Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: powerpc/64s: Fixed the program check interrupt emergency stack path issue. The emergency stack path was jumping into a 3: label within the GENCOMMONBODY macro for the normal path after it had finished, rather than jumping over...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: - In the net subsystem, sfc: added missing xdp queue reinitialization after changing the rx/tx ring buffer size. When acting as XDPTX or XDPREDIRECT, the kernel panics if the xdp queues are not reinitialized properly...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: XDP: Use the flags field to disambiguate broadcast redirections When redirecting a packet using XDP, the bpfredirectmap helper function sets the redirection destination information in the struct bpfredirectinfo structure using th...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: PID: Taking a reference when initializing cadpid During boot, kernelinitfreeable initializes cadpid to the struct pid of the init task. Later, we may change cadpid via sysctl. When this happens, procdocadpid will increment the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: In mm/hugetlb, do not call vmaaddreservation when ENOMEM is encountered. sysbot reported a segmentation fault 1 in unmaphugepagerange. This occurs because vmaneedsreservation may return -ENOMEM if allocatefileregionentries fails ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: A bug related to the missing hugetlblock during resv uncharge has been fixed. There is a recent report regarding operations using UFFDIOCOPY over hugetlb:...

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

In the Linux kernel, the following vulnerability has been resolved: schhfsc: The bug related to qlen accounting was fixed when using peek in hfscenqueue. When enqueuing the first packet to an HFSC class, hfscenqueue calls the peek operation of the child qdisc before incrementing sch-q.qlen and...

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

In the Linux kernel, the following vulnerability has been resolved: media: av7110: prevent underflow in writetstodecoder The value of buf4 comes from the user via tsplay. This value is within the u8 range. The final length that we pass to av7110ipackinstantrepack is “len – buf4 + 1 – 4”. Therefor...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/panthor: Fixed a race condition when gathering fdinfo group samples The commit e16635d88fa0 "drm/panthor: add DRM fdinfo support" failed to protect access to groups using an xarray lock, which could lead to use-after-free...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: sched/core: Do not requeue tasks on CPUs excluded from cpusmask. The following warning was triggered on a large machine during boot time in a distribution kernel; the same issue should also affect the mainline version of the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: arm64: mm: Handle invalid large leaf mappings correctly It has been possible for a long time to mark ptes in the linear map as invalid. This is done for secretmem, kfence, realm dma memory un/share, and others, by simply clearing...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: wl1251: Dynamic allocation of memory used for DMA. With the introduction of vmap-ed stacks, stack parameters can no longer be used for DMA, which can now lead to kernel panic. This issue occurs in several locations related to...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: sockmap: Avoid a race condition between sockmapclose and skpsockput. skpsockget will return NULL if the reference count of psock reaches 0, which will happen when the last call to skpsockput is completed. However, skpsockdrop may...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: xfrm: The interface function xfrmichangelink may incorrectly place the special interface xi in the xfrminet-xfrmi hash. This issue occurs because the check to enforce this behavior is only performed in cases where the xi value is...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: rustbinder: Calling setnotificationdone without holding the proc lock. Consider the following sequence of events when a death listener is triggered: 1. The remote process dies and sends a BRDEADBINDER message. 2. The local proces...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: md: Do not set mddev’s private field to NULL in raid0 with pers-free. In a normal stop process, the following sequence of operations occurs: domdstop | mdstop pers-free; mddev-private=NULL | mdfree free mddev The mdstop function...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: drm/amdgpu: fixed the call order in amdgputtmmove v2. This resolves issue with drm/amdgpu: fixing the ftrace event where amdgpuboMove always moves objects on the same heap. The fundamental problem is that after the move, the o...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: A upper bound check has been added to user inputs in the signal ioctl function. Large input values in amdgpuuserqsignalioctl can lead to a Out-of-Memory OOM condition, and this vulnerability could be exploited...

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: Wifi: ath9k – Avoid referencing uninitialized memory in ath9kwmictrlrx. For the same reasons described in commit b383e8abed41 “Wifi: ath9k – Avoid uninitialized memory reading in ath9khtcrxmsg”, ath9khtcrxmsg should validate the...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: x86/hyperv: Fixed a NULL dereferencing in sethvtscchangecb if the Hyper-V setup fails. Checked for a valid hvvpindex array before dereferencing hvvpindex when setting Hyper-V’s TSC change callback. If Hyper-V setup fails in...