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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 21:51:15 +0000</lastBuildDate>
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      <title>CVE-2022-50336 — fs/ntfs3: Add null pointer check to attr_load_runs_vcn</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2022-50336</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;fs/ntfs3: Add null pointer check to attr_load_runs_vcn&lt;/p&gt;
&lt;p&gt;Some metadata files are handled before MFT. This adds a null pointer
check for some corner cases that could lead to NPD while reading these
metadata files for a malformed NTFS image.&lt;/p&gt;
&lt;p&gt;[  240.190827] BUG: kernel NULL pointer dereference, address: 0000000000000158
[  240.191583] #PF: supervisor read access in kernel mode
[  240.191956] #PF: error_code(0x0000) - not-present page
[  240.192391] PGD 0 P4D 0
[  240.192897] Oops: 0000 [#1] PREEMPT SMP KASAN NOPTI
[  240.193805] CPU: 0 PID: 242 Comm: mount Tainted: G    B             5.19.0+ #17
[  240.194477] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
[  240.195152] RIP: 0010:ni_find_attr+0xae/0x300
[  240.195679] Code: c8 48 c7 45 88 c0 4e 5e 86 c7 00 f1 f1 f1 f1 c7 40 04 00 f3 f3 f3 65 48 8b 04 25 28 00 00 00 48 89 45 d0 31 c0 e8 e2 d9f
[  240.196642] RSP: 0018:ffff88800812f690 EFLAGS: 00000286
[  240.197019] RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff85ef037a
[  240.197523] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffffff88e95f60
[  240.197877] RBP: ffff88800812f738 R08: 0000000000000001 R09: fffffbfff11d2bed
[  240.198292] R10: ffffffff88e95f67 R11: fffffbfff11d2bec R12: 0000000000000000
[  240.198647] R13: 0000000000000080 R14: 0000000000000000 R15: 0000000000000000
[  240.199410] FS:  00007f233c33be40(0000) G…&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;fs/ntfs3: Add null pointer check to attr_load_runs_vcn&lt;/p&gt;
&lt;p&gt;Some metadata files are handled before MFT. This adds a null pointer
check for some corner cases that could lead to NPD while reading these
metadata files for a malformed NTFS image.&lt;/p&gt;
&lt;p&gt;[  240.190827] BUG: kernel NULL pointer dereference, address: 0000000000000158
[  240.191583] #PF: supervisor read access in kernel mode
[  240.191956] #PF: error_code(0x0000) - not-present page
[  240.192391] PGD 0 P4D 0
[  240.192897] Oops: 0000 [#1] PREEMPT SMP KASAN NOPTI
[  240.193805] CPU: 0 PID: 242 Comm: mount Tainted: G    B             5.19.0+ #17
[  240.194477] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
[  240.195152] RIP: 0010:ni_find_attr+0xae/0x300
[  240.195679] Code: c8 48 c7 45 88 c0 4e 5e 86 c7 00 f1 f1 f1 f1 c7 40 04 00 f3 f3 f3 65 48 8b 04 25 28 00 00 00 48 89 45 d0 31 c0 e8 e2 d9f
[  240.196642] RSP: 0018:ffff88800812f690 EFLAGS: 00000286
[  240.197019] RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff85ef037a
[  240.197523] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffffff88e95f60
[  240.197877] RBP: ffff88800812f738 R08: 0000000000000001 R09: fffffbfff11d2bed
[  240.198292] R10: ffffffff88e95f67 R11: fffffbfff11d2bec R12: 0000000000000000
[  240.198647] R13: 0000000000000080 R14: 0000000000000000 R15: 0000000000000000
[  240.199410] FS:  00007f233c33be40(0000) G…&lt;/p&gt;</content:encoded>
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