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: net: arcnet: com20020: Fixed nullptrderef in com20020pciprobe During driver initialization, the pointer to card info is required—specifically, the variable ‘ci’. However, the definition of ‘com20020pciidtable’ indicates that this...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

A issue was discovered in the Linux kernel before version 6.0.11. Missing validation of the number of channels in the drivers/net/wireless/microchip/wilc1000/cfg80211.c file in the WILC1000 wireless driver can lead to a heap-based buffer overflow when copying the list of operating channels from...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: KVM: nSVM: Loads the TSC multiplier of L1 based on L1’s state, not L2’s state. When emulating a nested VM-Exit, the TSC multiplier of L1 is loaded if L1’s desired ratio does not match the current ratio. This does not occur if L1’...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ALSA: jack: Access to inputdev under a mutex It is possible when using ASoC that the inputdev is not properly registered while calling sndjackreport, which can lead to a NULL pointer derefrence. To prevent this type of serialized...

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: iio: imu: kmx61: fixed information leakage in the triggered buffer. The “buffer” local array is used to push data to user space from a triggered buffer. However, it does not set values for inactive channels, as it only uses...

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: drm/amd/display: Fixed an out-of-bounds access in ‘dcn21linkencodercreate’. An issue was identified in the dcn21linkencodercreate function, where an out-of-bounds access could occur when the hpdsource index was used to reference...

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: blk-iocost: Do not issue a warning if iocg was already offline. In iocgpaydebt, a warning is triggered if ‘activelist’ is empty. This is intended to confirm that iocg is active when it has debts. However, a warning can still be...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Corrected the migration DMA map direction The SVM DMA device map direction should be set the same as the DMA unmap setting; otherwise, the DMA core will report the following warning. Before finalizing this solution,...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: hisisas: The pointer to debugfsdir is set to NULL after removing debugfs. If init debugfs fails during device registration due to a memory allocation failure, the function debugfsremoverecursive is called. However, debugfsd...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nftables – A possible module reference underflow in the error path. The dst-ops field is set when nftexprclone fails, but the module reference count has not been updated yet. As a result, nftexprdestroy causes a...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm/meson: Fixed refcount bugs in mesonvpuhasavailableconnectors In this function, there are two refcount leak bugs: 1 When breaking out of foreachendpointofnode, we need to call ofnodeput for the ‘ep’; 2 We should call...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: BPF: The %p% format string is rejected in bprintf-like helpers. static const char fmt = "%p%"; bpfTracePrintkkernel, fmt, sizeoffmt; The above BPF program is not rejected, but it causes a kernel warning at runtime: “Please remove...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ipvs: fixed an warning in ipvscleanupbatch. During the initialization of ipvsconnnetinit, if the files ipvsconn or ipvsconnsync fail to be created, the initialization is successful by default. Therefore, the ipvsconn or...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ipv4: Prevent potential spectre v1 gadgets in ipmetricsconvert if !type continue; if type RTAXMAX return -EINVAL; ... metricstype - 1 = val; @type is used as an array index, and we need to prevent CPU speculation or risk leaking...

Astra Linux – Vulnerability in Linux

The net/nfc/llcpsock.c file in the Linux kernel before version 5.12.10 allowed local unprivileged users to cause a denial of service by making a getsockname call after a certain type of failure in a bind call. This vulnerability results in NULL pointer dereferencing and other bugs...

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

In the Linux kernel, the following vulnerability has been resolved: Media: PCI: cx23885: Check cx23885vdevinit return. cx23885vdevinit may return a NULL pointer, but that pointer is used in the next line without any checks. Add a NULL pointer check, and proceed with error unwinding if the pointer...

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: net: rose: Fix for timer race conditions against user threads. The Rose timers only acquire the socket spinlock, without checking whether the socket is owned by a specific user thread. Add a check and reinitialize the timers i...

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

In the Linux kernel, the following vulnerabilities have been resolved: BPF, skmsg: Fixed NULL pointer dereferencing in skpsockskbingressenqueue. Fixed NULL pointer race conditions in skpsockskbingressenqueue, as reported by syzbot 1. 1 BUG: KCSAN: Data race in skpsock Drop and...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: s390/qeth: Fixed a kernel panic that occurred after setting the hsuid attribute. Symptom: When the hsuid attribute is set for the first time on an IQD Layer3 device, while the corresponding network interface is already up, the...