https://cve.radiocsirt.org Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Mon, 05 Oct 2026 17:20:46 +0000 https://cve.radiocsirt.org/vuln/cve-2022-48635 <p><strong>Affected:</strong> Linux, linux_kernel</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>fsdax: Fix infinite loop in dax_iomap_rw()</p> <p>I got an infinite loop and a WARNING report when executing a tail command in virtiofs.</p> <p>WARNING: CPU: 10 PID: 964 at fs/iomap/iter.c:34 iomap_iter+0x3a2/0x3d0 Modules linked in: CPU: 10 PID: 964 Comm: tail Not tainted 5.19.0-rc7 Call Trace: &lt;TASK&gt; dax_iomap_rw+0xea/0x620 ? __this_cpu_preempt_check+0x13/0x20 fuse_dax_read_iter+0x47/0x80 fuse_file_read_iter+0xae/0xd0 new_sync_read+0xfe/0x180 ? 0xffffffff81000000 vfs_read+0x14d/0x1a0 ksys_read+0x6d/0xf0 __x64_sys_read+0x1a/0x20 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd</p> <p>The tail command will call read() with a count of 0. In this case, iomap_iter() will report this WARNING, and always return 1 which casuing the infinite loop in dax_iomap_rw().</p> <p>Fixing by checking count whether is 0 in dax_iomap_rw().</p> <p><strong>Affected:</strong> Linux, linux_kernel</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>fsdax: Fix infinite loop in dax_iomap_rw()</p> <p>I got an infinite loop and a WARNING report when executing a tail command in virtiofs.</p> <p>WARNING: CPU: 10 PID: 964 at fs/iomap/iter.c:34 iomap_iter+0x3a2/0x3d0 Modules linked in: CPU: 10 PID: 964 Comm: tail Not tainted 5.19.0-rc7 Call Trace: &lt;TASK&gt; dax_iomap_rw+0xea/0x620 ? __this_cpu_preempt_check+0x13/0x20 fuse_dax_read_iter+0x47/0x80 fuse_file_read_iter+0xae/0xd0 new_sync_read+0xfe/0x180 ? 0xffffffff81000000 vfs_read+0x14d/0x1a0 ksys_read+0x6d/0xf0 __x64_sys_read+0x1a/0x20 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd</p> <p>The tail command will call read() with a count of 0. In this case, iomap_iter() will report this WARNING, and always return 1 which casuing the infinite loop in dax_iomap_rw().</p> <p>Fixing by checking count whether is 0 in dax_iomap_rw().</p> https://cve.radiocsirt.org/vuln/cve-2022-48635