In the Linux kernel, the following vulnerability has been resolved:
drm/i915/perf: add sentinel to xehp_oa_b_counters
Arrays passed to reg_in_range_table should end with empty record.
The patch solves KASAN detected bug with signature:
BUG: KASAN: global-out-of-bounds in xehp_is_valid_b_counter_addr+0x2c7/0x350 [i915]
Read of size 4 at addr ffffffffa1555d90 by task perf/1518
CPU: 4 PID: 1518 Comm: perf Tainted: G U 6.4.0-kasan_438-g3303d06107f3+ #1
Hardware name: Intel Corporation Meteor Lake Client Platform/MTL-P DDR5 SODIMM SBS RVP, BIOS MTLPFWI1.R00.3223.D80.2305311348 05/31/2023
Call Trace:
<TASK>
...
xehp_is_valid_b_counter_addr+0x2c7/0x350 [i915]
(cherry picked from commit 2f42c5afb34b5696cf5fe79e744f99be9b218798)
References
Configurations
Configuration 1 (hide)
|
History
03 Feb 2026, 22:29
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://git.kernel.org/stable/c/21d92025e80629fd5c25cd6751f8cf38c784dd4a - Patch | |
| References | () https://git.kernel.org/stable/c/785b3f667b4bf98804cad135005e964df0c750de - Patch | |
| First Time |
Linux linux Kernel
Linux |
|
| CWE | CWE-125 | |
| CVSS |
v2 : v3 : |
v2 : unknown
v3 : 7.1 |
| CPE | cpe:2.3:o:linux:linux_kernel:6.5:rc2:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.5:rc1:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
Information
Published : 2025-10-07 16:15
Updated : 2026-02-03 22:29
NVD link : CVE-2023-53646
Mitre link : CVE-2023-53646
CVE.ORG link : CVE-2023-53646
JSON object : View
Products Affected
linux
- linux_kernel
CWE
CWE-125
Out-of-bounds Read