kernel: net: tun: Fix use-after-free in tun_detach()

A flaw was found in the Linux kernel's net: tun module. A use-after-free vulnerability exists in the tundetach function. An attacker with administrative root privileges could exploit this by causing a network structure to be prematurely released and then accessed, leading to a system crash denial...

SUSE 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

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...

DEBIAN-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...

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...

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...

CVE-2022-49871

CVE-2022-49871 concerns the Linux kernel net: tun subsystem memory leaks arising from napi_get_frags when GRO processing is not completed. The provided data shows that in certain paths (tun_get_user -> napi_gro_frags -> napi_frags_finish -> GRO_NORMAL) the napi->rx_list may remain pop...

CVE-2022-49856

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CVE-2022-49856

Removed by vendor...

PT-2025-18573 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.1.0-rc3-syzkaller-00175-g1118b2049d77 Description: A vulnerability has been resolved in the Linux kernel. The issue is related to the napi schedule prep function, which must be called to ensure ownership of a...

CVE-2022-49871: Missing Release of Memory after Effective Lifetime

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...

Security update for the Linux Kernel (Live Patch 44 for SLE 15 SP3)

This update for the Linux Kernel 5.3.18-15030059161 fixes several issues. The following security issues were fixed: CVE-2022-49014: net: tun: Fix use-after-free in tundetach bsc1232818. CVE-2022-49563: crypto: qat - add param check for RSA bsc1238788. CVE-2022-49564: crypto: qat - add param check...

Security update for the Linux Kernel (Live Patch 46 for SLE 15 SP3)

This update for the Linux Kernel 5.3.18-15030059167 fixes several issues. The following security issues were fixed: CVE-2022-49014: net: tun: Fix use-after-free in tundetach bsc1232818. CVE-2022-49563: crypto: qat - add param check for RSA bsc1238788. CVE-2022-49564: crypto: qat - add param check...

Security update for the Linux Kernel (Live Patch 47 for SLE 15 SP3)

This update for the Linux Kernel 5.3.18-15030059170 fixes several issues. The following security issues were fixed: CVE-2022-49014: net: tun: Fix use-after-free in tundetach bsc1232818. CVE-2022-49563: crypto: qat - add param check for RSA bsc1238788. CVE-2022-49564: crypto: qat - add param check...

Security update for the Linux Kernel (Live Patch 59 for SLE 12 SP5)

This update for the Linux Kernel 4.12.14-122225 fixes several issues. The following security issues were fixed: CVE-2022-49014: net: tun: Fix use-after-free in tundetach bsc1232818. CVE-2022-49563: crypto: qat - add param check for RSA bsc1238788. CVE-2022-49564: crypto: qat - add param check for...

Security update for the Linux Kernel (Live Patch 56 for SLE 12 SP5)

This update for the Linux Kernel 4.12.14-122216 fixes several issues. The following security issues were fixed: CVE-2022-49014: net: tun: Fix use-after-free in tundetach bsc1232818. CVE-2022-49563: crypto: qat - add param check for RSA bsc1238788. CVE-2022-49564: crypto: qat - add param check for...

Security update for the Linux Kernel (Live Patch 43 for SLE 15 SP3)

This update for the Linux Kernel 5.3.18-15030059158 fixes several issues. The following security issues were fixed: CVE-2022-49014: net: tun: Fix use-after-free in tundetach bsc1232818. CVE-2022-49563: crypto: qat - add param check for RSA bsc1238788. CVE-2022-49564: crypto: qat - add param check...

Security update for the Linux Kernel (Live Patch 49 for SLE 15 SP3)

This update for the Linux Kernel 5.3.18-15030059179 fixes several issues. The following security issues were fixed: CVE-2022-49014: net: tun: Fix use-after-free in tundetach bsc1232818. CVE-2022-49563: crypto: qat - add param check for RSA bsc1238788. CVE-2022-49564: crypto: qat - add param check...