Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix recursive semaphore deadlock in fiemap call syzbot detected a OCFS2 hang due to a recursive semaphore on a FSIOCFIEMAP of the extent list on a specially crafted mmap file. contextswitch kernel/sched/core.c:5357 inline...

CVE-2025-39885 ocfs2: fix recursive semaphore deadlock in fiemap call

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix recursive semaphore deadlock in fiemap call syzbot detected a OCFS2 hang due to a recursive semaphore on a FSIOCFIEMAP of the extent list on a specially crafted mmap file. contextswitch kernel/sched/core.c:5357 inline...

CVE-2025-39885

CVE-2025-39885 affects the OCFS2 filesystem in Linux kernels. The vulnerability stems from a recursive semaphore deadlock during fiemap processing of a specially crafted mmap’ed file: ocfs2_fiemap() takes a read lock on ip_alloc_sem, then fiemap_fill_next_extent() accesses the extent list while a...

CVE-2025-39885 ocfs2: fix recursive semaphore deadlock in fiemap call

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix recursive semaphore deadlock in fiemap call syzbot detected a OCFS2 hang due to a recursive semaphore on a FSIOCFIEMAP of the extent list on a specially crafted mmap file. contextswitch kernel/sched/core.c:5357 inline...