CVE-2022-49018 mptcp: fix sleep in atomic at close time

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix sleep in atomic at close time Matt reported a splat at msk close time: BUG: sleeping function called from invalid context at net/mptcp/protocol.c:2877 inatomic: 1, irqsdisabled: 0, nonblock: 0, pid: 155, name:...

CVE-2024-50061

In the Linux kernel, the following vulnerability has been resolved: i3c: master: cdns: Fix use after free vulnerability in cdnsi3cmaster Driver Due to Race Condition In the cdnsi3cmasterprobe function, &master-hjwork is bound with cdnsi3cmasterhj. And cdnsi3cmasterinterrupt can call...

CVE-2024-49952 netfilter: nf_tables: prevent nf_skb_duplicated corruption

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: prevent nfskbduplicated corruption syzbot found that nfdupipv4 or nfdupipv6 could write per-cpu variable nfskbduplicated in an unsafe way 1. Disabling preemption as hinted by the splat is not enough, we have ...

CVE-2024-49868 btrfs: fix a NULL pointer dereference when failed to start a new trasacntion

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix a NULL pointer dereference when failed to start a new trasacntion BUG Syzbot reported a NULL pointer dereference with the following crash: FAULTINJECTION: forcing a failure. starttransaction+0x830/0x1670...

CVE-2024-47727

A flaw was found in the Linux kernel. Userspace can deceive the kernel into performing MMIO Memory-Mapped IO operations in TDX Trust Domain Extensions on its behalf, allowing a VE Virtualization Exception to be incorrectly handled as a in-kernel MMIO operation. Mitigation Mitigation for this issu...

CVE-2024-47745

In the Linux kernel, the following vulnerability has been resolved: mm: call the securitymmapfile LSM hook in remapfilepages The remapfilepages syscall handler calls dommap directly, which doesn't contain the LSM security check. And if the process has called personalityREADIMPLIESEXEC before and...

CVE-2024-47727

In the Linux kernel, the following vulnerability has been resolved: x86/tdx: Fix "in-kernel MMIO" check TDX only supports kernel-initiated MMIO operations. The handlemmio function checks if the VE exception occurred in the kernel and rejects the operation if it did not. However, userspace can...

CVE-2024-47745 mm: call the security_mmap_file() LSM hook in remap_file_pages()

In the Linux kernel, the following vulnerability has been resolved: mm: call the securitymmapfile LSM hook in remapfilepages The remapfilepages syscall handler calls dommap directly, which doesn't contain the LSM security check. And if the process has called personalityREADIMPLIESEXEC before and...

CVE-2024-47745 mm: call the security_mmap_file() LSM hook in remap_file_pages()

In the Linux kernel, the following vulnerability has been resolved: mm: call the securitymmapfile LSM hook in remapfilepages The remapfilepages syscall handler calls dommap directly, which doesn't contain the LSM security check. And if the process has called personalityREADIMPLIESEXEC before and...

CVE-2024-47745 mm: call the security_mmap_file() LSM hook in remap_file_pages()

In the Linux kernel, the following vulnerability has been resolved: mm: call the securitymmapfile LSM hook in remapfilepages The remapfilepages syscall handler calls dommap directly, which doesn't contain the LSM security check. And if the process has called personalityREADIMPLIESEXEC before and...

CVE-2024-47727 x86/tdx: Fix "in-kernel MMIO" check

In the Linux kernel, the following vulnerability has been resolved: x86/tdx: Fix "in-kernel MMIO" check TDX only supports kernel-initiated MMIO operations. The handlemmio function checks if the VE exception occurred in the kernel and rejects the operation if it did not. However, userspace can...

CVE-2024-47727

CVE-2024-47727 is a Linux kernel issue (x86/tdx) where userspace could trick the kernel into performing MMIO via #VE by pointing a syscall at an MMIO address. The root cause was the in-kernel MMIO check in handle_mmio() not guaranteeing the target MMIO address was within the kernel before decodin...

CVE-2024-47727 x86/tdx: Fix "in-kernel MMIO" check

In the Linux kernel, the following vulnerability has been resolved: x86/tdx: Fix "in-kernel MMIO" check TDX only supports kernel-initiated MMIO operations. The handlemmio function checks if the VE exception occurred in the kernel and rejects the operation if it did not. However, userspace can...

CVE-2024-47707 ipv6: avoid possible NULL deref in rt6_uncached_list_flush_dev()

In the Linux kernel, the following vulnerability has been resolved: ipv6: avoid possible NULL deref in rt6uncachedlistflushdev Blamed commit accidentally removed a check for rt-rt6iidev being NULL, as spotted by syzbot: Oops: general protection fault, probably for non-canonical address...

CVE-2024-47707 ipv6: avoid possible NULL deref in rt6_uncached_list_flush_dev()

In the Linux kernel, the following vulnerability has been resolved: ipv6: avoid possible NULL deref in rt6uncachedlistflushdev Blamed commit accidentally removed a check for rt-rt6iidev being NULL, as spotted by syzbot: Oops: general protection fault, probably for non-canonical address...

CVE-2024-47687

The CVE-2024-47687 issue affects the Linux kernel mlx5/vdpa path. It fixes an invalid MR resource destroy where error paths could release uninitialized MR resources. The patch adds a missing check in mlx5_vdpa_destroy_mr_resources() to block destroying non-initialized MR resources, addressing a N...

Synology DiskStation Manager Debian Linux Race Condition (CVE-2018-8897)

A statement in the System Programming Guide of the Intel 64 and IA-32 Architectures Software Developer's Manual SDM was mishandled in the development of some or all operating-system kernels, resulting in unexpected behavior for DB exceptions that are deferred by MOV SS or POP SS, as demonstrated ...

CVE-2024-46785

In the Linux kernel, the following vulnerability has been resolved: eventfs: Use listdelrcu for SRCU protected list variable Chi Zhiling reported: We found a null pointer accessing in tracefs1, the reason is that the variable 'eichild' is set to LISTPOISON1, that means the list was removed in...

CVE-2024-46771 can: bcm: Remove proc entry when dev is unregistered.

In the Linux kernel, the following vulnerability has been resolved: can: bcm: Remove proc entry when dev is unregistered. syzkaller reported a warning in bcmconnect below. 0 The repro calls connect to vxcan1, removes vxcan1, and calls connect with ifindex == 0. Calling connect for a BCM socket...

Linux Kernel 5.6.13 Use-After-Free Exploit

Proof of concept exploit that uses a use-after-free vulnerability due to a race condition in MIDI devices in Linux Kernel version 5.6.13. // gcc -o exploit exploit.c -masm=intel -static -s -lpthread define GNUSOURCE include include include include include include include include include include...