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

In the Linux kernel, the following vulnerability has been resolved: nfsd: returns -EINVAL when namelen is 0 When we have a corrupted main.sqlite file in /var/lib/nfs/nfsdcld/, it may result in namelen being 0, which will cause memdupuser to return ZEROSIZEPTR. When we access the name.data that ha...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: mptcp: error out earlier on disconnect Eric reported a division by zero error in the MPTCP protocol: Oops: divide error: 0000 1 PREEMPT SMP KASAN PTI CPU: 1 UID: 0 PID: 6094 Comm: syz-executor317 Not tainted...

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: net/sched: schhfsc: Fixed an issue where a division by zero could occur in rtscmin. The m2sm function converts a u32 slope into a u64 scaled value. For large inputs e.g., when m1=4000000000, the result can reach 2^32. The...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: arkfb: Fixed a divide-by-zero bug in arksetpixclock Since the user can control the arguments of the ioctl function from the user space, there are special cases where a divide-by-zero bug may occur. For example, in:...

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: libnvdimm/labels: A divide error occurred in ndlabeldatainit. If a faulty CXL memory device returns a incorrect zero LSA size in its memory device information Identified Memory Device Opcode 4000h, CXL Specification 3.1,...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: dvb-usb: az6027: fix null-ptr-deref in az6027i2cxfer Wei Chen reported a kernel bug as follows: General protection fault, likely for non-canonical addresses. KASAN: Nullptrderef within the range...

Astra Linux – Vulnerability in DjVuLibre

A issue was discovered in IW44EncodeCodec.cpp within djvulibre 3.5.28, which allows attackers to cause a denial of service through division by zero...

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: pfifotailenqueue: Drop a new packet when sch-limit == 0. Expected behavior: If the scheduler’s limit is reached, pfifotailenqueue will drop a packet from the scheduler’s queue and decrease the scheduler’s qlen by one. Then, it wi...

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: drm/amd/display: Added a check for granularity in the dml ceil/floor helpers. Why The wrapper functions for dcnbwceil2 and dcnbwfloor2 should check that granularity is non-zero, to avoid assertion errors and divide-by-zero errors...

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: RDMA: hfi1: Fixed a potential divide-by-zero issue in findhwthreadmask. The function divides the number of online CPUs by numcoresiblings, and then checks if the result is zero. This could lead to a divide-by-zero runtime error...

Astra Linux - Vulnerability in libjdom1-java, libjdom2-java

A XXE vulnerability exists in SAXBuilder in JDOM through version 2.0.6, allowing attackers to cause a denial of service through a crafted HTTP request...

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: jfs: Truncating of good inode pages occurs when the hard link is 0. The value of the fileset for the inode copy from the disk by the reproducer is AGGRRESERVEDI. When evicting, its hard link number is 0, so its inode pages are no...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: In the BPF code, ensure that skb-len != 0 when redirecting a packet to a tunneling device. The syzkaller function managed to trigger another case where skb-len == 0 when entering devqueuexmit. WARNING: CPU: 0, PID: 2470; Location...

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

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: The default value of getbytesperelement has been set to 1. Variables that are used as denominators and may not be assigned to other values should not have a value of 0. bytesperelementy and bytesperelementc are...

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: HID: core: zero-initialize the report buffer. Since the report buffer is used by various drivers in various ways, let’s initialize it to zero during allocation, so that it cannot ever be used to leak kernel memory through special...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fixed the issue with mlx5ibgethwstats when used for devices. Currently, when mlx5ibgethwstats is used for a device where portnum = 0, there is a special handling to ensure that the correct counters are used. However,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net: Handling of integer overflows in kmallocreserve The committed change was as follows: c ptr = kmallocsize; if ptr size = ksizeptr; size = kmallocsizeroundupsize; ptr = kmallocsize; This caused various crashes, as reported ...

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: Staging: sm750fb – Fixed division by zero in pstohz. pstohz is called from hwsm750crtcsetmode, without verifying that pixclock is non-zero. A zero value of pixclock, passed via FBIOPUTVSCREENINFO, causes a division by zero. The...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Assign linearpitchalignment even for VM Description Assign linearpitchalignment to prevent division by zero errors in VM environments...

Astra Linux – Vulnerability in speex

A vulnerability involving division by zero in the static int readsamples function of Speex v1.2 allows attackers to cause a Denial-of-Service attack through a specially crafted WAV file...