UBUNTU-CVE-2025-40055

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix double free in userclusterconnect userclusterdisconnect frees "conn-ccprivate" which is "lc" but then the error handling frees "lc" a second time. Set "lc" to NULL on this path to avoid a double free...

CVE-2025-40055

CVE-2025-40055 affects the Linux kernel OCFS2, describing a double-free in the path handling user_cluster_connect(). The root cause is that user_cluster_disconnect() frees the same memory as conn->cc_private (the lc object) and the error handling frees lc again, leading to a double-free. The d...

UBUNTU-CVE-2025-62230

A flaw was discovered in the X.Org X server’s X Keyboard Xkb extension when handling client resource cleanup. The software frees certain data structures without properly detaching related resources, leading to a use-after-free condition. This can cause memory corruption or a crash when affected...

JLSEC-2025-188 In libssh2 v1.9.0 and earlier versions, the `SSH_MSG_DISCONNECT` logic in packet.c has an integer...

In libssh2 v1.9.0 and earlier versions, the SSHMSGDISCONNECT logic in packet.c has an integer overflow in a bounds check, enabling an attacker to specify an arbitrary out-of-bounds offset for a subsequent memory read. A crafted SSH server may be able to disclose sensitive information or cause a...

kernel: Bluetooth: L2CAP: fix "bad unlock balance" in l2cap_disconnect_rsp

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: fix "bad unlock balance" in l2capdisconnectrsp conn-chanlock isn't acquired before l2capgetchanbyscid, if l2capgetchanbyscid returns NULL, then 'bad unlock balance' is triggered...

kernel: Bluetooth: L2CAP: fix "bad unlock balance" in l2cap_disconnect_rsp

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: fix "bad unlock balance" in l2capdisconnectrsp conn-chanlock isn't acquired before l2capgetchanbyscid, if l2capgetchanbyscid returns NULL, then 'bad unlock balance' is triggered...

Siemens SIMATIC Devices Improper Input Validation (CVE-2024-26891)

iommu/vt-d: Don't issue ATS Invalidation request when device is disconnected. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable, Inc. include'compat.inc'; if description scriptid503550;...

Linux Distros Unpatched Vulnerability : CVE-2025-39993

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - media: rc: fix races with imondisconnect Syzbot reports a KASAN issue as below: BUG: KASAN: use-after- free in createpipe include/linux/usb.h:1945 inline BUG:...

TencentOS Server 4: xorg-x11-server-Xwayland (TSSA-2025:0757)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2025:0757 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities...

EUVD-2022-54930

In the Linux kernel, the following vulnerability has been resolved: nbd: fix io hung while disconnecting device In our tests, "qemu-nbd" triggers a io hung: INFO: task qemu-nbd:11445 blocked for more than 368 seconds. Not tainted 5.18.0-rc3-next-20220422-00003-g2176915513ca 884 "echo 0...

SUSE CVE-2025-39993

In the Linux kernel, the following vulnerability has been resolved: media: rc: fix races with imondisconnect Syzbot reports a KASAN issue as below: BUG: KASAN: use-after-free in createpipe include/linux/usb.h:1945 inline BUG: KASAN: use-after-free in sendpacket+0xa2d/0xbc0...

CVE-2025-39993

In the Linux kernel, the following vulnerability has been resolved: media: rc: fix races with imondisconnect Syzbot reports a KASAN issue as below: BUG: KASAN: use-after-free in createpipe include/linux/usb.h:1945 inline BUG: KASAN: use-after-free in sendpacket+0xa2d/0xbc0...

media: rc: fix races with imon_disconnect()

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EUVD-2025-34580

In the Linux kernel, the following vulnerability has been resolved: media: rc: fix races with imondisconnect Syzbot reports a KASAN issue as below: BUG: KASAN: use-after-free in createpipe include/linux/usb.h:1945 inline BUG: KASAN: use-after-free in sendpacket+0xa2d/0xbc0...

CVE-2025-39993

In the Linux kernel, the following vulnerability has been resolved: media: rc: fix races with imondisconnect Syzbot reports a KASAN issue as below: BUG: KASAN: use-after-free in createpipe include/linux/usb.h:1945 inline BUG: KASAN: use-after-free in sendpacket+0xa2d/0xbc0...

CVE-2025-39993 media: rc: fix races with imon_disconnect()

In the Linux kernel, the following vulnerability has been resolved: media: rc: fix races with imondisconnect Syzbot reports a KASAN issue as below: BUG: KASAN: use-after-free in createpipe include/linux/usb.h:1945 inline BUG: KASAN: use-after-free in sendpacket+0xa2d/0xbc0...

CVE-2025-39993

CVE-2025-39993 affects the Linux kernel under the media: rc subsystem, specifically the imon_disconnect path that can race with ongoing operations. The root cause is improper synchronization around usb_device references (usbdev_intf0/usbdev_intf1) during disconnect, leading to a use-after-free wh...

CVE-2025-39993 media: rc: fix races with imon_disconnect()

In the Linux kernel, the following vulnerability has been resolved: media: rc: fix races with imondisconnect Syzbot reports a KASAN issue as below: BUG: KASAN: use-after-free in createpipe include/linux/usb.h:1945 inline BUG: KASAN: use-after-free in sendpacket+0xa2d/0xbc0...

PT-2025-42267

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.0.0-rc1-syzkaller Description The iMON driver does not properly manage USB device references during disconnection, leading to a potential use-after-free condition. Specifically, the usb device reference count i...

Linux Distros Unpatched Vulnerability : CVE-2025-39955

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - tcp: Clear tcpsksk-fastopenrsk in tcpdisconnect. syzbot reported the splat below where a socket had tcpsksk-fastopenrsk in the TCPESTABLISHED state. 0 syzbot...