Huawei EulerOS: CVE-2024-42265: kernel security update
Description
In the Linux kernel, the following vulnerability has been resolved: protect the fetch of ->fd[fd] in do_dup2() from mispredictions both callers have verified that fd is not greater than ->max_fds; however, misprediction might end up with tofree = fdt->fd[fd]; being speculatively executed. That's wrong for the same reasons why it's wrong in close_fd()/file_close_fd_locked(); the same solution applies - array_index_nospec(fd, fdt->max_fds) could differ from fd only in case of speculative execution on mispredicted path.
Solution(s)
- huawei-euleros-2_0_sp10-upgrade-kernel
- huawei-euleros-2_0_sp10-upgrade-kernel-abi-stablelists
- huawei-euleros-2_0_sp10-upgrade-kernel-tools
- huawei-euleros-2_0_sp10-upgrade-kernel-tools-libs
- huawei-euleros-2_0_sp10-upgrade-python3-perf
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