UBUNTU-CVE-2023-53143

In the Linux kernel, the following vulnerability has been resolved: ext4: fix another off-by-one fsmap error on 1k block filesystems Apparently syzbot figured out that issuing this FSMAP call: struct fsmaphead cmd = .fmhcount = ...; .fmhkeys = .fmrdevice = / ext4 dev /, .fmrphysical = 0, ,...

CVE-2023-53143

CVE-2023-53143 is a Linux kernel ext4 off-by-one fsmap bug for 1k-block filesystems. The crash stems from insufficient range validation in ext4_getfsmap_datadev when querying GETFSMAP, due to s_first_data_block being nonzero on 1k blocks, causing an underflow and invalid group calculation. A fix ...

CVE-2023-53143 ext4: fix another off-by-one fsmap error on 1k block filesystems

In the Linux kernel, the following vulnerability has been resolved: ext4: fix another off-by-one fsmap error on 1k block filesystems Apparently syzbot figured out that issuing this FSMAP call: struct fsmaphead cmd = .fmhcount = ...; .fmhkeys = .fmrdevice = / ext4 dev /, .fmrphysical = 0, ,...

CVE-2023-53113 wifi: nl80211: fix NULL-ptr deref in offchan check

In the Linux kernel, the following vulnerability has been resolved: wifi: nl80211: fix NULL-ptr deref in offchan check If, e.g. in AP mode, the link was already created by userspace but not activated yet, it has a chandef but the chandef isn't valid and has no channel. Check for this and ignore...

CVE-2023-53113 wifi: nl80211: fix NULL-ptr deref in offchan check

In the Linux kernel, the following vulnerability has been resolved: wifi: nl80211: fix NULL-ptr deref in offchan check If, e.g. in AP mode, the link was already created by userspace but not activated yet, it has a chandef but the chandef isn't valid and has no channel. Check for this and ignore...

SUSE CVE-2025-23146

In the Linux kernel, the following vulnerability has been resolved: mfd: ene-kb3930: Fix a potential NULL pointer dereference The offgpios could be NULL. Add missing check in the kb3930probe. This is similar to the issue fixed in commit b1ba8bcb2d1f "backlight: hx8357: Fix potential NULL pointer...

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, which stems from a difference-in-one error in the fsmap of the ext4 filesystem at a block size of 1k...

CVE-2025-23150 ext4: fix off-by-one error in do_split

In the Linux kernel, the following vulnerability has been resolved: ext4: fix off-by-one error in dosplit Syzkaller detected a use-after-free issue in ext4insertdentry that was caused by out-of-bounds access due to incorrect splitting in dosplit. BUG: KASAN: use-after-free in...

CVE-2025-23150 ext4: fix off-by-one error in do_split

In the Linux kernel, the following vulnerability has been resolved: ext4: fix off-by-one error in dosplit Syzkaller detected a use-after-free issue in ext4insertdentry that was caused by out-of-bounds access due to incorrect splitting in dosplit. BUG: KASAN: use-after-free in...

CVE-2025-23150 ext4: fix off-by-one error in do_split

In the Linux kernel, the following vulnerability has been resolved: ext4: fix off-by-one error in dosplit Syzkaller detected a use-after-free issue in ext4insertdentry that was caused by out-of-bounds access due to incorrect splitting in dosplit. BUG: KASAN: use-after-free in...

CVE-2025-23150

In the Linux kernel, the following vulnerability has been resolved: ext4: fix off-by-one error in dosplit Syzkaller detected a use-after-free issue in ext4insertdentry that was caused by out-of-bounds access due to incorrect splitting in dosplit. BUG: KASAN: use-after-free in...

AI-Based Crypto Tokens: the Illusion of Decentralized AI?

The convergence of blockchain and artificial intelligence AI has led to the emergence of AI-based tokens, which are cryptographic assets designed to power decentralized AI platforms and services. This paper provides a comprehensive review of leading AI-token projects, examining their technical...

Starfish: Rebalancing Multi-Party Off-Chain Payment Channels

Blockchain technology has revolutionized the way transactions are executed, but scalability remains a major challenge. Payment Channel Network PCN, as a Layer-2 scaling solution, has been proposed to address this issue. However, skewed payments can deplete the balance of one party within a channe...

Trusted Compute Units: a Framework for Chained Verifiable Computations

Blockchain and distributed ledger technologies DLTs facilitate decentralized computations across trust boundaries. However, ensuring complex computations with low gas fees and confidentiality remains challenging. Recent advances in Confidential Computing -- leveraging hardware-based Trusted...

OESA-2025-1446 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: ntbhwswitchtec: Fix shift-out-of-bounds in switchtecntbmwsettrans There is a kernel API ntbmwcleartrans would pass 0 to both addr and size. This would make...

Developing a Blockchain-Based Secure Digital Contents Distribution System

As digital content distribution expands rapidly through online platforms, securing digital media and protecting intellectual property has become increasingly complex. Traditional centralized systems, while widely adopted, suffer from vulnerabilities such as single points of failure and limited...

Off-by-one Error

Overview Affected versions of this package are vulnerable to Off-by-one Error in the DecodeFromBytes function in bgp.go. The softwareVersionLen parameter is not checked for the case where it is set to 0. As a result, an attacker can trigger a panic by sending a malicious packet with a zero value...

Off-by-one Error

Overview Affected versions of this package are vulnerable to Off-by-one Error in the DecodeFromBytes function in bgp.go. The softwareVersionLen parameter is not checked for the case where it is set to 0. As a result, an attacker can trigger a panic by sending a malicious packet with a zero value...

Off-by-one Error

Overview Affected versions of this package are vulnerable to Off-by-one Error in the ParseRTR function in rtr.go. An attacker can cause a crash by sending an RTR message of unexpected length. Details Denial of Service DoS describes a family of attacks, all aimed at making a system inaccessible to...

Off-by-one Error

Overview Affected versions of this package are vulnerable to Off-by-one Error in the ParseRTR function in rtr.go. An attacker can cause a crash by sending an RTR message of unexpected length. Details Denial of Service DoS describes a family of attacks, all aimed at making a system inaccessible to...