CVE-2026-80858

CVE-2026-80858 is a memory-ordering bug in the Linux kernel's FUSE (Filesystem in Userspace) io-uring path. The function fuse_uring_create_queue() publishes a newly initialized fuse_ring_queue pointer into ring->queues[qid] using WRITE_ONCE(), which does not guarantee that the queue's fields a...

EUVD-2026-71308

In the Linux kernel, the following vulnerability has been resolved: fuse: publish io-uring queues with release semantics fuseuringcreatequeue initializes a fuseringqueue and then publishes the pointer into ring-queuesqid with WRITEONCE under the fch-lock. There are several readers that may...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: sysctl: Data race issues in procdouintvec have been fixed. A sysctl variable is accessed concurrently, and there is always a risk of a data race. Therefore, both readers and writers require some basic protection to avoid data...

CVE-2026-74262

In the Linux kernel, the following vulnerability has been resolved: kcm: use WRITEONCE when changing lower socket callbacks kcmattach replaces a live lower TCP socket's skdataready and skwritespace callbacks with KCM handlers, and kcmunattach restores them later. Those callback-pointer updates ar...

CVE-2026-74262

In the Linux kernel, the following vulnerability has been resolved: kcm: use WRITEONCE when changing lower socket callbacks kcmattach replaces a live lower TCP socket's skdataready and skwritespace callbacks with KCM handlers, and kcmunattach restores them later. Those callback-pointer updates ar...

CVE-2026-74262

In the Linux kernel, CVE-2026-74262 affects the kernel networking path used by KCM. kcm_attach() replaces a live lower TCP socket’s sk_data_ready and sk_write_space callbacks with KCM handlers, and kcm_unattach() restores them later. These updates were plain stores and could be observed by other ...

CVE-2026-74262 kcm: use WRITE_ONCE() when changing lower socket callbacks

In the Linux kernel, the following vulnerability has been resolved: kcm: use WRITEONCE when changing lower socket callbacks kcmattach replaces a live lower TCP socket's skdataready and skwritespace callbacks with KCM handlers, and kcmunattach restores them later. Those callback-pointer updates ar...

EUVD-2026-59409

In the Linux kernel, the following vulnerability has been resolved: kcm: use WRITEONCE when changing lower socket callbacks kcmattach replaces a live lower TCP socket's skdataready and skwritespace callbacks with KCM handlers, and kcmunattach restores them later. Those callback-pointer updates ar...

CVE-2026-43216

Summary of CVE-2026-43216 : In the Linux kernel, skb_may_tx_timestamp() could acquire sock::sk_callback_lock in IRQ context, risking a deadlock if the lock was already write-locked on the same CPU. The fix drops the lock and uses READ_ONCE() / WRITE_ONCE() to safely access and clear the pointers ...

CVE-2026-43119 Bluetooth: hci_sync: annotate data-races around hdev->req_status

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: annotate data-races around hdev-reqstatus hcicmdsyncsk sets hdev-reqstatus under hdev-reqlock: hdev-reqstatus = HCIREQPEND; However, several other functions read or write hdev-reqstatus without holding any loc...

CVE-2026-23212 bonding: annotate data-races around slave->last_rx

In the Linux kernel, the following vulnerability has been resolved: bonding: annotate data-races around slave-lastrx slave-lastrx and slave-targetlastarprx... can be read and written locklessly. Add READONCE and WRITEONCE annotations. syzbot reported: BUG: KCSAN: data-race in bondrcvvalidate /...

CVE-2026-23124

CVE-2026-23124 is a Linux kernel IPv6 data-race issue in ndisc_router_discovery() where reads/writes to in6_dev->ra_mtu occur without proper synchronization. The race can occur during router advertisement MTU handling (mtu checks are noted but not yet enforced); the fix adds READ_ONCE()/WRITE_...

CVE-2023-54226 af_unix: Fix data races around sk->sk_shutdown.

In the Linux kernel, the following vulnerability has been resolved: afunix: Fix data races around sk-skshutdown. KCSAN found a data race around sk-skshutdown where unixreleasesock and unixshutdown update it under unixstatelock, OTOH unixpoll and unixdgrampoll read it locklessly. We need to annota...

UBUNTU-CVE-2025-68336

In the Linux kernel, the following vulnerability has been resolved: locking/spinlock/debug: Fix data-race in dorawwritelock KCSAN reports: BUG: KCSAN: data-race in dorawwritelock / dorawwritelock write marked to 0xffff800009cf504c of 4 bytes by task 1102 on cpu 1: dorawwritelock+0x120/0x204...

CVE-2023-53853 netlink: annotate accesses to nlk->cb_running

In the Linux kernel, the following vulnerability has been resolved: netlink: annotate accesses to nlk-cbrunning Both netlinkrecvmsg and netlinknativeseqshow read nlk-cbrunning locklessly. Use READONCE there. Add corresponding WRITEONCE to netlinkdump and netlinkdumpstart syzbot reported: BUG:...

EUVD-2022-54598

Malicious code in bioql PyPI...

EUVD-2022-54592

Malicious code in bioql PyPI...

EUVD-2022-54591

Malicious code in bioql PyPI...

CVE-2022-49967

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix a data-race around bpfjitlimit. While reading bpfjitlimit, it can be changed concurrently via sysctl, WRITEONCE in doprocdoulongvecminmax. The size of bpfjitlimit is long, so we need to add a paired READONCE to avoid...

CVE-2022-49967 bpf: Fix a data-race around bpf_jit_limit.

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix a data-race around bpfjitlimit. While reading bpfjitlimit, it can be changed concurrently via sysctl, WRITEONCE in doprocdoulongvecminmax. The size of bpfjitlimit is long, so we need to add a paired READONCE to avoid...