Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

There is a null-pointer-dereference flaw found in f2fswriteendio in fs/f2fs/data.c in the Linux kernel. This flaw allows a local privileged user to cause a denial of service problem...

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 in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: “Revert ‘f2fs: fix to do sanity check on extent cache correctly’” The syzbot reports a bug in f2fs as follows: UBSAN: Array-index-out-of-bounds in fs/f2fs/f2fs.h:3275:19 Index 1409 is out of range for type ‘le32923’ aka ‘unsigned...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: f2fs: A sanity check was added for the block address in the f2fsdozerorange function. As reported by Yanming in Bugzilla: https://bugzilla.kernel.org/showbug.cgi?id=215894 I have encountered a bug in the F2FS file system in the...

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

In the Linux kernel, the following vulnerability has been resolved: f2fs: avoided format-overflow warnings With GCC and the W=1 option, there is a warning like this: fs/f2fs/compress.c: In the function ‘f2fsinitpagearraycache’: fs/f2fs/compress.c:1984:47: Error: The ‘%u’ directive is writing 1 to...

Astra Linux – Vulnerability in f2fs-tools

There is an exploitable information disclosure vulnerability in the devread functionality of F2fs-Tools F2fs.Fsck 1.13. A specially crafted f2fs filesystem can lead to an uninitialized read operation, resulting in information disclosure. An attacker can provide a malicious file to trigger this...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: fixed to avoid a use-after-free in f2fsstopgcthread. syzbot reports a f2fs bug as follows: dumpstack, lib/dumpstack.c:88 inline dumpstacklvl+0x241/0x360, lib/dumpstack.c:114 printreport+0xe8/0x550, mm/kasan/report.c:491...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: f2fs: The online repair mechanism for corrupted directories has been removed. The syzbot reports the following f2fs bug: Kernel BUG at fs/f2fs/inode.c:896! RIP: 0010:f2fsevict inode+0x1598/0x15c0 fs/f2fs/inode.c:896 Call trace:...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: f2fs: A fix was made to avoid the use of f2fsbugon in decvalidnodecount. As reported by Yanming in Bugzilla: https://bugzilla.kernel.org/showbug.cgi?id=215897 I have encountered a bug in the F2FS file system in the kernel version...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: Fixed an error in counting reservedcblocks when there is no space available. When a file requires only one directnode, performing the following operations will result in the file being unrecoverable: bash unisoc...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: f2fs: fixed the issue of tagging the “gcing” flag on the page during block migration. It is necessary to add the missing “gcing” flag on the page during block migration, in order to ensure that the migrated data is persisted duri...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: The WARNON message was removed from the f2fsisvalidblkaddr function. The Syzbot triggers two WARN messages in f2fsisvalidblkaddr and isbitmapvalid. For example, in f2fsisvalidblkaddr, if the type parameter is...

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

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: The “clear SBINLINECRYPT flag” in defaultoptions has been removed. In f2fsremount, the SBINLINECRYPT flag will be cleared and reset. If a new file is created or an existing file is opened during this period, these files...

Astra Linux – Vulnerability in f2fs-tools

There is an exploitable code execution vulnerability in the fsckchkorphannode functionality of the F2fs-Tools F2fs.Fsck 1.13. A specially crafted f2fs filesystem can lead to a heap buffer overflow, resulting in code execution. An attacker can provide a malicious file to trigger this vulnerability...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: f2fs: A sanity check was performed on curseg-alloctype. As Wenqing Liu reported in Bugzilla: https://bugzilla.kernel.org/showbug.cgi?id=215657 - Overview In the UBSAN library, an out-of-bounds access occurred at line 3460:2 in...

Astra Linux – Vulnerability in Linux, Linux 5.10

In f2fssetxattr in fs/f2fs/xattr.c in the Linux kernel, as of version 5.15.11, there is a potential for out-of-bounds memory access when an inode has an invalid last xattr entry...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: f2fs: A fix was made to perform a sanity check on the inlinedots inode. As Wenqing reported in Bugzilla: https://bugzilla.kernel.org/showbug.cgi?id=215765 This issue causes a kernel panic when performing the following actions: -...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: f2fs: A fix was made to perform a sanity check on totaldatablocks. As reported by Yanming in Bugzilla: https://bugzilla.kernel.org/showbug.cgi?id=215916 The kernel message is as follows: Kernel BUG at fs/f2fs/segment.c:2560! Call...

Linux Distros Unpatched Vulnerability : CVE-2026-68460

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - f2fs: fix potential deadlock in f2fsbalancefs When the f2fs filesystem space is nearly exhausted, we encounter deadlock issues as below: INFO: task A:1890 block...

CVE-2026-68460

A flaw was found in the Linux kernel's f2fs filesystem. When the filesystem space is nearly exhausted, a local attacker could trigger a deadlock within the f2fsbalancefs function. This can cause system tasks to become unresponsive, leading to a Denial of Service DoS condition...