CVE-2026-64233

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uvc: hold opts-lock across XU walks in uvcfunctionbind uvcfunctionbind walks &opts-extensionunits twice without holding opts-lock: - directly, for the iExtension string-descriptor fixup loop; - indirectly, four times...

CVE-2026-63945

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: serialize isosockcleartimer with socket lock isosockclose calls isosockcleartimer before acquiring locksocksk. isosockcleartimer reads isopisk-conn twice without the socket lock held: if !isopisk-conn return;...

UBUNTU-CVE-2026-53265

In the Linux kernel, the following vulnerability has been resolved: dm cache policy smq: check allocation under invalidate lock commit 2d1f7b65f5de "dm cache policy smq: fix missing locks in invalidating cache blocks" added mq-lock around the destructive part of smqinvalidatemapping, but left the...

SUSE CVE-2026-46317

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Reassign nestedmmus array behind mmulock kvm-arch.nestedmmus is walked under kvm-mmulock, including from the MMU notifier path kvmunmapgfnrange - kvmnesteds2unmap, which can run at any time. kvmvcpuinitnested...

SUSE CVE-2026-46106

In the Linux kernel, the following vulnerability has been resolved: eventfs: Hold eventfsmutex and SRCU when remount walks events Commit 340f0c7067a9 "eventfs: Update all the eventfsinodes from the events descriptor" had eventfssetattrs recurse through ei-children on remount. The walk only holds...

UBUNTU-CVE-2026-46106

In the Linux kernel, the following vulnerability has been resolved: eventfs: Hold eventfsmutex and SRCU when remount walks events Commit 340f0c7067a9 "eventfs: Update all the eventfsinodes from the events descriptor" had eventfssetattrs recurse through ei-children on remount. The walk only holds...

CVE-2026-43437

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: fix use-after-free on linked stream runtime in sndpcmdrain In the drain loop, the local variable 'runtime' is reassigned to a linked stream's runtime runtime = s-runtime at line 2157. After releasing the stream lock at...

Bluetooth: btintel: serialize btintel_hw_error() with hci_req_sync_lock

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CVE-2026-31500

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btintel: serialize btintelhwerror with hcireqsynclock btintelhwerror issues two hcicmdsync calls HCIOPRESET and Intel exception-info retrieval without holding hcireqsynclock. This lets it race against hcidevdoclose -...

CVE-2026-31500 Bluetooth: btintel: serialize btintel_hw_error() with hci_req_sync_lock

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btintel: serialize btintelhwerror with hcireqsynclock btintelhwerror issues two hcicmdsync calls HCIOPRESET and Intel exception-info retrieval without holding hcireqsynclock. This lets it race against hcidevdoclose -...

PT-2026-20453

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Exynos Virtual Display driver in the Linux kernel has a concurrency issue due to missing lock protection during memory allocation and deallocation operations. This can lead to a...

CVE-2025-68305

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisock: Prevent race in socket write iter and sock bind There is a potential race condition between sock bind and socket write iter. bind may free the same cmd via mgmtpending before write iter sends the cmd, just as...

CVE-2025-68305 Bluetooth: hci_sock: Prevent race in socket write iter and sock bind

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisock: Prevent race in socket write iter and sock bind There is a potential race condition between sock bind and socket write iter. bind may free the same cmd via mgmtpending before write iter sends the cmd, just as...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: btrfs: check folio mapping after unlock in relocateonefolio CVE-2024-56758 In the Linux kernel, the following vulnerability has been resolved: hrtimers: Force migrate away hrtimers queued after CPUHPAPHRTIMERSDYIN...

DEBIAN-CVE-2025-21969

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix slab-use-after-free Read in l2capsendcmd After the hci sync command releases l2capconn, the hci receive data work queue references the released l2capconn when sending to the upper layer. Add hci dev lock to...

DEBIAN-CVE-2023-52524

In the Linux kernel, the following vulnerability has been resolved: net: nfc: llcp: Add lock when modifying device list The device list needs its associated lock held when modifying it, or the list could become corrupted, as syzbot discovered...

CVE-2021-46911

A flaw was found in chktls in the Linux Kernel. This issue occurs due to a missing synchronization lock, which may cause a denial of service while doing page cleanup...

FreeBSD ip6_setpktopt Use-After-Free Privilege Escalation Exploit

This Metasploit module exploits a race and use-after-free vulnerability in the FreeBSD kernel IPv6 socket handling. A missing synchronization lock in the IPV62292PKTOPTIONS option handling in setsockopt permits racing ip6setpktopt access to a freed ip6pktopts struct. This exploit overwrites the...