Bug 2215837 (CVE-2023-35825) - CVE-2023-35825 kernel: r592: race condition leading to use-after-free in r592_remove()
Summary: CVE-2023-35825 kernel: r592: race condition leading to use-after-free in r592...
Keywords:
Status: NEW
Alias: CVE-2023-35825
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Nobody
QA Contact:
URL:
Whiteboard:
Depends On: 2215906 2215907 2216152 2216153 2215914
Blocks: 2215849
TreeView+ depends on / blocked
 
Reported: 2023-06-19 06:18 UTC by TEJ RATHI
Modified: 2023-07-07 08:35 UTC (History)
45 users (show)

Fixed In Version: kernel 6.4-rc1
Doc Type: If docs needed, set a value
Doc Text:
A race condition was found in the Linux kernel's r592 device driver, when removing the module before cleanup in the r592_remove function. This can result in a use-after-free issue, possibly leading to a system crash or other undefined behaviors.
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Description TEJ RATHI 2023-06-19 06:18:56 UTC 
An issue was discovered in the Linux kernel before 6.3.4. A use-after-free was found in r592_remove in drivers/memstick/host/r592.c.

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=63264422785021704c39b38f65a78ab9e4a186d7
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.4
https://lore.kernel.org/lkml/20230501030540.3254928-4-sashal@kernel.org/
https://lore.kernel.org/all/20230523164950.435226211@linuxfoundation.org/
Comment 2 TEJ RATHI 2023-06-19 11:19:44 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2215914]
Comment 5 Justin M. Forbes 2023-06-21 14:40:39 UTC 
This was fixed for Fedora with the 6.3.4 stable kernel updates.
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