Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: nfsd: never defer requests during idmap lookup During the decoding of v4 request compound arguments, certain operations e.g., SETATTR can trigger idmap lookup upcalls. When the responses to these upcalls are delayed beyond the...

SUSE CVE-2026-64578

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate compound request size before reading StructureSize2 When ksmbd validates a compound chained SMB2 request, ksmbdsmb2checkmessage reads pdu-StructureSize2 without first checking that the compound element is large...

CVE-2026-64578

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate compound request size before reading StructureSize2 When ksmbd validates a compound chained SMB2 request, ksmbdsmb2checkmessage reads pdu-StructureSize2 without first checking that the compound element is large...

UBUNTU-CVE-2026-64578

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate compound request size before reading StructureSize2 When ksmbd validates a compound chained SMB2 request, ksmbdsmb2checkmessage reads pdu-StructureSize2 without first checking that the compound element is large...

CVE-2026-64578

Summary: CVE-2026-64578 affects the ksmbd component of the Linux kernel. A vulnerability exists where ksmbd_smb2_check_message() reads the 2-byte StructureSize2 field at offset 64 of an SMB2 compound element without first ensuring the element is large enough. An attacker can craft a compound SMB2...

CVE-2026-64578

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate compound request size before reading StructureSize2 When ksmbd validates a compound chained SMB2 request, ksmbdsmb2checkmessage reads pdu-StructureSize2 without first checking that the compound element is large...

CVE-2026-64578 ksmbd: validate compound request size before reading StructureSize2

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate compound request size before reading StructureSize2 When ksmbd validates a compound chained SMB2 request, ksmbdsmb2checkmessage reads pdu-StructureSize2 without first checking that the compound element is large...

EUVD-2026-53272

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate compound request size before reading StructureSize2 When ksmbd validates a compound chained SMB2 request, ksmbdsmb2checkmessage reads pdu-StructureSize2 without first checking that the compound element is large...

CVE-2026-64578 ksmbd: validate compound request size before reading StructureSize2

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate compound request size before reading StructureSize2 When ksmbd validates a compound chained SMB2 request, ksmbdsmb2checkmessage reads pdu-StructureSize2 without first checking that the compound element is large...

SUSE CVE-2026-64381

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix next buffer leak in receiveencryptedstandard receiveencryptedstandard allocates nextbuffer before checking whether the number of compound PDUs already reached MAXCOMPOUND. If the limit check fails, the function...

CVE-2026-64381

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix next buffer leak in receiveencryptedstandard receiveencryptedstandard allocates nextbuffer before checking whether the number of compound PDUs already reached MAXCOMPOUND. If the limit check fails, the function...

UBUNTU-CVE-2026-64381

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix next buffer leak in receiveencryptedstandard receiveencryptedstandard allocates nextbuffer before checking whether the number of compound PDUs already reached MAXCOMPOUND. If the limit check fails, the function...

EUVD-2026-48925

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix next buffer leak in receiveencryptedstandard receiveencryptedstandard allocates nextbuffer before checking whether the number of compound PDUs already reached MAXCOMPOUND. If the limit check fails, the function...

CVE-2026-64381 smb: client: Fix next buffer leak in receive_encrypted_standard()

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix next buffer leak in receiveencryptedstandard receiveencryptedstandard allocates nextbuffer before checking whether the number of compound PDUs already reached MAXCOMPOUND. If the limit check fails, the function...

CVE-2026-64381

The CVE-2026-64381 issue is in the Linux kernel SMB client code path used by receive_encrypted_standard()/receive encrypted standard(): a next_buffer is allocated before validating that the number of compound PDUs has not exceeded MAX_COMPOUND. If the limit check fails, the function returns early...

Linux Distros Unpatched Vulnerability : CVE-2026-64381

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smb: client: Fix next buffer leak in receiveencryptedstandard receiveencryptedstandard allocates nextbuffer before checking whether the number of compound PDUs...

UBUNTU-CVE-2026-13055

The $internalIndexKey aggregation expression can be used by any authenticated user to crash a MongoDB server mongod. The expression fails to handle compound wildcard index specifications, triggering an internal consistency check that aborts the server process. The user must be able to run an...

CVE-2026-13055 Server crash via aggregation pipeline expression with compound wildcard index specification

The $internalIndexKey aggregation expression can be used by any authenticated user to crash a MongoDB server mongod. The expression fails to handle compound wildcard index specifications, triggering an internal consistency check that aborts the server process. The user must be able to run an...

CVE-2026-13055

The CVE concerns MongoDB Server (mongod) where the query expression $_internalIndexKey in an aggregation pipeline can crash the server. The root cause is improper handling of compound wildcard index specifications, triggering an internal consistency check that aborts the server process. The vulne...

CVE-2026-13055

The $internalIndexKey aggregation expression can be used by any authenticated user to crash a MongoDB server mongod. The expression fails to handle compound wildcard index specifications, triggering an internal consistency check that aborts the server process. The user must be able to run an...