SharePoint-CVE-2025-53770-POC

OurSharePoint - CVE-2025-53770 PoC This is a simple C tool that builds a GZipped, Base64-encoded .NET DataSet payload using a LosFormatter-encoded inner payload. It's designed to help reproduce the SharePoint deserialization RCE chain described in public research. What it does You give it a...

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/rds: Handle the cleanup after a zerocopy send occurs, before the message is queued. A zerocopy send can fail after user pages have been pinned, but before the message is attached to the sending socket. The purge path currentl...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: cfg80211: The ID of the bound element is read when checking non-inheritance. The cfg80211iselementinherited function reads the first data octet of the candidate element id = elem-data0 in order to look it up in an extension...

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

In the Linux kernel, the following vulnerability has been resolved: net/rds: fixed the warning in rdsconnconnectifdown. If a connection is not established yet, getmr will fail, causing the connection to be initiated after getmr...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net/sched: taprio: avoid disabling offload when it was never enabled In a rather strange API design decision, qdisc-destroy is called even if qdisc-init never succeeded. This isn’t exclusive to the commit 87b60cfacf9f “netsched:...

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: um: net: Do not use drvdata in release. The drvdata is not available in the release version. We should use containerof to obtain the umlnet instance. Otherwise, removing a network device will result in a crash: RIP:...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: sched: flower: Protect flwalk with rcu. The patch that refactored flwalk to use idrforeachentrycontinueul also removed the rcu protection for individual filters. This caused a use-after-free when the filter was deleted...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: can: j1939: preventing deadlock by moving j1939skerrqueue This commit addresses a deadlock situation that can occur in certain scenarios, such as when running data TP/ETP transfers and subscribing to the error queue while...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net/smc: fixed a deadlock caused by canceldelayedworksyn The following LOCKDEP was detected: Workqueue: events smclgrfreework smc WARNING: a circular locking dependency was detected...

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: netsched: prio: fix a race in priotune Gerrard Tai reported a race condition in PRIO, whenever the SFQ perturb timer fires at the wrong time. The race occurs as follows: CPU 0 CPU 1 1: lock root 2: qdisctreeFlushBacklog 3: unlock...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: A bug was fixed regarding a skb leak during the flow key update process. The ovsctexecute function always steals or frees the skb upon failure, whereas ovsflowkeyupdate does not do this. Therefore, if the functi...

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

In the Linux kernel, the following vulnerability has been resolved: net: tun: Fix use-after-free in tundetach Syzbot reported a use-after-free in tundetach. This causes a call trace like the following: ================================================================== BUG: KASAN: use-after-free i...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: virtionet: Added a check for hashkeylength. A check for hashkeylength was added in virtnetprobe to avoid possible out-of-bounds errors when setting/read the hash key...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: In the net subsystem, the annotations for data-races around sk-skdataready,writespace have been updated. skmsg and possibly other layers are updating these pointers, while other CPUs may be reading them concurrently. Correspondin...

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: wan: farsync: Fix use-after-free bugs caused by unfinished tasklets When the FarSync T-series card is being detached, the fstcardinfo is deallocated in fstremoveone. However, the fsttxtask or fstinttask may still be running ...

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: netsched: clsflow: validate TCAFLOWRSHIFT attribute The syzbot found that the TCAFLOWRSHIFT attribute was not validated. Shifting a 32-bit integer is undefined for large shift values. UBSAN: Shift-out-of-bounds in...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/sched: taprio: extend minimum interval restriction to entire cycle too It is possible for syzbot to bypass the restriction imposed by the criticized commit in the “Fixes” tag, because the taprio UAPI allows a cycle time that ...

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: tun: limits the printing rate when an illegal packet is received by the tun device. vhostworker calls tun callbacks to receive packets. If too many illegal packets arrive, tundoread continues to dump the packet contents. When...

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: cgroup: Split cgroupdestroywq into 3 workqueues A hang can occur during 1 LTP cgroup testing when repeatedly mounting/unmounting perfevent and netprio controllers with systemd.unifiedcgrouphierarchy=1. The hang manifests in...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net/sched: schfq: Fix for integer overflow of “credit”. If schfq is configured with “initial quantum” values greater than INTMAX, the first assignment of “credit” will cause signed integer overflow, resulting in a very negative...