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: smb: Client – Reject descriptions of cifs.spnego in user space Descriptions of cifs.spnego keys contain fields that carry authority information, such as pid, uid, creduid, and upcalltarget. The cifs.upcall function treats these...

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/dpmst: Fixed the check on the length of the MST sideband message body. The issue involved checking the length of the MST sideband message body; it must be at least 1 byte, taking into account the message body CRC also known a...

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: usb: atm: cxacru: fixed a flaw in existing endpoint checks Syzbot once again identified a flaw in USB endpoint checking. See 1. This time, the issue stems from a commit authored by me 2eabb655a968, “usb: atm: cxacru: fix endpoint...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: hrtimers: Timers queued after CPUHPAPHRTIMERSDYING are forced to be migrated away from the dying CPU to any online target. This is done to avoid delaying bandwidth timer handling tasks related to CPU hotplug progress. However,...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ipv6: Ensure a sane device MTU in tunnels Another syzbot report 1 indicates a bug in the ip6gre tunnel device: dev:ip6gretap0. Since the ipv6 mcast code ensures that the dev-mtu is read once and a sanity check is performed on it...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: parisc: Revised getuser to probe user read access rights. Due to the way read access support is implemented, read access interruptions are only triggered at privilege levels 2 and 3. The kernel executes at privilege level 0, so...

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

In the Linux kernel, the following vulnerability has been resolved: Input: uinput – rejects requests with an unreasonable number of slots When using uinput, the syzkaller may attempt to set up a device with a very large number of slots, leading to a memory allocation failure in inputmtinitslots...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: aspeedudc: validate endpoint index for ast udc We should verify the binding of the array to ensure that the host cannot manipulate the index to point beyond the endpoint array. This issue was identified through a...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Fixed the issue with the ib block iterator counter overflow. When registering a new DMA MR after selecting the best aligned page size for it, we iterate over the given sglist to split each entry into smaller, aligned D...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: md: fixed the UAF issue when iterating the allmddevs list While iterating the allmddevs list from mdnotifyreboot and mdexit, the listforeachentry Safe mechanism is used. This can lead to a race condition with deletint, causing...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net/mlx5e: Fixed handling of incorrect devices during the bond netevent processing. The current implementation of the bond netevent handler only checks whether the handled netdev is a VF representative. However, there is no...

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

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsapi: Remove blockcb from driverlist before freeing it. The error handler of tcfblockBind frees the entire bo-cblist when an error occurs. However, by that time, instances of flowblockCB are already in the driverlist...

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

In the Linux kernel, the following vulnerability has been resolved: PowerPC architecture: Avoid using nmienter/nmiexit in real-mode interrupts. The nmienter/nmiexit functions access per-CPU variables, which can lead to a kernel crash when these functions are invoked during real-mode interrupt...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: xfrm/compat: prevented potential Spectre v1 exploits in xfrmxlate32attr int type = nlatypenla; if type XFRMAMAX return -EOPNOTSUPP; @type is then used as an array index and can be exploited as a Spectre v1 exploit. if nlalennl...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netdevsim: fixed a race condition related to operations on the bpfboundprogs list. The netdevsim driver lacks a protection mechanism for operations on the bpfboundprogs list. When the nsimbpfcreateprog function performs...

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: nilfs2: fixed possible integer overflows in nilfsfiemap. Since nilfsbmaplookupcontig in nilfsfiemap calculates its result by preparing to process up to maxblocks == INTMAX blocks, the value stored in n may experience an overflow...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fixed repeated calls to sockput when msg has moredata In the tcpbpfsendverdict redirection, the eval variable is assigned to SKREDIRECT after the applybytes data is sent. If msg has moredata, sockput will be called...

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

In the Linux kernel, the following vulnerability has been resolved: hwmon: axi-fan-control Fixed a possible NULL pointer dereferencing issue. axifancontrolirqhandler, which depends on the private axifancontroldata structure, might be called before the hwmon device is registered. This could lead t...

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: net/mlx5: Errors are now handled in mlx5chainscreatetable. In mlx5chainscreatetable, the return values of mlx5getfdbsubns and mlx5getflownamespace must be checked to prevent NULL pointer dereferences. If either function fails, th...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: fixed a use-after-free in twtimerhandler A real-world panic issue was discovered in Linux 5.4. The details of the issue are as follows: - Bug: Unable to handle a page fault for the address: ffffde49a863de28 - Memory layout:...