CVE-2023-2598

CVE-2023-2598 提权 通过CVE-2023-2598了解linux中的Compound Page和folio机制，后续看能否完成对1dayCVE-2023-6560的利用 Compound Pagehuge page 内存越来越大，但是linux的基础页分配单位还是4K变得捉襟见肘，因此引入复合页来解决这种问题，复合页其实就是把多个页当做一个集合，将两个或更多物理上连续的页面组合成一个单元，在许多方面可以将其视为单个更大的页面。它们最常用于创建大页面，在hugetlbfs或透明大页transparent huge...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098744)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098744 advisory. In the Linux kernel, the following vulnerability has been resolved: nfsd: nfsd4spomustallow must check this is a v4 compound request If the request being processed i...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fixed a potential out-of-bounds write issue in getfileallinfo for compound requests. When a compound request consists of QUERYDIRECTORY + QUERYINFO FILEALLINFORMATION, and the first command consumes nearly the entire...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: cifs: preventing use-after-free by freeing the cfile later. In smb2compoundop, there is a potential use-after-free that may lead to difficult debugging issues in the future. This issue was identified during stress testing with th...

Astra Linux – Vulnerability found in Linux 5.10, 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...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Validates the session ID and tree ID in compound requests. The function smb2getmsg in smb2getksmbdtcon and smb2checkusersession always returns the first command in a compound request’s headers. If SMB2TREECONNECTHE is the...

Astra Linux – Vulnerability in libgsf

There is an integer overflow vulnerability in the Compound Document Binary File format parser of the GNOME Project G Structured File Library libgsf version v1.14.52. A specially crafted file can lead to an integer overflow when processing the directory from the file, allowing an out-of-bounds ind...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: Fixed an issue where shareconf was freed after use, in compound requests. smb2getksmbdtcon reuses work-tcon in compound requests without validating tcon-tstate. ksmbdtreeconnlookup checks that tstate is equal to...

Astra Linux – Vulnerability in SQLite3

In SQLite version 3.31.1, the ALTER TABLE implementation contains a use-after-free issue, as demonstrated by an ORDER BY clause that belongs to a compound SELECT statement...

CVE-2026-72172

CVE-2026-72172 affects the Linux kernel, specifically the mm/mm_init path related to ZONE_DEVICE. The issue occurs when DAX memory is hotplugged into an unoccupied subsection of an early section, causing section_activate() to reuse the boot memmap while compound_nr_pages() assumes vmemmap optimiz...

ksmbd: validate compound request size before reading StructureSize2

...

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...

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...

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...