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    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
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    <lastBuildDate>Sat, 03 Oct 2026 19:36:01 +0000</lastBuildDate>
    <item>
      <title>CVE-2026-23211 — mm, swap: restore swap_space attr aviod kernel panic</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-23211</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;mm, swap: restore swap_space attr aviod kernel panic&lt;/p&gt;
&lt;p&gt;commit 8b47299a411a (&amp;#34;mm, swap: mark swap address space ro and add context
debug check&amp;#34;) made the swap address space read-only.  It may lead to
kernel panic if arch_prepare_to_swap returns a failure under heavy memory
pressure as follows,&lt;/p&gt;
&lt;p&gt;el1_abort+0x40/0x64
el1h_64_sync_handler+0x48/0xcc
el1h_64_sync+0x84/0x88
errseq_set+0x4c/0xb8 (P)
__filemap_set_wb_err+0x20/0xd0
shrink_folio_list+0xc20/0x11cc
evict_folios+0x1520/0x1be4
try_to_shrink_lruvec+0x27c/0x3dc
shrink_one+0x9c/0x228
shrink_node+0xb3c/0xeac
do_try_to_free_pages+0x170/0x4f0
try_to_free_pages+0x334/0x534
__alloc_pages_direct_reclaim+0x90/0x158
__alloc_pages_slowpath+0x334/0x588
__alloc_frozen_pages_noprof+0x224/0x2fc
__folio_alloc_noprof+0x14/0x64
vma_alloc_zeroed_movable_folio+0x34/0x44
do_pte_missing+0xad4/0x1040
handle_mm_fault+0x4a4/0x790
do_page_fault+0x288/0x5f8
do_translation_fault+0x38/0x54
do_mem_abort+0x54/0xa8&lt;/p&gt;
&lt;p&gt;Restore swap address space as not ro to avoid the panic.&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;mm, swap: restore swap_space attr aviod kernel panic&lt;/p&gt;
&lt;p&gt;commit 8b47299a411a (&amp;#34;mm, swap: mark swap address space ro and add context
debug check&amp;#34;) made the swap address space read-only.  It may lead to
kernel panic if arch_prepare_to_swap returns a failure under heavy memory
pressure as follows,&lt;/p&gt;
&lt;p&gt;el1_abort+0x40/0x64
el1h_64_sync_handler+0x48/0xcc
el1h_64_sync+0x84/0x88
errseq_set+0x4c/0xb8 (P)
__filemap_set_wb_err+0x20/0xd0
shrink_folio_list+0xc20/0x11cc
evict_folios+0x1520/0x1be4
try_to_shrink_lruvec+0x27c/0x3dc
shrink_one+0x9c/0x228
shrink_node+0xb3c/0xeac
do_try_to_free_pages+0x170/0x4f0
try_to_free_pages+0x334/0x534
__alloc_pages_direct_reclaim+0x90/0x158
__alloc_pages_slowpath+0x334/0x588
__alloc_frozen_pages_noprof+0x224/0x2fc
__folio_alloc_noprof+0x14/0x64
vma_alloc_zeroed_movable_folio+0x34/0x44
do_pte_missing+0xad4/0x1040
handle_mm_fault+0x4a4/0x790
do_page_fault+0x288/0x5f8
do_translation_fault+0x38/0x54
do_mem_abort+0x54/0xa8&lt;/p&gt;
&lt;p&gt;Restore swap address space as not ro to avoid the panic.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/cve-2026-23211</guid>
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