USN-751-1: Linux kernel vulnerabilities

NFS did not correctly handle races between fcntl and interrupts. A local attacker on an NFS mount could consume unlimited kernel memory, leading to a denial of service. Ubuntu 8.10 was not affected. CVE-2008-4307 Sparc syscalls did not correctly check mmap regions. A local attacker could cause a...

DSA-1749-1 linux-2.6 - several vulnerabilities

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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...

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...

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...

Null pointer dereference

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...

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...

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...

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...

Code injection

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...

Design/Logic Flaw

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...

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...

CVE-2009-0747

The CVE-2009-0747 issue affects the Linux kernel’s ext4_isize helper in fs/ext4/ext4.h, exposing a denial-of-service risk when a local user mounts a crafted ext4 filesystem. The vulnerability arises from using the i_size_high structure member during operations on arbitrary file types, potentially...

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...

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...

CVE-2009-0748

CVE-2009-0748 affects the Linux kernel: ext4_fill_super in fs/ext4/super.c fails to validate the superblock configuration, enabling a local attacker to trigger a NULL pointer dereference/OOPS when mounting a crafted ext4 filesystem. Impact is local denial of service. Affected ranges: Linux kernel...

CVE-2009-0746

The CVE-2009-0746 entry concerns the Linux kernel ext4 code: make_indexed_dir in fs/ext4/namei.c fails to validate a rec_len field, allowing a local attacker to trigger a denial of service (OOPS) by mounting a crafted ext4 filesystem. Affected is kernel 2.6.27 up to 2.6.27.19 and 2.6.28 up to 2.6...

Important: Red Hat Security Advisory: Red Hat Enterprise Linux 5.3 kernel security and bug fix update

Updated kernel packages that fix three security issues, address several hundred bugs and add numerous enhancements are now available as part of the ongoing support and maintenance of Red Hat Enterprise Linux version 5. This is the third regular update. This update has been rated as having importa...

DEBIAN-CVE-2023-53835

In the Linux kernel, the following vulnerability has been resolved: ext4: don't clear SBRDONLY when remounting r/w until quota is re-enabled When a file system currently mounted read/only is remounted read/write, if we clear the SBRDONLY flag too early, before the quota is initialized, and there ...