The vulnerability of the fscrypt component in the Linux operating system’s kernel allows a hacker to trigger a service failure or increase their privileges.

The vulnerability of the fscrypt component in the Linux operating system’s kernel is related to the assignment of the zero pointer. Exploiting this vulnerability can allow an attacker to cause service failures or increase their privileges by revoking the keyrings used for encrypting ext4, f2fs, o...

K67830124: Linux kernel ext3/ext4 file system vulnerability CVE-2020-14314

Security Advisory Description A memory out-of-bounds read flaw was found in the Linux kernel before 5.9-rc2 with the ext3/ext4 file system, in the way it accesses a directory with broken indexing. This flaw allows a local user to crash the system if the directory exists. The highest threat from...

K06014092: E2fsprogs vulnerabilities CVE-2019-5094 and CVE-2019-5188

Security Advisory Description CVE-2019-5094 An exploitable code execution vulnerability exists in the quota file functionality of E2fsprogs 1.45.3. A specially crafted ext4 partition can cause an out-of-bounds write on the heap, resulting in code execution. An attacker can corrupt a partition to...

K61968355: Linux kernel vulnerability CVE-2017-7374

Security Advisory Description Use-after-free vulnerability in fs/crypto/ in the Linux kernel before 4.10.7 allows local users to cause a denial of service NULL pointer dereference or possibly gain privileges by revoking keyring keys being used for ext4, f2fs, or ubifs encryption, causing...

K04712583: Linux kernel vulnerability CVE-2021-40490

Security Advisory Description A race condition was discovered in ext4writeinlinedataend in fs/ext4/inline.c in the ext4 subsystem in the Linux kernel through 5.13.13. CVE-2021-40490 Impact An attacker may be able to access shared resources by way of untrusted code sequences. Security Advisory...

K94735334: Linux kernel vulnerability CVE-2018-10883

Security Advisory Description A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause an out-of-bounds write in jbd2journaldirtymetadata, a denial of service, and a system crash by mounting and operating on a crafted ext4 filesystem image. CVE-2018-10883 Impact A local user...

SUSE CVE-2009-0745

The ext4groupadd function in fs/ext4/resize.c in the Linux kernel 2.6.27 before 2.6.27.19 and 2.6.28 before 2.6.28.7 does not properly initialize the group descriptor during a resize aka resize2fs operation, which might allow local users to cause a denial of service OOPS by arranging for crafted...

SUSE CVE-2009-0748

The ext4fillsuper function in fs/ext4/super.c in the Linux kernel 2.6.27 before 2.6.27.19 and 2.6.28 before 2.6.28.7 does not validate the superblock configuration, which allows local users to cause a denial of service NULL pointer dereference and OOPS by attempting to mount a crafted ext4...

SUSE CVE-2009-0747

The ext4isize function in fs/ext4/ext4.h in the Linux kernel 2.6.27 before 2.6.27.19 and 2.6.28 before 2.6.28.7 uses the isizehigh structure member during operations on arbitrary types of files, which allows local users to cause a denial of service CPU consumption and error-message flood by...

SUSE CVE-2009-0746

The makeindexeddir function in fs/ext4/namei.c in the Linux kernel 2.6.27 before 2.6.27.19 and 2.6.28 before 2.6.28.7 does not validate a certain reclen field, which allows local users to cause a denial of service OOPS by attempting to mount a crafted ext4 filesystem...

SUSE CVE-2009-4131

The EXT4IOCMOVEEXT aka move extents ioctl implementation in the ext4 filesystem in the Linux kernel before 2.6.32-git6 allows local users to overwrite arbitrary files via a crafted request, related to insufficient checks for file permissions...

SUSE CVE-2009-4306

Unspecified vulnerability in the EXT4IOCMOVEEXT aka move extents ioctl implementation in the ext4 filesystem in the Linux kernel 2.6.32-git6 and earlier allows local users to cause a denial of service filesystem corruption via unknown vectors, a different vulnerability than CVE-2009-4131...

SUSE CVE-2009-4308

The ext4decodeerror function in fs/ext4/super.c in the ext4 filesystem in the Linux kernel before 2.6.32 allows user-assisted remote attackers to cause a denial of service NULL pointer dereference, and possibly have unspecified other impact, via a crafted read-only filesystem that lacks a journal...

SUSE CVE-2009-4307

The ext4fillflexinfo function in fs/ext4/super.c in the Linux kernel before 2.6.32-git6 allows user-assisted remote attackers to cause a denial of service divide-by-zero error and panic via a malformed ext4 filesystem containing a super block with a large FLEXBG group size aka sloggroupsperflex...

SUSE CVE-2010-2066

The mextcheckarguments function in fs/ext4/moveextent.c in the Linux kernel before 2.6.35 allows local users to overwrite an append-only file via a MOVEEXT ioctl call that specifies this file as a donor...

SUSE CVE-2010-3015

Integer overflow in the ext4extgetblocks function in fs/ext4/extents.c in the Linux kernel before 2.6.34 allows local users to cause a denial of service BUG and system crash via a write operation on the last block of a large file, followed by a sync operation...

SUSE CVE-2011-2493

The ext4fillsuper function in fs/ext4/super.c in the Linux kernel before 2.6.39 does not properly initialize a certain error-report data structure, which allows local users to cause a denial of service OOPS by attempting to mount a crafted ext4 filesystem...

SUSE CVE-2011-2695

Multiple off-by-one errors in the ext4 subsystem in the Linux kernel before 3.0-rc5 allow local users to cause a denial of service BUGON and system crash by accessing a sparse file in extent format with a write operation involving a block number corresponding to the largest possible 32-bit unsign...

SUSE CVE-2011-3638

fs/ext4/extents.c in the Linux kernel before 3.0 does not mark a modified extent as dirty in certain cases of extent splitting, which allows local users to cause a denial of service system crash via vectors involving ext4 umount and mount operations...

SUSE CVE-2011-4086

The journalunmapbuffer function in fs/jbd2/transaction.c in the Linux kernel before 3.3.1 does not properly handle the Delay and Unwritten buffer head states, which allows local users to cause a denial of service system crash by leveraging the presence of an ext4 filesystem that was mounted with ...