UBUNTU-CVE-2022-49871

In the Linux kernel, the following vulnerability has been resolved: net: tun: Fix memory leaks of napigetfrags kmemleak reports after running testprogs: unreferenced object 0xffff8881b1672dc0 size 232: comm "testprogs", pid 394388, jiffies 4354712116 age 841.975s hex dump first 32 bytes: e0 84 d7...

CVE-2022-49871 net: tun: Fix memory leaks of napi_get_frags

In the Linux kernel, the following vulnerability has been resolved: net: tun: Fix memory leaks of napigetfrags kmemleak reports after running testprogs: unreferenced object 0xffff8881b1672dc0 size 232: comm "testprogs", pid 394388, jiffies 4354712116 age 841.975s hex dump first 32 bytes: e0 84 d7...

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 memory leak in the napigetfrags function in the tun driver...

CVE-2024-56372

In the Linux kernel, the following vulnerability has been resolved: net: tun: fix tunnapiallocfrags syzbot reported the following crash 1 Issue came with the blamed commit. Instead of going through all the iov components, we keep using the first one and end up with a malformed skb. 1 kernel BUG a...

CVE-2024-56372

In the Linux kernel, the following vulnerability has been resolved: net: tun: fix tunnapiallocfrags syzbot reported the following crash 1 Issue came with the blamed commit. Instead of going through all the iov components, we keep using the first one and end up with a malformed skb. 1 kernel BUG a...

The vulnerability of the tun_detach() function in the Linux kernel driver allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the tundetach function in the drivers/net/tun.c file of the Linux kernel’s tun driver is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of protected...

CVE-2024-47707 ipv6: avoid possible NULL deref in rt6_uncached_list_flush_dev()

In the Linux kernel, the following vulnerability has been resolved: ipv6: avoid possible NULL deref in rt6uncachedlistflushdev Blamed commit accidentally removed a check for rt-rt6iidev being NULL, as spotted by syzbot: Oops: general protection fault, probably for non-canonical address...

kernel: tun: limit printing rate when illegal packet received by tun dev

In the Linux kernel, the following vulnerability has been resolved: tun: limit printing rate when illegal packet received by tun dev The Linux kernel CVE team has assigned CVE-2024-27013 to this issue. Upstream advisory:...

UBUNTU-CVE-2024-41091

In the Linux kernel, the following vulnerability has been resolved: tun: add missing verification for short frame The cited commit missed to check against the validity of the frame length in the tunxdpone path, which could cause a corrupted skb to be sent downstack. Even before the skb is...

OESA-2024-1569 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: tun: avoid double free in tunfreenetdev Avoid double free in tunfreenetdev by moving the dev-tstats and tun-security allocs to a new ndoinit routine tunnetinit...

kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags

An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious too big networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate their privileges on the system...

kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags

An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious too big networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate their privileges on the system...

kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags

An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious too big networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate their privileges on the system...

kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags

An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious too big networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate their privileges on the system...

The vulnerability of the tun_napi_alloc_frags() function in the drivers/net/tun.c module of the Linux TUN/TAP driver allows a attacker to compromise the confidentiality, integrity, and accessibility of protected information, or to enhance their privileges.

The vulnerability of the tunnapiallocfrags function in the drivers/net/tun.c module of the Linux TUN/TAP driver is related to the lack of control over the boundaries of the allocated buffer. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and...

kernel: tun: avoid double free in tun_free_netdev

A double-free flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user registers the device when the registernetdevice function fails NETDEVREGISTER notifier. This flaw allows a local user to crash or potentially escalate their privileges on the system...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: i2c: Fix a potential use after free Free the adap structure only after we are done using it. This patch just moves the putdevice down a bit to avoid the use after free. wsa: added comment to the code, added Fixes...

The vulnerability of the Linux operating system allows a malicious individual to gain access to confidential information from the kernel’s stack memory.

The vulnerability exists in the tunchrioctl function in the drivers/net/tun.c kernel module of Linux, due to the lack of initialization for certain structures. Exploiting this vulnerability allows local users to access confidential information from the kernel’s stack memory through a specially...

DEBIAN-CVE-2013-4343

Use-after-free vulnerability in drivers/net/tun.c in the Linux kernel through 3.11.1 allows local users to gain privileges by leveraging the CAPNETADMIN capability and providing an invalid tuntap interface name in a TUNSETIFF ioctl call...

UBUNTU-CVE-2013-4343

Use-after-free vulnerability in drivers/net/tun.c in the Linux kernel through 3.11.1 allows local users to gain privileges by leveraging the CAPNETADMIN capability and providing an invalid tuntap interface name in a TUNSETIFF ioctl call...