CVE-2026-64185 sysfs: don't remove existing directory on update failure

In the Linux kernel, the following vulnerability has been resolved: sysfs: don't remove existing directory on update failure When sysfsupdategroup is called for a named group and createfiles fails e.g. -ENOMEM, internalcreategroup calls kernfsremovekn on the group directory. In the update path, k...

pcre: buffer overflow caused by recursive back reference by name within certain group (8.38/4)

PCRE before 8.38 mishandles the /?J?'d'?'d'\gd/ pattern and related patterns with certain recursive back references, which allows remote attackers to cause a denial of service buffer overflow or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScri...