CVE-2025-38212

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: ipc: fix to protect IPCS lookups using RCU syzbot reported that it discovered a use-after-free vulnerability, [0] [0]: https://lore.kernel.org/all/67af13f8.050a0220.21dd3.0038.GAE@google.com/ idr_for_each() is protected by rwsem, but this is not enough. If it is not protected by RCU read-critical region, when idr_for_each() calls radix_tree_node_free() through call_rcu() to free the radix_tree_node structure, the node will be freed immediately, and when reading the next node in radix_tree_for_each_slot(), the already freed...

Affected product and versions

Product

Linux Linux, SIMATIC S7-1500 CPU 1518-4 PN/DP MFP, SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP

Affected versions

>= b34a6b1da371ed8af1221459a18c67970f7e3d53 < 5f1e1573bf103303944fd7225559de5d8297539c, >= b34a6b1da371ed8af1221459a18c67970f7e3d53 < b968ba8bfd9f90914957bbbd815413bf6a98eca7, >= b34a6b1da371ed8af1221459a18c67970f7e3d53 < 74bc813d11c30e28fc5261dc877cca662ccfac68, >= b34a6b1da371ed8af1221459a18c67970f7e3d53 < 78297d53d3878d43c1d627d20cd09f611fa4b91d, >= b34a6b1da371ed8af1221459a18c67970f7e3d53 < 5180561afff8e0f029073c8c8117c95c6512d1f9, >= b34a6b1da371ed8af1221459a18c67970f7e3d53 < 68c173ea138b66d7dd1fd980c9bc578a18e11884, >= b34a6b1da371ed8af1221459a18c67970f7e3d53 < b0b6bf90ce2699a574b3683e22c44d0dcdd7a057, >= b34a6b1da371ed8af1221459a18c67970f7e3d53 < d66adabe91803ef34a8b90613c81267b5ded1472, >= 3.1, >= V3.1.5, >= 3.1 < 5.4.295, >= 5.5 < 5.10.239, >= 5.11 < 5.15.186, >= 5.16 < 6.1.142, >= 6.2 < 6.6.95, >= 6.7 < 6.12.35, >= 6.13 < 6.15.4, 11.0

Fixed versions

5.4.295, 5.10.239, 5.15.186, 6.1.142, 6.6.95, 6.12.35, 6.15.4

Technical data

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-416