DEBIAN-CVE-2022-49348

In the Linux kernel, the following vulnerability has been resolved: ext4: filter out EXT4FCREPLAY from on-disk superblock field sstate The EXT4FCREPLAY bit in sbi-smountstate is used to indicate that we are in the middle of replay the fast commit journal. This was actually a mistake, since the...

DEBIAN-CVE-2022-49262

In the Linux kernel, the following vulnerability has been resolved: crypto: octeontx2 - remove CONFIGDMCRYPT check No issues were found while using the driver with dm-crypt enabled. So CONFIGDMCRYPT check in the driver can be removed. This also fixes the NULL pointer dereference in driver release...

UBUNTU-CVE-2022-49262

In the Linux kernel, the following vulnerability has been resolved: crypto: octeontx2 - remove CONFIGDMCRYPT check No issues were found while using the driver with dm-crypt enabled. So CONFIGDMCRYPT check in the driver can be removed. This also fixes the NULL pointer dereference in driver release...

UBUNTU-CVE-2022-49531

In the Linux kernel, the following vulnerability has been resolved: loop: implement -freedisk Ensure that the lodevice which is stored in the gendisk private data is valid until the gendisk is freed. Currently the loop driver uses a lot of effort to make sure a device is not freed when it is stil...

UBUNTU-CVE-2022-49406

In the Linux kernel, the following vulnerability has been resolved: block: Fix potential deadlock in blkiarangesysfsshow When being read, a sysfs attribute is already protected against removal with the kobject node active reference counter. As a result, in blkiarangesysfsshow, there is no need to...

UBUNTU-CVE-2022-49376

In the Linux kernel, the following vulnerability has been resolved: scsi: sd: Fix potential NULL pointer dereference If sdprobe sees an early error before sdkp-device is initialized, sdzbcreleasedisk is called. This causes a NULL pointer dereference when sdiszoned is called inside that function...

UBUNTU-CVE-2022-49348

In the Linux kernel, the following vulnerability has been resolved: ext4: filter out EXT4FCREPLAY from on-disk superblock field sstate The EXT4FCREPLAY bit in sbi-smountstate is used to indicate that we are in the middle of replay the fast commit journal. This was actually a mistake, since the...

UBUNTU-CVE-2022-49673

In the Linux kernel, the following vulnerability has been resolved: dm raid: fix KASAN warning in raid5adddisks There's a KASAN warning in raid5adddisk when running the LVM testsuite. The warning happens in the test lvconvert-raid-reshape-lineartoraid6-single-type.sh. We fix the warning by...

UBUNTU-CVE-2022-49708

In the Linux kernel, the following vulnerability has been resolved: ext4: fix bugon ext4mbuseinodepa Hulk Robot reported a BUGON: ================================================================== kernel BUG at fs/ext4/mballoc.c:3211! ... RIP: 0010:ext4mbmarkdiskspaceused.cold+0x85/0x136f ... Cal...

DEBIAN-CVE-2022-49147

In the Linux kernel, the following vulnerability has been resolved: block: Fix the maximum minor value is blkallocextminor idaallocrange..., min, max, ... returns values from min to max, inclusive. So, NREXTDEVT is a valid idx returned by blkallocextminor. This is an issue because in deviceadddis...

UBUNTU-CVE-2022-49147

In the Linux kernel, the following vulnerability has been resolved: block: Fix the maximum minor value is blkallocextminor idaallocrange..., min, max, ... returns values from min to max, inclusive. So, NREXTDEVT is a valid idx returned by blkallocextminor. This is an issue because in deviceadddis...

CVE-2022-49708 ext4: fix bug_on ext4_mb_use_inode_pa

In the Linux kernel, the following vulnerability has been resolved: ext4: fix bugon ext4mbuseinodepa Hulk Robot reported a BUGON: ================================================================== kernel BUG at fs/ext4/mballoc.c:3211! ... RIP: 0010:ext4mbmarkdiskspaceused.cold+0x85/0x136f ... Cal...

CVE-2022-49694 block: disable the elevator int del_gendisk

In the Linux kernel, the following vulnerability has been resolved: block: disable the elevator int delgendisk The elevator is only used for file system requests, which are stopped in delgendisk. Move disabling the elevator and freeing the scheduler tags to the end of delgendisk instead of doing...

CVE-2022-49694

The Linux kernel contains a use-after-free vulnerability in the del_gendisk function. The issue occurs because disabling the elevator and freeing the scheduler tags were being performed in disk_release and blk_cleanup_queue, where the q->tag_set might already be dead. To resolve this, the work...

CVE-2022-49694 block: disable the elevator int del_gendisk

In the Linux kernel, the following vulnerability has been resolved: block: disable the elevator int delgendisk The elevator is only used for file system requests, which are stopped in delgendisk. Move disabling the elevator and freeing the scheduler tags to the end of delgendisk instead of doing...

CVE-2022-49531 loop: implement ->free_disk

In the Linux kernel, the following vulnerability has been resolved: loop: implement -freedisk Ensure that the lodevice which is stored in the gendisk private data is valid until the gendisk is freed. Currently the loop driver uses a lot of effort to make sure a device is not freed when it is stil...

CVE-2022-49376

CVE-2022-49376 affects the Linux kernel SCSI subsystem (sd driver). The issue arises when sd_probe() hits an early error before sdkp->device is initialized, leading to a NULL pointer dereference inside sd_is_zoned() due to an unintended call to sd_zbc_release_disk(). The fix removes the sd_zbc...

CVE-2022-49376 scsi: sd: Fix potential NULL pointer dereference

In the Linux kernel, the following vulnerability has been resolved: scsi: sd: Fix potential NULL pointer dereference If sdprobe sees an early error before sdkp-device is initialized, sdzbcreleasedisk is called. This causes a NULL pointer dereference when sdiszoned is called inside that function...

CVE-2022-49376 scsi: sd: Fix potential NULL pointer dereference

In the Linux kernel, the following vulnerability has been resolved: scsi: sd: Fix potential NULL pointer dereference If sdprobe sees an early error before sdkp-device is initialized, sdzbcreleasedisk is called. This causes a NULL pointer dereference when sdiszoned is called inside that function...

CVE-2022-49376 scsi: sd: Fix potential NULL pointer dereference

In the Linux kernel, the following vulnerability has been resolved: scsi: sd: Fix potential NULL pointer dereference If sdprobe sees an early error before sdkp-device is initialized, sdzbcreleasedisk is called. This causes a NULL pointer dereference when sdiszoned is called inside that function...