CVE-2022-49418

In the Linux kernel, the following vulnerability has been resolved: NFSv4: Fix free of uninitialized nfs4_label on referral lookup. Send along the already-allocated fattr along with nfs4_fs_locations, and drop the memcpy of fattr. We end up growing two more allocations, but this fixes up a crash as: PID: 790 TASK: ffff88811b43c000 CPU: 0 COMMAND: "ls" #0 [ffffc90000857920] panic at ffffffff81b9bfde #1 [ffffc900008579c0] do_trap at ffffffff81023a9b #2 [ffffc90000857a10] do_error_trap at ffffffff81023b78 #3 [ffffc90000857a58] exc_stack_segment at ffffffff81be1f45 #4 [ffffc90000857a80] asm_exc_stack_segment at ffffffff81c009de #5 [ffffc90000857b08] nfs_lookup at ffffffffa0302322 [nfs] #6 [ffffc90000857b70] __lookup_slow at ffffffff813a4a5f #7 [ffffc90000857c60] walk_component at ffffffff813a86c4 #8 [ffffc90000857cb8] path_lookupat at ffffffff813a9553 #9 [ffffc90000857cf0] filename_lookup at ffffffff813ab86b

The following products are affected by CVE-2022-49418 vulnerability.

Here, you will find a curated list of external links that provide in-depth information to CVE-2022-49418.

URL	Resource
https://git.kernel.org/stable/c/6015292653d95ba9f72906e2b65e536aa5807d64
https://git.kernel.org/stable/c/c3ed222745d9ad7b69299b349a64ba533c64a34f
https://lore.kernel.org/linux-cve-announce/2025022653-CVE-2022-49418-ff01@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2022-49418
https://www.cve.org/CVERecord?id=CVE-2022-49418