Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ip: Fixed data races related to sysctlipfwdusepmtu. When reading from sysctlipfwdusepmtu, it can be changed concurrently. Therefore, we need to add a READONCE call to its readers...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: TCP: Fixed issues related to data races around sysctltcpmtuprobing. When reading sysctltcpmtuprobing, it can be changed concurrently. Therefore, we need to add READONCE to its readers...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ICMP: Fixed data races related to sysctl. When reading ICMP sysctl variables, they can be changed concurrently. Therefore, we need to add READONCE to avoid data races...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ubifswbufwritenolock: A read out-of-bounds issue exists in this function. This issue occurs when ubifswbufwritenolock attempts to access memory beyond the allocated bounds of the buffer buf. Here’s an example of how this issue...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: The IORINGOPREAD function did not correctly handle the provided buffer list when the read I/O operation returned a value less than 0 except for the -EAGAIN and -EIOCBQUEUED returns. This could lead to a potential “use-after-free”...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: media: venus: Fixed an issue where OOB reading occurred due to a missing payload-bound check. Currently, the eventseqchanged handler processes a variable number of properties sent by the firmware. The number of properties is...

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

In the Linux kernel, the following vulnerability has been resolved: md/raid10: fixed the incorrect setting of maxcorrreaderrors. There is no input validation when using the echo md/maxreaderrors command, and an overflow might occur. Add validation for the input number...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ipv4: iptunnel: A suspicious RCU usage warning was fixed in iptunnelinitflow. There are code paths where the function is called without holding the RCU read lock, resulting in a suspicious RCU usage warning 1. The issue was fixed...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: fixed an issue where an uninitialized pointer was freed during the readalloconename function. The readalloconename function does not initialize the name field of the passed fscryptstr structure if kmalloc fails to allocate...

Astra Linux – Vulnerability in Chromium

Insufficient data validation in Media in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to perform an out-of-bounds memory read via a crafted video file. Chromium security severity: Low...

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

In the Linux kernel, the following vulnerabilities have been resolved: bpf: Address the issue reported by KCSAN regarding bpflrulist. KCSAN reported a data-race when accessing node-ref. Although node-ref doesn’t need to be accurate, this opportunity can be used to use a more common READONCE and...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: pstore: Avoid kcore oops by using vmap with VMIOREMAP. An oops can occur when running ‘cat /proc/kcore /dev/null’ on devices that use pstore with the ram backend, because kmapatomic assumes that lowmem pages are accessible via va...

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

In the Linux kernel, the following vulnerability has been resolved: cgroup/cpuset: Prevent UAF in proccpusetshow A UAF can occur when reading /proc/cpuset, as reported in 1. This issue can be reproduced using the following methods: 1. Add an mdelay1000 before acquiring the cgrouplock in the...

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 enicsetvfport function assumes that the nl attribute IFLAPORTPROFILE has a length of PORTPROFILEMAX, and that the nl attributes IFLAPORTINSTANCEUUID and IFLAPORTHOSTUUID have a length of PORTUUIDMAX. These attributes are...

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

A flaw was discovered in the Netfilter subsystem of the Linux kernel. The sctpmtcheck function did not validate the flagcount field properly. This flaw allows a local privileged CAPNETADMIN attacker to trigger an out-of-bounds read, resulting in a system crash or the disclosure of sensitive...

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

A flaw was discovered in the XFRM subsystem of the Linux kernel. The specific flaw occurs during the processing of state filters, which can lead to a read of data beyond the end of an allocated buffer. This flaw allows a local privileged CAPNETADMIN attacker to trigger an out-of-bounds read,...

Astra Linux – Vulnerability in libx11

A vulnerability was discovered in libX11 due to a boundary condition within the XkbReadKeySyms function. This flaw allows a local user to trigger an out-of-bounds read error and read the contents of memory on the system...

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

In the Linux kernel, the following vulnerability has been resolved: wifi: wilc1000: A potential dereferencing issue with the RCU was fixed in the wilcparsejoinbssparam function. In the wilcparsejoinbssparam function, the TSF field of the ies structure is accessed after the RCU read-side critical...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: cachefiles: Set the object to close if ondemandid 0 in copen. If copen is called maliciously in user mode, it may delete the request corresponding to the random ID. Moreover, the request may not have been read yet...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ima: Avoid blocking in the RCU read-side critical section. A panic occurs in imamatchpolicy: BUG: Unable to handle a NULL pointer dereferencing in the kernel at 0000000000000010. PGD 42f873067 P4D 0 Oops: 0000 1 SMP NOPTI CPU:...