CVE-2024-36027 btrfs: zoned: do not flag ZEROOUT on non-dirty extent buffer

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: do not flag ZEROOUT on non-dirty extent buffer Btrfs clears the content of an extent buffer marked as EXTENTBUFFERZONEDZEROOUT before the bio submission. This mechanism is introduced to prevent a write hole of an...

A Bootiful Podcast: Microsoft's Sandra Ahlgrimm on cloud, Java, AI, and more

Hi, Spring fans, from the amazing Spring IO conference in Barcelona, Spain! In this interview I talked to Microsoft's Sandra Ahlgrimm on all things cloud, Java, AI, and more. Also, a special and quick discussion with Spring IO founder Sergi Almar, who was last on the show in, I think, 2020!...

SUSE CVE-2021-47531

In the Linux kernel, the following vulnerability has been resolved: drm/msm: Fix mmap to include VMIO and VMDONTDUMP In commit 510410bfc034 "drm/msm: Implement mmap as GEM object function" we switched to a new/cleaner method of doing things. That's good, but we missed a little bit. Before that...

SUSE CVE-2021-47552

In the Linux kernel, the following vulnerability has been resolved: blk-mq: cancel blk-mq dispatch work in both blkcleanupqueue and diskrelease For avoiding to slow down queue destroy, we don't call blkmqquiescequeue in blkcleanupqueue, instead of delaying to cancel dispatch work in...

SUSE CVE-2021-47508

In the Linux kernel, the following vulnerability has been resolved: btrfs: free exchange changeset on failures Fstests runs on my VMs have show several kmemleak reports like the following. unreferenced object 0xffff88811ae59080 size 64: comm "xfsio", pid 12124, jiffies 4294987392 age 6.368s hex...

SUSE CVE-2023-52848

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to drop metainode's page cache in f2fsputsuper syzbot reports a kernel bug as below: F2FS-fs loop1: detect filesystem reference count leak during umount, type: 10, count: 1 kernel BUG at fs/f2fs/super.c:1639! CPU: 0 PID...

Exploit for Use After Free in Linux Linux_Kernel

PoC for CVE-2024-0582 While learning about the iouring interf...

DEBIAN-CVE-2021-47552

In the Linux kernel, the following vulnerability has been resolved: blk-mq: cancel blk-mq dispatch work in both blkcleanupqueue and diskrelease For avoiding to slow down queue destroy, we don't call blkmqquiescequeue in blkcleanupqueue, instead of delaying to cancel dispatch work in...

CVE-2021-47508

In the Linux kernel, the following vulnerability has been resolved: btrfs: free exchange changeset on failures Fstests runs on my VMs have show several kmemleak reports like the following. unreferenced object 0xffff88811ae59080 size 64: comm "xfsio", pid 12124, jiffies 4294987392 age 6.368s hex...

CVE-2021-47508

In the Linux kernel, the following vulnerability has been resolved: btrfs: free exchange changeset on failures Fstests runs on my VMs have show several kmemleak reports like the following. unreferenced object 0xffff88811ae59080 size 64: comm "xfsio", pid 12124, jiffies 4294987392 age 6.368s hex...

UBUNTU-CVE-2021-47552

In the Linux kernel, the following vulnerability has been resolved: blk-mq: cancel blk-mq dispatch work in both blkcleanupqueue and diskrelease For avoiding to slow down queue destroy, we don't call blkmqquiescequeue in blkcleanupqueue, instead of delaying to cancel dispatch work in...

CVE-2021-47508 btrfs: free exchange changeset on failures

In the Linux kernel, the following vulnerability has been resolved: btrfs: free exchange changeset on failures Fstests runs on my VMs have show several kmemleak reports like the following. unreferenced object 0xffff88811ae59080 size 64: comm "xfsio", pid 12124, jiffies 4294987392 age 6.368s hex...

CVE-2021-47508 btrfs: free exchange changeset on failures

In the Linux kernel, the following vulnerability has been resolved: btrfs: free exchange changeset on failures Fstests runs on my VMs have show several kmemleak reports like the following. unreferenced object 0xffff88811ae59080 size 64: comm "xfsio", pid 12124, jiffies 4294987392 age 6.368s hex...

CVE-2021-47508

CVE-2021-47508 affects the Linux kernel’s btrfs code path. The issue is a memory leak: when qgroup/data reservation fails in btrfs_check_data_free_space() or btrfs_delalloc_reserve_space(), the allocated extent_changeset is not freed. This occurs specifically in the direct IO write path (and rela...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a post-release reuse issue in the aio module due to a lack of POLLFREE handling...

SUSE CVE-2021-47390

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Fix stack-out-of-bounds memory access from ioapicwriteindirect KASAN reports the following issue: BUG: KASAN: stack-out-of-bounds in kvmmakevcpusrequestmask+0x174/0x440 kvm Read of size 8 at addr ffffc9001364f638 by tas...

CVE-2021-47268

In the Linux kernel, the following vulnerability has been resolved: usb: typec: tcpm: cancel vdm and state machine hrtimer when unregister tcpm port A pending hrtimer may expire after the kthreadworker of tcpm port is destroyed, see below kernel dump when do module unload, fix it by cancel the 2...

SUSE CVE-2023-52700

In the Linux kernel, the following vulnerability has been resolved: tipc: fix kernel warning when sending SYN message When sending a SYN message, this kernel stack trace is observed: ... 13.396352 RIP: 0010:copyfromiter+0xb4/0x550 ... 13.398494 Call Trace: 13.398630 13.398630 ? allocskb+0xed/0x1a...

kernel: scsi: qla2xxx: Wait for io return on terminate rport

A flaw was found in the Linux kernel’s SCSI driver component qla2xxx used with FCP-2 devices. When the terminaterportio function is invoked , the driver may exit cleanup before all outstanding I/O operations have returned. This can lead to a use-after-free condition when resources are freed while...

CVE-2021-47435

In the Linux kernel, the following vulnerability has been resolved: dm: fix mempool NULL pointer race when completing IO dmiodecpending calls endioacct first and will then dec md in-flight pending count. But if a task is swapping DM table at same time this can result in a crash due to...