Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: wan/fslucchdlc: Fixed the dmafreecoherent function in uhdlcmemclean. The priv-rxbuffer and priv-txbuffer are allocated together as contiguous buffers in uhdlcinit, but they are freed as two separate buffers in uhdlcmemclean...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: drm/buddy: This issue is prevented by validating the rounded allocation size. When DRMBUDDYCONTIGUOUSALLOCATION is set, the requested size is rounded up to the next power of two using rounduppowoftwo. Similarly, for non-contiguou...

CVE-2026-25800

Quinn is a pure-Rust, async-compatible implementation of the IETF QUIC transport protocol. Starting in version 0.1.0 and prior to version 0.11.15, the Assembler component that assembles unordered stream fragments into consecutive chunks of the stream incurs some overhead for non-contiguous...

DEBIAN-CVE-2026-25800

Quinn is a pure-Rust, async-compatible implementation of the IETF QUIC transport protocol. Starting in version 0.1.0 and prior to version 0.11.15, the Assembler component that assembles unordered stream fragments into consecutive chunks of the stream incurs some overhead for non-contiguous...

CVE-2026-25800

Quinn is a pure-Rust, async-compatible implementation of the IETF QUIC transport protocol. Starting in version 0.1.0 and prior to version 0.11.15, the Assembler component that assembles unordered stream fragments into consecutive chunks of the stream incurs some overhead for non-contiguous...

CVE-2026-41154 GPU DDK - Incorrect Index Calculation in CMA Cleanup Path of AllocOSPages_Sparse

Software installed and run as a non-privileged user may cause OOB kernel memory reads or writes through GPU API calls. When indexing pages larger than 4kB in the page freeing logic of the sparse memory implementation, incorrect buffer indexing leads to OOB access...

CVE-2026-42546

OP-TEE is a Trusted Execution Environment TEE designed as companion to a non-secure Linux kernel running on Arm; Cortex-A cores using the TrustZone technology. Starting in version 3.3.0 and prior to version 4.11.0, a resource leak exists in OP-TEE’s shared memory cleanup logic because the functio...

DEBIAN-CVE-2026-42546

OP-TEE is a Trusted Execution Environment TEE designed as companion to a non-secure Linux kernel running on Arm; Cortex-A cores using the TrustZone technology. Starting in version 3.3.0 and prior to version 4.11.0, a resource leak exists in OP-TEE’s shared memory cleanup logic because the functio...

UBUNTU-CVE-2026-42546

OP-TEE is a Trusted Execution Environment TEE designed as companion to a non-secure Linux kernel running on Arm; Cortex-A cores using the TrustZone technology. Starting in version 3.3.0 and prior to version 4.11.0, a resource leak exists in OP-TEE’s shared memory cleanup logic because the functio...

CVE-2026-42546

OP-TEE is a Trusted Execution Environment TEE designed as companion to a non-secure Linux kernel running on Arm; Cortex-A cores using the TrustZone technology. Starting in version 3.3.0 and prior to version 4.11.0, a resource leak exists in OP-TEE’s shared memory cleanup logic because the functio...

CVE-2026-42546

OP-TEE (Trusted Execution Environment for Arm TrustZone) prior to version 4.11.0 contains a resource leak in the shared memory cleanup path. Specifically, cleanup_shm_refs() in core/tee/entry_std.c fails to apply the OPTEE_MSG_ATTR_TYPE_MASK to parameter attributes when processing non-contiguous ...

EUVD-2026-41910

OP-TEE is a Trusted Execution Environment TEE designed as companion to a non-secure Linux kernel running on Arm; Cortex-A cores using the TrustZone technology. Starting in version 3.3.0 and prior to version 4.11.0, a resource leak exists in OP-TEE’s shared memory cleanup logic because the functio...

PT-2026-55975

Name of the Vulnerable Software and Affected Versions OP-TEE versions 3.3.0 through 4.10.x Description A resource leak exists in the shared memory cleanup logic of OP-TEE, a Trusted Execution Environment designed for Arm Cortex-A cores using TrustZone technology. The function cleanup shm refs in...

CVE-2026-53199

CVE-2026-53199 pertains to the Linux kernel hv_netvsc path, where netvsc_copy_to_send_buf previously used phys_to_virt() on page buffer PFNs and could fault when fragments referenced high mem/user pages on 32-bit x86 with HIGHMEM. The fix maps pages with kmap_local_page() and reconstructs native ...

PT-2026-64151

Name of the Vulnerable Software and Affected Versions Quinn versions 0.1.0 through 0.11.14 Description The Assembler component, which organizes unordered stream fragments into consecutive chunks, incurs significant overhead when processing non-contiguous fragments. When a reader accesses a...

Security Bulletin: IBM Cloud Pak for Data System (CPDS 1.0) is affected by multiple vulnerabilities in the cryptography package

Summary IBM Cloud Pak for Data System CPDS 1.0 uses the Python cryptography package, which is affected by multiple security vulnerabilities. CVE-2026-34073 involves improper certificate validation where DNS name constraints are only validated against SANs within child certificates and not the "pe...

cryptography: Cryptography: Buffer overflow via non-contiguous buffer in API

A flaw was found in the cryptography library. This vulnerability occurs when a non-contiguous buffer is passed to certain application programming interfaces APIs that accept Python buffers, such as Hash.update. A remote attacker could exploit this to cause a buffer overflow, potentially leading t...

cryptography: Cryptography: Buffer overflow via non-contiguous buffer in API

A flaw was found in the cryptography library. This vulnerability occurs when a non-contiguous buffer is passed to certain application programming interfaces APIs that accept Python buffers, such as Hash.update. A remote attacker could exploit this to cause a buffer overflow, potentially leading t...

SUSE CVE-2026-46066

In the Linux kernel, the following vulnerability has been resolved: ceph: fix numops off-by-one when crypto allocation fails movedirtyfolioinpagearray may fail if the file is encrypted, the dirty folio is not the first in the batch, and it fails to allocate a bounce buffer to hold the ciphertext...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: arm64: contpte: fixed the no-op check for SMMU/ATS faults in setaccessflags contpteptepsetaccessflags compares the gathered ptepget value with the requested entry to detect no-ops. ptepget ORs AF/dirty from all sub-PTEs in the CO...