CVE-2023-54095

In the Linux kernel, the following vulnerability has been resolved: powerpc/iommu: Fix notifiers being shared by PCI and VIO buses failiommusetup registers the failiommubusnotifier struct to both PCI and VIO buses. struct notifierblock is a linked list node, so this causes any notifiers later...

CVE-2023-54080

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: skip splitting and logical rewriting on pre-alloc write When doing a relocation, there is a chance that at the time of btrfsrelocclonecsums, there is no checksum for the corresponding region. In this case,...

CVE-2023-54068

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix to call f2fswaitonpagewriteback in f2fswriterawpages BUGON will be triggered when writing files concurrently, because the same page is writtenback multiple times. 1597 void folioendwritebackstruct folio folio...

CVE-2022-50747

In the Linux kernel, the following vulnerability has been resolved: hfs: Fix OOB Write in hfsasc2mac Syzbot reported a OOB Write bug: loop0: detected capacity change from 0 to 64 ================================================================== BUG: KASAN: slab-out-of-bounds in...

CVE-2022-50751

In the Linux kernel, the following vulnerability has been resolved: configfs: fix possible memory leak in configfscreatedir kmemleak reported memory leaks in configfscreatedir: unreferenced object 0xffff888009f6af00 size 192: comm "modprobe", pid 3777, jiffies 4295537735 age 233.784s backtrace:...

CVE-2022-50741

In the Linux kernel, the following vulnerability has been resolved: media: imx-jpeg: Disable useless interrupt to avoid kernel panic There is a hardware bug that the interrupt STMBUFHALF may be triggered after or when disable interrupt. It may led to unexpected kernel panic. And interrupt...

UBUNTU-CVE-2022-50782

In the Linux kernel, the following vulnerability has been resolved: ext4: fix bugon in estreesearch caused by bad quota inode We got a issue as fllows: ================================================================== kernel BUG at fs/ext4/extentsstatus.c:202! invalid opcode: 0000 1 PREEMPT SMP...

UBUNTU-CVE-2022-50746

In the Linux kernel, the following vulnerability has been resolved: erofs: validate the extent length for uncompressed pclusters syzkaller reported a KASAN use-after-free: https://syzkaller.appspot.com/bug?extid=2ae90e873e97f1faf6f2 The referenced fuzzed image actually has two issues: - mpa == 0 ...

UBUNTU-CVE-2022-50751

In the Linux kernel, the following vulnerability has been resolved: configfs: fix possible memory leak in configfscreatedir kmemleak reported memory leaks in configfscreatedir: unreferenced object 0xffff888009f6af00 size 192: comm "modprobe", pid 3777, jiffies 4295537735 age 233.784s backtrace:...

CVE-2023-54069

In the Linux kernel, the following vulnerability has been resolved: ext4: fix BUG in ext4mbnewinodepa due to overflow When we calculate the end position of ext4freeextent, this position may be exactly where ext4lblkt i.e. uint overflows. For example, if acgex.felogical is 4294965248 and...

CVE-2023-54060

In the Linux kernel, the following vulnerability has been resolved: iommufd: Set end correctly when doing batch carry Even though the test suite covers this it somehow became obscured that this wasn't working. The test iommufdioas.mockdomain.accessdomaindestory would blow up rarely. end should be...

UBUNTU-CVE-2023-54124

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to drop all dirty pages during umount if cperror is set xfstest generic/361 reports a bug as below: f2fsbugonsbi, sbi-fsyncnodenum; kernel BUG at fs/f2fs/super.c:1627! RIP: 0010:f2fsputsuper+0x3a8/0x3b0 Call Trace:...

CVE-2022-50782

In the Linux kernel, the following vulnerability has been resolved: ext4: fix bugon in estreesearch caused by bad quota inode We got a issue as fllows: ================================================================== kernel BUG at fs/ext4/extentsstatus.c:202! invalid opcode: 0000 1 PREEMPT SMP...

CVE-2023-54121

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix incorrect splitting in btrfsdropextentmaprange In production we were seeing a variety of WARNON's in the extentmap code, specifically in btrfsdropextentmaprange when we have to call addextentmapping for our second spli...

CVE-2022-50783

In the Linux kernel, the following vulnerability has been resolved: mptcp: use proper req destructor for IPv6 Before, only the destructor from TCP request sock in IPv4 was called even if the subflow was IPv6. It is important to use the right destructor to avoid memory leaks with some advanced IPv...

CVE-2022-50716

In the Linux kernel, the following vulnerability has been resolved: wifi: ar5523: Fix use-after-free on ar5523cmd timed out syzkaller reported use-after-free with the stack trace like below 1: 38.960489 C3 ================================================================== 38.963216 C3 BUG: KASAN:...

UBUNTU-CVE-2022-50725

In the Linux kernel, the following vulnerability has been resolved: media: vidtv: Fix use-after-free in vidtvbridgedvbinit KASAN reports a use-after-free: BUG: KASAN: use-after-free in dvbdmxdevrelease+0x4d5/0x5d0 dvbcore Call Trace: ... dvbdmxdevrelease+0x4d5/0x5d0 dvbcore...

CVE-2022-50727

In the Linux kernel, the following vulnerability has been resolved: scsi: efct: Fix possible memleak in efctdeviceinit In efctdeviceinit, when efctscsiregfctransport fails, efctscsitgtdriverexit is not called to release memory for efctscsitgtdriverinit and causes memleak: unreferenced object...

CVE-2023-54160 firmware: arm_sdei: Fix sleep from invalid context BUG

In the Linux kernel, the following vulnerability has been resolved: firmware: armsdei: Fix sleep from invalid context BUG Running a preempt-rt v6.2-rc3-rt1 based kernel on an Ampere Altra triggers: BUG: sleeping function called from invalid context at kernel/locking/spinlockrt.c:46 inatomic: 0,...

CVE-2023-54160 firmware: arm_sdei: Fix sleep from invalid context BUG

In the Linux kernel, the following vulnerability has been resolved: firmware: armsdei: Fix sleep from invalid context BUG Running a preempt-rt v6.2-rc3-rt1 based kernel on an Ampere Altra triggers: BUG: sleeping function called from invalid context at kernel/locking/spinlockrt.c:46 inatomic: 0,...