Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a problem with the napicomplete call in netdevsim, which could lead to a system crash...

CVE-2025-38270: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net: drv: netdevsim: don't napicomplete from netpoll netdevsim supports netpoll. Make sure we don't call napicomplete from it, since it may not be scheduled. Breno reports hitting a warning in napicompletedone: WARNING: CPU: 14...

The vulnerability in the `drivers/net/netdevsim/fib.c` component of the Linux operating system allows a hacker to cause a service failure.

The vulnerability in the drivers/net/netdevsim/fib.c component of the Linux operating system is related to reading data from the buffer beyond its allowable limits. Exploiting this vulnerability can allow an attacker to cause a service failure...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: net: drv: netdevsim: do not call napicomplete from netpoll netdevsim supports netpoll. Make sure we do not call npaiComplete from it, as it may not be scheduled. Breno reported encountering a warning in npaiCompleteDone: WARNING:...

PT-2025-28990

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The netdevsim driver in the Linux kernel does not prevent calling napi complete from netpoll, which may not be scheduled. This can lead to a warning in napi complete done. The issue...

SUSE CVE-2022-49803

In the Linux kernel, the following vulnerability has been resolved: netdevsim: Fix memory leak of nsimdev-facookie kmemleak reports this issue: unreferenced object 0xffff8881bac872d0 size 8: comm "sh", pid 58603, jiffies 4481524462 age 68.065s hex dump first 8 bytes: 04 00 00 00 de ad be ef...

CVE-2022-49803

In the Linux kernel, the following vulnerability has been resolved: netdevsim: Fix memory leak of nsimdev-facookie kmemleak reports this issue: unreferenced object 0xffff8881bac872d0 size 8: comm "sh", pid 58603, jiffies 4481524462 age 68.065s hex dump first 8 bytes: 04 00 00 00 de ad be ef...

DEBIAN-CVE-2022-49803

In the Linux kernel, the following vulnerability has been resolved: netdevsim: Fix memory leak of nsimdev-facookie kmemleak reports this issue: unreferenced object 0xffff8881bac872d0 size 8: comm "sh", pid 58603, jiffies 4481524462 age 68.065s hex dump first 8 bytes: 04 00 00 00 de ad be ef...

CVE-2022-49803

In the Linux kernel, the following vulnerability has been resolved: netdevsim: Fix memory leak of nsimdev-facookie kmemleak reports this issue: unreferenced object 0xffff8881bac872d0 size 8: comm "sh", pid 58603, jiffies 4481524462 age 68.065s hex dump first 8 bytes: 04 00 00 00 de ad be ef...

AZL-69785 CVE-2022-49803 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: netdevsim: Fix memory leak of nsimdev-facookie kmemleak reports this issue: unreferenced object 0xffff8881bac872d0 size 8: comm "sh", pid 58603, jiffies 4481524462 age 68.065s hex dump first 8 bytes: 04 00 00 00 de ad be ef...

UBUNTU-CVE-2022-49803

In the Linux kernel, the following vulnerability has been resolved: netdevsim: Fix memory leak of nsimdev-facookie kmemleak reports this issue: unreferenced object 0xffff8881bac872d0 size 8: comm "sh", pid 58603, jiffies 4481524462 age 68.065s hex dump first 8 bytes: 04 00 00 00 de ad be ef...

CVE-2022-49803

CVE-2022-49803 relates to the Linux kernel netdevsim memory leak in nsim_dev->fa_cookie. The issue arises when nsim_dev_trap_fa_cookie_write() allocates fa_cookie with kmalloc and assigns it to nsim_dev->fa_cookie, but nsim_drv_remove() fails to free it, leading to a leak reported by kmemle...

CVE-2022-49803 netdevsim: Fix memory leak of nsim_dev->fa_cookie

In the Linux kernel, the following vulnerability has been resolved: netdevsim: Fix memory leak of nsimdev-facookie kmemleak reports this issue: unreferenced object 0xffff8881bac872d0 size 8: comm "sh", pid 58603, jiffies 4481524462 age 68.065s hex dump first 8 bytes: 04 00 00 00 de ad be ef...

CVE-2022-49803

In the Linux kernel, the following vulnerability has been resolved: netdevsim: Fix memory leak of nsimdev-facookie kmemleak reports this issue: unreferenced object 0xffff8881bac872d0 size 8: comm "sh", pid 58603, jiffies 4481524462 age 68.065s hex dump first 8 bytes: 04 00 00 00 de ad be ef...

CVE-2022-49803 netdevsim: Fix memory leak of nsim_dev->fa_cookie

In the Linux kernel, the following vulnerability has been resolved: netdevsim: Fix memory leak of nsimdev-facookie kmemleak reports this issue: unreferenced object 0xffff8881bac872d0 size 8: comm "sh", pid 58603, jiffies 4481524462 age 68.065s hex dump first 8 bytes: 04 00 00 00 de ad be ef...

CVE-2022-49803: Missing Release of Memory after Effective Lifetime

In the Linux kernel, the following vulnerability has been resolved: netdevsim: Fix memory leak of nsimdev-facookie kmemleak reports this issue: unreferenced object 0xffff8881bac872d0 size 8: comm "sh", pid 58603, jiffies 4481524462 age 68.065s hex dump first 8 bytes: 04 00 00 00 de ad be ef...

PT-2025-18520

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory leak issue has been identified in the Linux kernel, specifically in the netdevsim module. The issue occurs when the nsim dev trap fa cookie write function allocates memory for f...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that originates from an unreleased facookie in netdevsim, which could lead to a memory leak...

The vulnerability of the netdevsim component in the Linux operating system’s kernel allows a hacker to trigger a service failure.

The vulnerability of the netdevsim component in the Linux operating system’s kernel is related to improper handling of the network packet header in the nsimdevhealthbreakwrite function. Exploiting this vulnerability can allow an attacker to cause a service failure...

The vulnerability of the nsim_dev_trap_report_work() function in the drivers/net/netdevsim/dev.c module of the Linux kernel allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the nsimdevtrapreportwork function in the drivers/net/netdevsim/dev.c module of the Linux kernel is related to code errors. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of the protected information...