An authenticated attacker who could obtain information from a user request within the same realm could use that data to impersonate the victim and generate new session tokens. This issue could allow the leakage of both stack and heap addresses, and potentially allow Local Privilege Escalation to the root user via arbitrary code execution.Ī flaw was found in Keycloaks OpenID Connect user authentication, which may incorrectly authenticate requests. The Extensive VC Addons for WPBakery page builder WordPress plugin before 1.9.1 does not validate a parameter passed to the php extract function when loading templates, allowing an unauthenticated attacker to override the template path to read arbitrary files from the hosts file system.Ī buffer overflow vulnerability was found in the Netfilter subsystem in the Linux Kernel. A specially crafted Kroki diagram could lead to a stored XSS on the client side which allows attackers to perform arbitrary actions on behalf of victims. The patch that added the support for the conditional mitigation via prctl (ib_prctl_set) dates back to the kernel 4.9.176.\n\nWe recommend upgrading past commit a664ec9158eeddd75121d39c9a0758016097fa96\n\nĪn issue has been discovered in GitLab affecting all versions starting from 13.7 before 15.7.8, all versions starting from 15.8 before 15.8.4, all versions starting from 15.9 before 15.9.2. This leaves the victim vulnerable to values already injected on the BTB, prior to the prctl syscall. The ib_prctl_set function updates the Thread Information Flags (TIFs) for the task and updates the SPEC_CTRL MSR on the function _speculation_ctrl_update, but the IBPB is only issued on the next schedule, when the TIF bits are checked. The current implementation of the prctl syscall does not issue an IBPB immediately during the syscall.
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