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    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
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    <lastBuildDate>Fri, 02 Oct 2026 01:49:14 +0000</lastBuildDate>
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      <title>CVE-2024-35921 — media: mediatek: vcodec: Fix oops when HEVC init fails</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2024-35921</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;media: mediatek: vcodec: Fix oops when HEVC init fails&lt;/p&gt;
&lt;p&gt;The stateless HEVC decoder saves the instance pointer in the context
regardless if the initialization worked or not. This caused a use after
free, when the pointer is freed in case of a failure in the deinit
function.
Only store the instance pointer when the initialization was successful,
to solve this issue.&lt;/p&gt;
&lt;p&gt;Hardware name: Acer Tomato (rev3 - 4) board (DT)
 pstate: 80400009 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
 pc : vcodec_vpu_send_msg+0x4c/0x190 [mtk_vcodec_dec]
 lr : vcodec_send_ap_ipi+0x78/0x170 [mtk_vcodec_dec]
 sp : ffff80008750bc20
 x29: ffff80008750bc20 x28: ffff1299f6d70000 x27: 0000000000000000
 x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000
 x23: ffff80008750bc98 x22: 000000000000a003 x21: ffffd45c4cfae000
 x20: 0000000000000010 x19: ffff1299fd668310 x18: 000000000000001a
 x17: 000000040044ffff x16: ffffd45cb15dc648 x15: 0000000000000000
 x14: ffff1299c08da1c0 x13: ffffd45cb1f87a10 x12: ffffd45cb2f5fe80
 x11: 0000000000000001 x10: 0000000000001b30 x9 : ffffd45c4d12b488
 x8 : 1fffe25339380d81 x7 : 0000000000000001 x6 : ffff1299c9c06c00
 x5 : 0000000000000132 x4 : 0000000000000000 x3 : 0000000000000000
 x2 : 0000000000000010 x1 : ffff80008750bc98 x0 : 0000000000000000
 Call trace:
  vcodec_vpu_send_msg+0x4c/0x190 [mtk_vcodec_dec]
  vcodec_send_ap_ipi+0x78/0x170 [mtk_vcodec_dec]
  vpu_dec_deinit+0x1c/0x30 [mtk_vco…&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;media: mediatek: vcodec: Fix oops when HEVC init fails&lt;/p&gt;
&lt;p&gt;The stateless HEVC decoder saves the instance pointer in the context
regardless if the initialization worked or not. This caused a use after
free, when the pointer is freed in case of a failure in the deinit
function.
Only store the instance pointer when the initialization was successful,
to solve this issue.&lt;/p&gt;
&lt;p&gt;Hardware name: Acer Tomato (rev3 - 4) board (DT)
 pstate: 80400009 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
 pc : vcodec_vpu_send_msg+0x4c/0x190 [mtk_vcodec_dec]
 lr : vcodec_send_ap_ipi+0x78/0x170 [mtk_vcodec_dec]
 sp : ffff80008750bc20
 x29: ffff80008750bc20 x28: ffff1299f6d70000 x27: 0000000000000000
 x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000
 x23: ffff80008750bc98 x22: 000000000000a003 x21: ffffd45c4cfae000
 x20: 0000000000000010 x19: ffff1299fd668310 x18: 000000000000001a
 x17: 000000040044ffff x16: ffffd45cb15dc648 x15: 0000000000000000
 x14: ffff1299c08da1c0 x13: ffffd45cb1f87a10 x12: ffffd45cb2f5fe80
 x11: 0000000000000001 x10: 0000000000001b30 x9 : ffffd45c4d12b488
 x8 : 1fffe25339380d81 x7 : 0000000000000001 x6 : ffff1299c9c06c00
 x5 : 0000000000000132 x4 : 0000000000000000 x3 : 0000000000000000
 x2 : 0000000000000010 x1 : ffff80008750bc98 x0 : 0000000000000000
 Call trace:
  vcodec_vpu_send_msg+0x4c/0x190 [mtk_vcodec_dec]
  vcodec_send_ap_ipi+0x78/0x170 [mtk_vcodec_dec]
  vpu_dec_deinit+0x1c/0x30 [mtk_vco…&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/cve-2024-35921</guid>
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