Astra Linux – Vulnerability in TIF format

LibTIFF 4.4.0 contains an out-of-bounds read in tiffcp, located at line 948 of tools/tiffcp.c. This vulnerability allows attackers to cause a denial-of-service attack through a specially crafted TIFF file. For users who compile LibTIFF from source code, the fix is available in the commit with the...

Astra Linux – Vulnerability in TIF format

LibTIFF 4.4.0 contains an out-of-bounds read vulnerability in tiffcrop, located at line 3701 of tools/tiffcrop.c. This vulnerability allows attackers to cause a denial-of-service attack through a malicious tiff file. For users who compile LibTIFF from source code, the fix is available in the comm...

Astra Linux – Vulnerability in TIF format

In libtiff version 4.3.0, the unchecked dereference of a return value can allow attackers to trigger a denial-of-service attack through a crafted TIF file. For users who compile libtiff from source code, this issue has been fixed in the commit f2b656e2...

Astra Linux – Vulnerability in TIF format

The "Divide By Zero" error in tiffcrop in libtiff 4.3.0 allows attackers to cause a denial-of-service attack through a crafted TIF file. For users who compile libtiff from source code, the fix is available in the commit f8d0f9aa...

Astra Linux – Vulnerability in Linux 5.10

iouring uses workFlags to determine which identities need to be retrieved from the calling process, ensuring that they are consistent with the calling process when executing IORINGOP. Some operations lack certain types, which can lead to incorrect reference counts, potentially resulting in a...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: dmaengine: qcom: bamdma: fix runtime PM underflow The commit dbad41e7bb5f “dmaengine: qcom: bamdma: check if the runtime pm enabled” caused unbalanced pmruntimeget/put calls when the bam was controlled remotely. This commit rever...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ext4: Regenerate the buddy structure after block freeing fails when under fc replay. This fix primarily reverts to commit 6bd97bf273bd “ext4: Remove redundant mbregeneratebuddy”, and reintroduces the function mbregeneratebuddy...

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

A use-after-free vulnerability exists in the netfilter component of the Linux kernel’s nftables module, which can be exploited to achieve local privilege escalation. The nftverdictinit function allows positive values to be used as drop errors within the hook verdict. As a result, the nfhookslow...

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

A use-after-free vulnerability exists in the netfilter component of the Linux kernel’s nftables module, which can be exploited to achieve local privilege escalation. The nftpipapowalk function does not skip inactive elements during the set walk operation, which can result in double deactivation o...

Astra Linux – Vulnerability in TIF format

The "Divide By Zero" error in tiffcrop in libtiff 4.4.0 allows attackers to cause a denial-of-service attack through a crafted TIF file. For users who compile libtiff from source code, the fix is available in the commit f3a5e010...

Astra Linux – Vulnerability in TIF format

The "Divide By Zero" error in tiffcrop in libtiff 4.4.0 allows attackers to cause a denial-of-service attack through a crafted TIF file. For users who compile libtiff from source code, the fix is available in the commit f3a5e010...

Astra Linux – Vulnerability in TIF format

The "Divide By Zero" error in tiffcrop in libtiff 4.4.0 allows attackers to cause a denial-of-service attack through a crafted TIF file. For users who compile libtiff from source code, the fix is available in the commit f3a5e010...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ext4: Publish jinode after initialization The ext4inodeattachjinode function publishes ei-jinode to concurrent users. It used to set ei-jinode before jbd2journalinitjbd inode, allowing a reader to observe a non-NULL jinode with...

Astra Linux – Vulnerability in Linux 6.1

A use-after-free vulnerability in the Linux kernel’s fs/smb/client component can be exploited to gain local privilege escalation. In the event of an error in smb3fscontextParseparam, the ctx-password variable is freed, but the variable is not set to NULL, which could lead to a double-free. We...

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

A use-after-free vulnerability exists in the net/sched:clsfw component of the Linux kernel, which can be exploited to achieve local privilege escalation. If the tcfchangeindev function fails, fwsetparms will immediately return an error after incrementing or decrementing the reference counter in...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ext4: Fixed errors caused by “off-by-one” values when filling blocks with tlv entries during fast-commit operations. Due to several “off-by-one” errors, or perhaps due to a late change in design that wasn’t fully reflected in...

Astra Linux – Vulnerability in TIF format

LibTIFF 4.4.0 contains an out-of-bounds write vulnerability in TIFFmemcpy in libtiff/tifunix.c:346, when called from extractImageSection, located at tools/tiffcrop.c:6860. This vulnerability allows attackers to cause a denial-of-service attack through a crafted TIF file. For users who compile...

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

There is a use-after-free in iouring in the Linux kernel. The signalfdpoll and binderpoll functions use a waitqueue whose lifetime is the current task. The waitqueue will send a POLLFREE notification to all waiters before it is freed. Unfortunately, the iouring poll does not handle POLFREE. This...

Astra Linux – Vulnerability in Linux

The bpf verifier in the Linux kernel failed to properly handle truncation of the mod32 destination register when the source register was known to be 0. A local attacker who had the ability to load bpf programs could exploit this vulnerability by performing out-of-bounds reads in kernel memory,...