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    <lastBuildDate>Wed, 30 Sep 2026 21:33:38 +0000</lastBuildDate>
    <item>
      <title>CVE-2024-41057 — cachefiles: fix slab-use-after-free in cachefiles_withdraw_cookie()</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2024-41057</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;cachefiles: fix slab-use-after-free in cachefiles_withdraw_cookie()&lt;/p&gt;
&lt;p&gt;We got the following issue in our fault injection stress test:&lt;/p&gt;
&lt;p&gt;==================================================================
BUG: KASAN: slab-use-after-free in cachefiles_withdraw_cookie+0x4d9/0x600
Read of size 8 at addr ffff888118efc000 by task kworker/u78:0/109&lt;/p&gt;
&lt;p&gt;CPU: 13 PID: 109 Comm: kworker/u78:0 Not tainted 6.8.0-dirty #566
Call Trace:
 &amp;lt;TASK&amp;gt;
 kasan_report+0x93/0xc0
 cachefiles_withdraw_cookie+0x4d9/0x600
 fscache_cookie_state_machine+0x5c8/0x1230
 fscache_cookie_worker+0x91/0x1c0
 process_one_work+0x7fa/0x1800
 [...]&lt;/p&gt;
&lt;p&gt;Allocated by task 117:
 kmalloc_trace+0x1b3/0x3c0
 cachefiles_acquire_volume+0xf3/0x9c0
 fscache_create_volume_work+0x97/0x150
 process_one_work+0x7fa/0x1800
 [...]&lt;/p&gt;
&lt;p&gt;Freed by task 120301:
 kfree+0xf1/0x2c0
 cachefiles_withdraw_cache+0x3fa/0x920
 cachefiles_put_unbind_pincount+0x1f6/0x250
 cachefiles_daemon_release+0x13b/0x290
 __fput+0x204/0xa00
 task_work_run+0x139/0x230
 do_exit+0x87a/0x29b0
 [...]
==================================================================&lt;/p&gt;
&lt;p&gt;Following is the process that triggers the issue:&lt;/p&gt;
&lt;p&gt;p1                |             p2
------------------------------------------------------------
                              fscache_begin_lookup
                               fscache_begin_volume_access
                                fscache_cache_is_live(fscache_cache)
cachefiles_dae…&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;cachefiles: fix slab-use-after-free in cachefiles_withdraw_cookie()&lt;/p&gt;
&lt;p&gt;We got the following issue in our fault injection stress test:&lt;/p&gt;
&lt;p&gt;==================================================================
BUG: KASAN: slab-use-after-free in cachefiles_withdraw_cookie+0x4d9/0x600
Read of size 8 at addr ffff888118efc000 by task kworker/u78:0/109&lt;/p&gt;
&lt;p&gt;CPU: 13 PID: 109 Comm: kworker/u78:0 Not tainted 6.8.0-dirty #566
Call Trace:
 &amp;lt;TASK&amp;gt;
 kasan_report+0x93/0xc0
 cachefiles_withdraw_cookie+0x4d9/0x600
 fscache_cookie_state_machine+0x5c8/0x1230
 fscache_cookie_worker+0x91/0x1c0
 process_one_work+0x7fa/0x1800
 [...]&lt;/p&gt;
&lt;p&gt;Allocated by task 117:
 kmalloc_trace+0x1b3/0x3c0
 cachefiles_acquire_volume+0xf3/0x9c0
 fscache_create_volume_work+0x97/0x150
 process_one_work+0x7fa/0x1800
 [...]&lt;/p&gt;
&lt;p&gt;Freed by task 120301:
 kfree+0xf1/0x2c0
 cachefiles_withdraw_cache+0x3fa/0x920
 cachefiles_put_unbind_pincount+0x1f6/0x250
 cachefiles_daemon_release+0x13b/0x290
 __fput+0x204/0xa00
 task_work_run+0x139/0x230
 do_exit+0x87a/0x29b0
 [...]
==================================================================&lt;/p&gt;
&lt;p&gt;Following is the process that triggers the issue:&lt;/p&gt;
&lt;p&gt;p1                |             p2
------------------------------------------------------------
                              fscache_begin_lookup
                               fscache_begin_volume_access
                                fscache_cache_is_live(fscache_cache)
cachefiles_dae…&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/cve-2024-41057</guid>
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