CVE-2025-39683

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: tracing: Limit access to parser->buffer when trace_get_user failed When the length of the string written to set_ftrace_filter exceeds FTRACE_BUFF_MAX, the following KASAN alarm will be triggered: BUG: KASAN: slab-out-of-bounds in strsep+0x18c/0x1b0 Read of size 1 at addr ffff0000d00bd5ba by task ash/165 CPU: 1 UID: 0 PID: 165 Comm: ash Not tainted 6.16.0-g6bcdbd62bd56-dirty Hardware name: linux,dummy-virt (DT) Call trace: show_stack+0x34/0x50 (C) dump_stack_lvl+0xa0/0x158 print_address_description.constprop.0+0x88/0x398 pri...

Affected product and versions

Product

Linux Linux, SIMATIC CN 4100, SIMATIC S7-1500 CPU 1518-4 PN/DP MFP

Affected versions

>= 634684d79733124f7470b226b0f42aada4426b07 < b842ef39c2ad6156c13afdec25ecc6792a9b67b9, >= 8c9af478c06bb1ab1422f90d8ecbc53defd44bc3 < 41b838420457802f21918df66764b6fbf829d330, >= 8c9af478c06bb1ab1422f90d8ecbc53defd44bc3 < 418b448e1d7470da9d4d4797f71782595ee69c49, >= 8c9af478c06bb1ab1422f90d8ecbc53defd44bc3 < 58ff8064cb4c7eddac4da1a59da039ead586950a, >= 8c9af478c06bb1ab1422f90d8ecbc53defd44bc3 < d0c68045b8b0f3737ed7bd6b8c83b7887014adee, >= 8c9af478c06bb1ab1422f90d8ecbc53defd44bc3 < 3079517a5ba80901fe828a06998da64b9b8749be, >= 8c9af478c06bb1ab1422f90d8ecbc53defd44bc3 < 6a909ea83f226803ea0e718f6e88613df9234d58, >= 24cd31752f47699b89b4b3471155c8e599a1a23a, >= e9cb474de7ff7a970c2a3951c12ec7e3113c0c35, >= 6ab671191f64b0da7d547e2ad4dc199ca7e5b558, >= 3d9281a4ac7171c808f9507f0937eb236b353905, >= 0b641b25870f02e2423e494365fc5243cc1e2759, >= ffd51dbfd2900e50c71b5c069fe407957e52d61f, >= cdd107d7f18158d966c2bc136204fe826dac445c, >= 5.10.36 < 5.10.241, >= 4.4.269 < 4.5, >= 4.9.269 < 4.10, >= 4.14.233 < 4.15, >= 4.19.191 < 4.20, >= 5.4.118 < 5.5

Fixed versions

4.5, 4.10, 4.15, 4.20, 5.5, 5.10.241, 5.12, 5.15.190, 6.1.149, 6.6.103, 6.12.44, 6.16.4

Technical data

CVSS vector

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

CWE

CWE-125