Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: tun: Fix memory leaks in napigetfrags The issue was reported in kmemleak after running testprogs: Unreferenced object: 0xffff8881b1672dc0 size 232 Execution time: 4354712116 jiffies duration: 841.975 seconds Hex dump first 3...

The vulnerability of the napi_get_frags() function in the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the napigetfrags function in the Linux operating system’s kernel is related to the lack of memory release after the effective lifespan of the function has ended. Exploiting this vulnerability can allow an attacker to cause a service failure...

CVE-2022-49856

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

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-2022-49871 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: 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...

CVE-2024-40937 gve: Clear napi->skb before dev_kfree_skb_any()

In the Linux kernel, the following vulnerability has been resolved: gve: Clear napi-skb before devkfreeskbany gverxfreeskb incorrectly leaves napi-skb referencing an skb after it is freed with devkfreeskbany. This can result in a subsequent call to napigetfrags returning a dangling pointer. Fix...

CVE-2024-40937

In the Linux kernel, the following vulnerability has been resolved: gve: Clear napi-skb before devkfreeskbany gverxfreeskb incorrectly leaves napi-skb referencing an skb after it is freed with devkfreeskbany. This can result in a subsequent call to napigetfrags returning a dangling pointer. Fix...

GSD-2022-1008177 net: tun: Fix memory leaks of napi_get_frags

net: tun: Fix memory leaks of napigetfrags This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.4.225 by commit...

GSD-2022-1007958 net: tun: Fix memory leaks of napi_get_frags

net: tun: Fix memory leaks of napigetfrags This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.79 by commit...