kernel: ext4: fix uninitialized ratelimit_state->lock access in __ext4_fill_super()

A vulnerability was found in the Linux kernel's ext4 filesystem within the ext4fillsuper function, where uninitialized access to ratelimitstate-lock can occur, where the sysfs interface is registered before properly initializing rs-lock, potentially allowing other processes to modify rs-interval ...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

kernel: ext4: fix uninitialized ratelimit_state->lock access in __ext4_fill_super()

A vulnerability was found in the Linux kernel's ext4 filesystem within the ext4fillsuper function, where uninitialized access to ratelimitstate-lock can occur, where the sysfs interface is registered before properly initializing rs-lock, potentially allowing other processes to modify rs-interval ...

kernel: ext4: fix uninitialized ratelimit_state->lock access in __ext4_fill_super()

A vulnerability was found in the Linux kernel's ext4 filesystem within the ext4fillsuper function, where uninitialized access to ratelimitstate-lock can occur, where the sysfs interface is registered before properly initializing rs-lock, potentially allowing other processes to modify rs-interval ...

kernel: ovl: fix use after free in struct ovl_aio_req

A use-after-free flaw was found in the Linux kernel’s Ext4 File System in how a user triggers several file operations simultaneously with the overlay FS usage. This flaw allows a local user to crash or potentially escalate their privileges on the system. Only if patch 9a2544037600 "ovl: fix use...

ALSA-2024:8617 Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: hw: cpu: intel: Native Branch History Injection BHI CVE-2024-2201 kernel: tcp: add sanity checks to rx zerocopy CVE-2024-26640 kernel: mptcp: fix data re-injection from stale subflow CVE-2024-268...

Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: hw: cpu: intel: Native Branch History Injection BHI CVE-2024-2201 kernel: tcp: add sanity checks to rx zerocopy CVE-2024-26640 kernel: mptcp: fix data re-injection from stale subflow CVE-2024-268...

ROS-20241028-03

The vulnerability of the quota component of the Linux kernel is related to the NULL pointer dereferencing in the functions dquotmarkdquotdirty, dquotallocspace, dquotallocinode, EXPORTSYMBOL, dquotclaimspacenodirty, dquotreclaimspacenodirty, dquotfreespace, dquotfreeinode, and dquottransfer in...

SUSE CVE-2024-49875

In the Linux kernel, the following vulnerability has been resolved: nfsd: map the EBADMSG to nfserrio to avoid warning Ext4 will throw -EBADMSG through ext4readdir when a checksum error occurs, resulting in the following WARNING. Fix it by mapping EBADMSG to nfserrio. nfsdbufferedreaddir iterated...

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...