CVE-2022-50569

Summary of CVE-2022-50569 (Linux kernel xfrm/ipcomp_scratches): The vulnerability arises when ipcomp_alloc_scratches() fails to allocate per-CPU scratches, leaving ipcomp_scratches with an obsolete address. During ipcomp_free_scratches(), the code frees per-CPU scratch space by iterating CPUs and...

CVE-2022-50569 xfrm: Update ipcomp_scratches with NULL when freed

In the Linux kernel, the following vulnerability has been resolved: xfrm: Update ipcompscratches with NULL when freed Currently if ipcompallocscratches fails to allocate memory ipcompscratches holds obsolete address. So when we try to free the percpu scratches using ipcompfreescratches it tries t...

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 failure to update ipcompscratches to NULL after release, which could result in a null pointer dereference...

kernel: xfrm: Update ipcomp_scratches with NULL when freed

In the Linux kernel, the following vulnerability has been resolved: xfrm: Update ipcompscratches with NULL when freed Currently if ipcompallocscratches fails to allocate memory ipcompscratches holds obsolete address. So when we try to free the percpu scratches using ipcompfreescratches it tries t...

GSD-2022-1007644 xfrm: Update ipcomp_scratches with NULL when freed

xfrm: Update ipcompscratches with NULL when freed 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 v4.9.331 by commit...

GSD-2022-1007498 xfrm: Update ipcomp_scratches with NULL when freed

xfrm: Update ipcompscratches with NULL when freed 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 v4.19.262 by commit...

GSD-2022-1007388 xfrm: Update ipcomp_scratches with NULL when freed

xfrm: Update ipcompscratches with NULL when freed 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 v5.4.220 by commit...

GSD-2022-1007243 xfrm: Update ipcomp_scratches with NULL when freed

xfrm: Update ipcompscratches with NULL when freed 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 v5.10.150 by commit...