CVE-2024-42305

In the Linux kernel, the following vulnerability has been resolved: ext4: check dot and dotdot of dxroot before making dir indexed Syzbot reports a issue as follows: ============================================ BUG: unable to handle page fault for address: ffffed11022e24fe PGD 23ffee067 P4D...

CVE-2024-42305 ext4: check dot and dotdot of dx_root before making dir indexed

In the Linux kernel, the following vulnerability has been resolved: ext4: check dot and dotdot of dxroot before making dir indexed Syzbot reports a issue as follows: ============================================ BUG: unable to handle page fault for address: ffffed11022e24fe PGD 23ffee067 P4D...

CVE-2024-42305

In the Linux kernel, the following vulnerability has been resolved: ext4: check dot and dotdot of dxroot before making dir indexed Syzbot reports a issue as follows: ============================================ BUG: unable to handle page fault for address: ffffed11022e24fe PGD 23ffee067 P4D...

CVE-2024-42304 ext4: make sure the first directory block is not a hole

In the Linux kernel, the following vulnerability has been resolved: ext4: make sure the first directory block is not a hole The syzbot constructs a directory that has no dirblock but is non-inline, i.e. the first directory block is a hole. And no errors are reported when creating files in this...

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...

Linux Kernel make_indexed_dir()函数本地拒绝服务漏洞

BUGTRAQ ID: 33618 Linux Kernel是开放源码操作系统Linux所使用的内核。 Linux Kernel的fs/ext4/namei.c文件中的makeindexeddir函数没有正确地处理特制的Ext4文件系统镜像，加载恶意的镜像文件就可能触发分段错误，导致系统崩溃。 Linux kernel 2.6.x 厂商补丁： Linux ----- 目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载： http://kernel.org/pub/linux/kernel/v2.6/linux-2.6.27.14.tar.gz...

Linux Kernel 2.6.x - 'make_indexed_dir()' Local Denial of Service

source: https://www.securityfocus.com/bid/33618/info The Linux kernel is prone to a local denial-of-service vulnerability because it fails to properly handle malformed filesystem images. Attackers can exploit this issue to cause the kernel to crash, denying service to legitimate users. Note that ...