Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the usb gadget fncm driver. When the connection is disconnected, the network device’s lifecycle...

CVE-2026-31723

The CVE-2026-31723 issue affects the Linux kernel’s usb: gadget: f_subset component, where net_device resources are allocated during function instance creation and registered under the gadget device. On unbind, the parent device can be destroyed while the net_device remains, creating dangling sys...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-005726)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005726 advisory. In the Linux kernel, the following vulnerability has been resolved: usb: gadget: userial: Add null pointer check in gserialsuspend Consider a case where...

UBUNTU-CVE-2025-68282

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: udc: fix use-after-free in usbgadgetstatework A race condition during gadget teardown can lead to a use-after-free in usbgadgetstatework, as reported by KASAN: BUG: KASAN: invalid-access in sysfsnotify+0x2c/0xd0...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990104)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990104 advisory. In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uvc: Prevent buffer overflow in setup handler Setup function uvcfunctionsetup permit...

CVE-2025-40093

The CVE-2025-40093 entry concerns the Linux kernel USB gadget ECM (f_ecm) bind path. The vulnerability arises after a bind/unbind cycle where ecm->notify_req remains stale, causing a NULL pointer dereference when the system tries to free a request via ep->ops->free_request during a subse...

CVE-2023-53693 USB: gadget: Fix the memory leak in raw_gadget driver

In the Linux kernel, the following vulnerability has been resolved: USB: gadget: Fix the memory leak in rawgadget driver Currently, increasing rawdev-count happens before invoke the rawqueueevent, if the rawqueueevent return error, invoke rawrelease will not trigger the devfree to be called...

SUSE SLES15: cluster-md-kmp-default / dlm-kmp-default / gfs2-kmp-default / etc (SUSE-SU-2025:03626-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:03626-1 advisory. The SUSE Linux Enterprise 15 SP3 kernel was updated to receive various security bugfixes. The following security bugs were fixed: ...

SUSE-SU-2025:03370-1 Security update for the Linux Kernel (Live Patch 32 for SLE 15 SP4)

This update for the Linux Kernel 5.14.21-15040024136 fixes several issues. The following security issues were fixed: - CVE-2024-49860: ACPI: sysfs: validate return type of STR method bsc1231862. - CVE-2025-38177: schhfsc: make hfscqlennotify idempotent bsc1246356. - CVE-2025-38181: calipso: Fix...

SUSE-SU-2025:20786-1 Security update for kernel-livepatch-MICRO-6-0-RT_Update_5

This update for kernel-livepatch-MICRO-6-0-RTUpdate5 fixes the following issues: - CVE-2025-38177: kernel: schhfsc: make hfscqlennotify idempotent bsc1246356 - CVE-2025-38109: net/mlx5: fix ECVF vports unload on shutdown flow bsc1245685 - CVE-2025-38181: calipso: fix null-ptr-deref in...

SUSE-SU-2025:20736-1 Security update for kernel-livepatch-MICRO-6-0_Update_9

This update for kernel-livepatch-MICRO-6-0Update9 fixes the following issues: - CVE-2025-38498: dochangetype: refuse to operate on unmounted/not ours mounts bsc1247499 - CVE-2025-38555: usb: gadget : fix use-after-free in compositedevcleanup bsc1248298...

CVE-2023-53407

CVE-2023-53407 refers to a Linux kernel issue in USB gadget support for pxa27x_udc where memory leaks occur if debugfs_lookup() results are not released (dput). The resolution, as described in multiple sources, is to call debugfs_lookup_and_remove() which handles the lookup and cleanup in one ste...

PT-2025-49444

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists within the USB gadget f fs functionality. Specifically, a NULL pointer dereference can occur in the ffs func eps enable function when accessing epfile-ep after a...

SUSE-SU-2025:02848-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP3 kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2022-50211: md-raid10: fix KASAN warning bsc1245140. - CVE-2023-2176: Fixed an out-of-boundary read in comparenetdevandip in drivers/infiniband/core/cma.c in RDM...

The vulnerability of the functions usbg_cmd_work() and bot_cmd_work() in the USB driver (drivers/usb/gadget/function/f_tcm.c) of the Linux kernel allows a hacker to induce a service failure.

The vulnerability of the functions usbgcmdwork and botcmdwork in the USB driver drivers/usb/gadget/function/ftcm.c of the Linux kernel is related to the repeated release of memory. Exploiting this vulnerability could allow an attacker to cause a service failure...

USN-7095-1 linux-nvidia, linux-nvidia-6.8, linux-nvidia-lowlatency vulnerabilities

Chenyuan Yang discovered that the USB Gadget subsystem in the Linux kernel did not properly check for the device to be enabled before writing. A local attacker could possibly use this to cause a denial of service. CVE-2024-25741 Several security issues were discovered in the Linux kernel. An...

USN-7089-1 linux, linux-gcp-6.8, linux-hwe-6.8 vulnerabilities

Chenyuan Yang discovered that the USB Gadget subsystem in the Linux kernel did not properly check for the device to be enabled before writing. A local attacker could possibly use this to cause a denial of service. CVE-2024-25741 Several security issues were discovered in the Linux kernel. An...

USN-5468-1 linux, linux-aws, linux-aws-5.13, linux-azure, linux-azure-5.13, linux-gcp, linux-gcp-5.13, linux-hwe-5.13, linux-intel-5.13, linux-kvm, linux-oracle, linux-oracle-5.13, linux-raspi vulnerabilities

It was discovered that the Linux kernel did not properly restrict access to the kernel debugger when booted in secure boot environments. A privileged attacker could use this to bypass UEFI Secure Boot restrictions. CVE-2022-21499 Aaron Adams discovered that the netfilter subsystem in the Linux...

PT-2022-2366 · Linux +5 · Linux Kernel +5

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 5.16.12 Description: The issue is related to the Linux kernel's USB gadget driver, specifically in the udc-xilinx.c file. It involves an array index that is not properly validated, potentially allowing a remote...

UBUNTU-CVE-2022-25258

An issue was discovered in drivers/usb/gadget/composite.c in the Linux kernel before 5.16.10. The USB Gadget subsystem lacks certain validation of interface OS descriptor requests ones with a large array index and ones associated with NULL function pointer retrieval. Memory corruption might occur...