zerologon

CVE-2020-1472 aka Zerologon Exploit POC What is it? NetLogon MS-NRPC, can establish inter-domain control vulnerable security channel. It's possible to zero out the password for the machine account on domain controllers. Notes: DC will be semi broken while password is zero'ed out, however this...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: platform/chrome: crosectypec: Stale pointers have been set to zero. The function crostypecgetswitchhandles allocates four pointers when obtaining type-c switch handles. These pointers are all freed if none of them are obtained...

Linux Distros Unpatched Vulnerability : CVE-2026-81009

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - iouring/query: cap user size passed to copystructtouser iohandlequeryentry clamps hdr.size for the inbound copyfromuser but keeps the original user value as...

CVE-2026-81009

A flaw was found in the Linux kernel. The iouring/query interface, specifically within the iohandlequeryentry function, does not properly cap the user-provided size when zeroing memory. A local attacker can exploit this by sending a specially crafted query that requests an excessively large amoun...

CVE-2026-81009

In the Linux kernel, the following vulnerability has been resolved: iouring/query: cap user size passed to copystructtouser iohandlequeryentry clamps hdr.size for the inbound copyfromuser but keeps the original user value as usize. copystructtouser uses that usize and, when it is larger than the...

UBUNTU-CVE-2026-81009

In the Linux kernel, the following vulnerability has been resolved: iouring/query: cap user size passed to copystructtouser iohandlequeryentry clamps hdr.size for the inbound copyfromuser but keeps the original user value as usize. copystructtouser uses that usize and, when it is larger than the...

CVE-2026-81009

CVE-2026-81009 affects the Linux kernel in the io_uring/query subsystem. The function io_handle_query_entry() clamps hdr.size for the inbound copy_from_user() but retains the original user-supplied value as usize. When passed to copy_struct_to_user(), an oversized usize triggers clear_user() on t...

CVE-2026-81009 io_uring/query: cap user size passed to copy_struct_to_user

In the Linux kernel, the following vulnerability has been resolved: iouring/query: cap user size passed to copystructtouser iohandlequeryentry clamps hdr.size for the inbound copyfromuser but keeps the original user value as usize. copystructtouser uses that usize and, when it is larger than the...

CVE-2026-81009 io_uring/query: cap user size passed to copy_struct_to_user

In the Linux kernel, the following vulnerability has been resolved: iouring/query: cap user size passed to copystructtouser iohandlequeryentry clamps hdr.size for the inbound copyfromuser but keeps the original user value as usize. copystructtouser uses that usize and, when it is larger than the...

PT-2026-90139

In the Linux kernel, the following vulnerability has been resolved: io uring/query: cap user size passed to copy struct to user io handle query entry clamps hdr.size for the inbound copy from user but keeps the original user value as usize. copy struct to user uses that usize and, when it is larg...

AZL-99950 CVE-2026-80921 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: vsie: zero stale crypto bits When shadowing crypto access bits from a format0 apcb crycb 0 or 1, the bits 64..255 are unchanged from whatever is in the vsie page in the crycb and thus in the apcb. This gives a nested...

CVE-2026-80707 can: j1939: transport: j1939_session_fresh_new(): initialize receive buffer

In the Linux kernel, the following vulnerability has been resolved: can: j1939: transport: j1939sessionfreshnew: initialize receive buffer Zero the allocated buffer in j1939sessionfreshnew to ensure it contains no residual data. While there is a potential performance impact if users allocate...

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

In the Linux kernel, the following vulnerabilities have been resolved: hwrng: virtio – Fixed a race condition related to dataavail and actual data. The virtio rng device initiates a new entropy request whenever the data available becomes zero. When a new request occurs at the end of a read...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp – Use kzalloc for sev ioctl interfaces to prevent kernel memory leaks. For some sev ioctl interfaces, input data may be less than or equal to SEVFWBLOBMAXSIZE, but larger than the data returned by the PSP firmware. In...

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: light: vcnl4035: fix information leak in triggered buffer The “buffer” local array is used to push data to user space from a triggered buffer. However, it does not set an initial value for the single data element, which is a...

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

In the Linux kernel, the following vulnerability has been resolved: f2fs: The issue of information leakage in f2fsmoveInlinedirents has been fixed. When converting an inline directory to a regular one, f2fs leaks uninitialized memory to the disk because it does not initialize the entire directory...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mm: krealloc: Fixed an MTE false alarm in dokrealloc. This patch addresses an issue introduced by commit 1a83a716ec233, which caused MTE Memory Tagging Extension to falsely report a slab-out-of-bounds error. The problem occurs wh...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ath9khtc: fixed uninitialized values issues Syzbot reported 2 KMSAN bugs in ath9k. All of these bugs are caused by missing field initialization. In htcconnectservice, svcmetalen and pad are not initialized. Based on the code, ...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ocfs2: Fixed data corruption after conversion from inline format. The commit 6dbf7bb55598 “fs: Do not invalidate page buffers in blockwritefullpage” uncovered a latent bug in the conversion from inline inode format to a normal...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ext4: Fix for leaking uninitialized memory in the fast-commit journal When space at the end of the fast-commit journal blocks is unused, make sure to zero it out so that uninitialized memory is not leaked to the disk...