselock during the IDR lookup in the open path. The vdusedevopen function looks up the struct vdusedev through the IDR, and then acquires the dev-lock only after the vduselock has been release...

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

In the Linux kernel, the following vulnerabilities have been resolved: smb: client: fixed a use-after-free bug in cifsdebugdataprocShow Skipped SMB sessions that are being terminated e.g., @ses-sesstatus == SESEXITING in cifsdebugdataProcShow to avoid use-after-free issues with @ses. This fix...