SUSE CVE-2024-49960

In the Linux kernel, the following vulnerability has been resolved: ext4: fix timer use-after-free on failed mount Syzbot has found an ODEBUG bug in ext4fillsuper The deltimersync function cancels the serrreport timer, which reminds about filesystem errors daily. We should guarantee the timer is ...

SUSE CVE-2024-49870

In the Linux kernel, the following vulnerability has been resolved: cachefiles: fix dentry leak in cachefilesopenfile A dentry leak may be caused when a lookup cookie and a cull are concurrent: P1 | P2 ----------------------------------------------------------- cachefileslookupcookie...

SUSE CVE-2024-49883

In the Linux kernel, the following vulnerability has been resolved: ext4: aovid use-after-free in ext4extinsertextent As Ojaswin mentioned in Link, in ext4extinsertextent, if the path is reallocated in ext4extcreatenewleaf, we'll use the stale path and cause UAF. Below is a sample trace with dumm...

SUSE CVE-2024-49968

In the Linux kernel, the following vulnerability has been resolved: ext4: filesystems without casefold feature cannot be mounted with siphash When mounting the ext4 filesystem, if the default hash version is set to DXHASHSIPHASH but the casefold feature is not set, exit the mounting...

SUSE CVE-2024-49880

In the Linux kernel, the following vulnerability has been resolved: ext4: fix off by one issue in allocflexgd Wesley reported an issue: ================================================================== EXT4-fs dm-5: resizing filesystem from 7168 to 786432 blocks ------------ cut here -----------...

SUSE CVE-2024-49881

In the Linux kernel, the following vulnerability has been resolved: ext4: update origpath in ext4findextent In ext4findextent, if the path is not big enough, we free it and set origpath to NULL. But after reallocating and successfully initializing the path, we don't update origpath, in which case...

SUSE CVE-2024-49882

In the Linux kernel, the following vulnerability has been resolved: ext4: fix double brelse the buffer of the extents path In ext4exttrytomergeup, set path1.pbh to NULL after it has been released, otherwise it may be released twice. An example of what triggers this is as follows: split2 map split...

SUSE CVE-2024-49884

In the Linux kernel, the following vulnerability has been resolved: ext4: fix slab-use-after-free in ext4splitextentat We hit the following use-after-free: ================================================================== BUG: KASAN: slab-use-after-free in ext4splitextentat+0xba8/0xcc0 Read of...

SUSE CVE-2024-49889

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid use-after-free in ext4extshowleaf In ext4findextent, path may be freed by error or be reallocated, so using a previously saved ppath may have been freed and thus may trigger use-after-free, as follows: ext4splitextent...

SUSE CVE-2024-49983

In the Linux kernel, the following vulnerability has been resolved: ext4: drop ppath from ext4extreplayupdateex to avoid double-free When calling ext4forcesplitextentat in ext4extreplayupdateex, the 'ppath' is updated but it is the 'path' that is freed, thus potentially triggering a double-free i...

ROS-20241023-04

Vulnerability in ext4 component of Linux kernel is related to division by zero errors in function mbupdateavgfragmentsize in fs/ext4/mballoc.c. Exploitation of the vulnerability could allow an attacker to cause a denial of service A vulnerability in the fsl-qdma component of the Linux operating...

CVE-2024-50015

An inode corruption flaw was found in the Linux kernel's Ext4 file system functionality related to how a user can interrupt a write using the daxiomaprwfunction. This flaw allows a local user to make non-fatal mistakes with Ext4, leading to a file system denial of service...

CVE-2024-50006

In the Linux kernel, the following vulnerability has been resolved: ext4: fix idatasem unlock order in ext4indmigrate Fuzzing reports a possible deadlock in jbd2logwaitcommit. This issue is triggered when an EXT4IOCMIGRATE ioctl is set to require synchronous updates because the file descriptor is...

CVE-2024-49967

In the Linux kernel, the following vulnerability has been resolved: ext4: no need to continue when the number of entries is 1...

CVE-2024-49889

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid use-after-free in ext4extshowleaf In ext4findextent, path may be freed by error or be reallocated, so using a previously saved ppath may have been freed and thus may trigger use-after-free, as follows: ext4splitextent...

CVE-2024-49881

In the Linux kernel, the following vulnerability has been resolved: ext4: update origpath in ext4findextent In ext4findextent, if the path is not big enough, we free it and set origpath to NULL. But after reallocating and successfully initializing the path, we don't update origpath, in which case...

CVE-2024-49884

In the Linux kernel, the following vulnerability has been resolved: ext4: fix slab-use-after-free in ext4splitextentat We hit the following use-after-free: ================================================================== BUG: KASAN: slab-use-after-free in ext4splitextentat+0xba8/0xcc0 Read of...

CVE-2024-49983

In the Linux kernel, the following vulnerability has been resolved: ext4: drop ppath from ext4extreplayupdateex to avoid double-free When calling ext4forcesplitextentat in ext4extreplayupdateex, the 'ppath' is updated but it is the 'path' that is freed, thus potentially triggering a double-free i...

CVE-2024-49960

In the Linux kernel, the following vulnerability has been resolved: ext4: fix timer use-after-free on failed mount Syzbot has found an ODEBUG bug in ext4fillsuper The deltimersync function cancels the serrreport timer, which reminds about filesystem errors daily. We should guarantee the timer is ...

CVE-2024-49883

In the Linux kernel, the following vulnerability has been resolved: ext4: aovid use-after-free in ext4extinsertextent As Ojaswin mentioned in Link, in ext4extinsertextent, if the path is reallocated in ext4extcreatenewleaf, we'll use the stale path and cause UAF. Below is a sample trace with dumm...