Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the improper order of calls to decpagecount in f2fscompresswriteendio. This could lead to accessi...

CVE-2023-54068

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix to call f2fswaitonpagewriteback in f2fswriterawpages BUGON will be triggered when writing files concurrently, because the same page is writtenback multiple times. 1597 void folioendwritebackstruct folio folio...

SUSE CVE-2023-54068

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix to call f2fswaitonpagewriteback in f2fswriterawpages BUGON will be triggered when writing files concurrently, because the same page is writtenback multiple times. 1597 void folioendwritebackstruct folio folio...

EUVD-2023-60258

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix to call f2fswaitonpagewriteback in f2fswriterawpages BUGON will be triggered when writing files concurrently, because the same page is writtenback multiple times. 1597 void folioendwritebackstruct folio folio...

CVE-2023-54068

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix to call f2fswaitonpagewriteback in f2fswriterawpages BUGON will be triggered when writing files concurrently, because the same page is writtenback multiple times. 1597 void folioendwritebackstruct folio folio...

CVE-2023-54068

Concrete details from connected documents show CVE-2023-54068 affecting Linux kernel with F2FS compression: the root cause is a writeback race that could trigger BUG_ON in mm/filemap.c when the same page is written back twice. The fix is to wait for the page to writeback in f2fs_write_raw_pages()...

CVE-2023-54068 f2fs: compress: fix to call f2fs_wait_on_page_writeback() in f2fs_write_raw_pages()

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix to call f2fswaitonpagewriteback in f2fswriterawpages BUGON will be triggered when writing files concurrently, because the same page is writtenback multiple times. 1597 void folioendwritebackstruct folio folio...

CVE-2023-54068 f2fs: compress: fix to call f2fs_wait_on_page_writeback() in f2fs_write_raw_pages()

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix to call f2fswaitonpagewriteback in f2fswriterawpages BUGON will be triggered when writing files concurrently, because the same page is writtenback multiple times. 1597 void folioendwritebackstruct folio folio...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-417711)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-417711 advisory. In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix to cover reserve,releasecompressblocks w/ cprwsem lock It needs to cover...

DEBIAN-CVE-2025-38627

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix UAF of f2fsinodeinfo in f2fsfreedic The decompressioctx may be released asynchronously after I/O completion. If this file is deleted immediately after read, and the kworker of processing postreadwq has not bee...

OESA-2024-1861 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix slab out of bounds write in smbinheritdacl slab out-of-bounds write is caused by that offsets is bigger than pntsd allocation size. This patch add the...

CVE-2024-34027

A vulnerability was found in the Flash-Friendly File System F2FS in the Linux kernel, where the reservecompressblocks and releasecompressblocks functions were not adequately protected by the cprwsem lock. This locking deficiency could lead to race conditions, potentially causing data corruption o...

Linux kernel security vulnerabilities

Linux kernel is the kernel used by the Linux Foundation's open source operating system Linux. A security vulnerability exists in the Linux kernel, which stems from a vulnerability in the f2fs:compress module...

SUSE CVE-2023-52852

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix to avoid use-after-free on dic Call trace: memcpy+0x128/0x250 f2fsreadmultipages+0x940/0xf7c f2fsmpagereadpages+0x5a8/0x624 f2fsreadahead+0x5c/0x110 pagecacheraunbounded+0x1b8/0x590...

SUSE CVE-2024-35844

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix reservecblocks counting error when out of space When a file only needs one directnode, performing the following operations will cause the file to be unrepairable: unisoc ./f2fsio compress test.apk unisoc df -h...

CVE-2024-35844

A vulnerability was found in the Linux kernel's Flash-Friendly File System F2FS, affecting the handling of compressed files. This issue involves an error in counting reserved blocks reservecblocks when the filesystem is out of space, and can lead to incorrect calculations of available space,...

CVE-2024-27034

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix to cover normal cluster write with cprwsem When we overwrite compressed cluster w/ normal cluster, we should not unlock cprwsem during f2fswriterawpages, otherwise data will be corrupted if partial blocks were...

DEBIAN-CVE-2024-27035

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix to guarantee persisting compressed blocks by CP If data block in compressed cluster is not persisted with metadata during checkpoint, after SPOR, the data may be corrupted, let's guarantee to write compressed...

CVE-2024-27034 f2fs: compress: fix to cover normal cluster write with cp_rwsem

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix to cover normal cluster write with cprwsem When we overwrite compressed cluster w/ normal cluster, we should not unlock cprwsem during f2fswriterawpages, otherwise data will be corrupted if partial blocks were...

CVE-2024-27034

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix to cover normal cluster write with cprwsem When we overwrite compressed cluster w/ normal cluster, we should not unlock cprwsem during f2fswriterawpages, otherwise data will be corrupted if partial blocks were...