kernel: raw: Fix a data-race around sysctl_raw_l3mdev_accept.

A flaw was found in the RAW-IP module in the Linux kernel. A race condition can occur when reading the sysctlrawl3mdevaccept resource due to a missing lock, potentially impacting system stability and resulting in a denial of service...

kernel: NFSD: fix use-after-free on source server when doing inter-server copy

In the Linux kernel, the following vulnerability has been resolved: NFSD: fix use-after-free on source server when doing inter-server copy Use-after-free occurred when the laundromat tried to free expired cpntfstate entry on the s2scpstateids list after inter-server copy completed. The sccplist...

kernel: mm,hugetlb: take hugetlb_lock before decrementing h->resv_huge_pages

In the Linux kernel, the following vulnerability has been resolved: mm,hugetlb: take hugetlblock before decrementing h-resvhugepages The h-hugepages counters are protected by the hugetlblock, but allochugepage has a corner case where it can decrement the counter outside of the lock. This could le...

kernel: writeback: avoid use-after-free after removing device

In the Linux kernel, the following vulnerability has been resolved: writeback: avoid use-after-free after removing device When a disk is removed, bdiunregister gets called to stop further writeback and wait for associated delayed work to complete. However, wbinodewritebackend may schedule bandwid...

kernel: l2tp: close all race conditions in l2tp_tunnel_register()

In the Linux kernel, the following vulnerability has been resolved: l2tp: close all race conditions in l2tptunnelregister The code in l2tptunnelregister is racy in several ways: 1. It modifies the tunnel socket after publishing it. 2. It calls setupudptunnelsock on an existing socket without...

kernel: USB: gadget: Fix obscure lockdep violation for udc_mutex

In the Linux kernel, the following vulnerability has been resolved: USB: gadget: Fix obscure lockdep violation for udcmutex A recent commit expanding the scope of the udclock mutex in the gadget core managed to cause an obscure and slightly bizarre lockdep violation. In abbreviated form:...

kernel: tipc: fix a null-ptr-deref in tipc_topsrv_accept

In the Linux kernel, the following vulnerability has been resolved: tipc: fix a null-ptr-deref in tipctopsrvaccept syzbot found a crash in tipctopsrvaccept: KASAN: null-ptr-deref in range 0x0000000000000008-0x000000000000000f Workqueue: tipcrcv tipctopsrvaccept RIP: 0010:kernelaccept+0x22d/0x350...

kernel: RDMA/irdma: Fix a window for use-after-free

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fix a window for use-after-free During a destroy CQ an interrupt may cause processing of a CQE after CQ resources are freed by irdmacqfreersrc. Fix this by moving the call to irdmacqfreersrc after the...

kernel: Linux kernel lockd: Denial of Service via uninitialized file lock field in NFSv3

A flaw was found in the Linux kernel's lockd component, which handles file locking. A local user could exploit this vulnerability by interacting with re-exported NFSv3 Network File System version 3 shares. This could cause the kernel to crash, leading to a Denial of Service DoS for the system...

kernel: dm thin: Fix ABBA deadlock between shrink_slab and dm_pool_abort_metadata

An ABBA deadlock flaw was found in the Linux kernel's device-mapper thin provisioning subsystem between the memory reclaim path and metadata abort handling. A local user can trigger this issue by initiating cache drop operations while dm-thin operations are active, causing process P1 to hold...

kernel: fs: dlm: fix invalid derefence of sb_lvbptr

In the Linux kernel, the following vulnerability has been resolved: fs: dlm: fix invalid derefence of sblvbptr I experience issues when putting a lkbsb on the stack and have sblvbptr field to a dangled pointer while not using DLMLKFVALBLK. It will crash with the following kernel message, the...

kernel: net/mlx5: E-Switch, pair only capable devices

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: E-Switch, pair only capable devices OFFLOADS paring using devcom is possible only on devices that support LAG. Filter based on lag capabilities. This fixes an issue where mlx5getnextphysdev was called without holding th...

kernel: PCI: Avoid pci_dev_lock() AB/BA deadlock with sriov_numvfs_store()

In the Linux kernel, the following vulnerability has been resolved: PCI: Avoid pcidevlock AB/BA deadlock with sriovnumvfsstore The sysfs sriovnumvfsstore path acquires the device lock before the config space access lock: sriovnumvfsstore devicelock A 1 acquire device lock sriovconfigure...

kernel: driver core: fix deadlock in __device_attach

In the Linux kernel, the following vulnerability has been resolved: driver core: fix deadlock in deviceattach In deviceattach function, The lock holding logic is as follows: ... deviceattach devicelockdev // get lock dev asyncscheduledevdeviceattachasynchelper, dev; // func asyncschedulenode...

kernel: icmp: Fix data-races around sysctl.

A flaw was found in the Linux kernel's ICMP protocol. A race condition can occur when reading the ICMP sysctl variables due to a missing lock, potentially impacting system stability and resulting in a denial of service...

kernel: l2tp: missing lock when clearing sk_user_data can lead to NULL pointer dereference

A flaw was found in the Linux kernel's Layer 2 Tunneling Protocol L2TP. A missing lock when clearing skuserdata can lead to a race condition and NULL pointer dereference. A local user could use this flaw to potentially crash the system causing a denial of service...

CVE-2023-29336

Win32k Elevation of Privilege Vulnerability Recent assessments: gwillcox-r7 at May 31, 2023 9:15pm UTC reported: Doing a patch diff between a Windows 10 1607 x86 version of win32kfull.sys prior to the patch and after the patch shows that only one function changed: xxxEnableMenuItem. Looking at th...

lock-security.be Cross Site Scripting vulnerability OBB-3306320

Following the coordinated and responsible vulnerability disclosure guidelines of the ISO 29147 standard, Open Bug Bounty has: a. verified the vulnerability and confirmed its existence; b. notified the website operator about its existence. Technical details of the vulnerability are currently hidde...

Mitigation of M-08: Issue NOT mitigated

Mitigated issue M-08: Possible DoS on unstake The issue is that a potential time-lock in Rocket Pool may cause RocketTokenRETHInterfacerethAddress.burnamount to revert, which prevents frequent withdrawals and unstakes. Mitigation review Reth.withdraw still calls...

CLSA-2023-1683146027 kernel: Fix of 23 CVEs

media: rc: Fix use-after-free bugs caused by enetxirqsim CVE-2023-1118 - net: mpls: fix stale pointer if allocation fails during device rename CVE-2023-26545 - net/ulp: prevent ULP without clone op from entering the LISTEN status CVE-2023-0461 - Bluetooth: L2CAP: Fix u8 overflow CVE-2022-45934 -...