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    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
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    <lastBuildDate>Thu, 01 Oct 2026 02:46:22 +0000</lastBuildDate>
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      <title>CVE-2023-53646 — drm/i915/perf: add sentinel to xehp_oa_b_counters</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2023-53646</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Linux&lt;/p&gt;
&lt;p&gt;In the Linux kernel, the following vulnerability has been resolved:&lt;/p&gt;
&lt;p&gt;drm/i915/perf: add sentinel to xehp_oa_b_counters&lt;/p&gt;
&lt;p&gt;Arrays passed to reg_in_range_table should end with empty record.&lt;/p&gt;
&lt;p&gt;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&lt;/p&gt;
&lt;p&gt;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:
&amp;lt;TASK&amp;gt;
...
xehp_is_valid_b_counter_addr+0x2c7/0x350 [i915]&lt;/p&gt;
&lt;p&gt;(cherry picked from commit 2f42c5afb34b5696cf5fe79e744f99be9b218798)&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Linux&lt;/p&gt;
&lt;p&gt;In the Linux kernel, the following vulnerability has been resolved:&lt;/p&gt;
&lt;p&gt;drm/i915/perf: add sentinel to xehp_oa_b_counters&lt;/p&gt;
&lt;p&gt;Arrays passed to reg_in_range_table should end with empty record.&lt;/p&gt;
&lt;p&gt;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&lt;/p&gt;
&lt;p&gt;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:
&amp;lt;TASK&amp;gt;
...
xehp_is_valid_b_counter_addr+0x2c7/0x350 [i915]&lt;/p&gt;
&lt;p&gt;(cherry picked from commit 2f42c5afb34b5696cf5fe79e744f99be9b218798)&lt;/p&gt;</content:encoded>
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