Bug 2253957 (CVE-2023-50431) - CVE-2023-50431 kernel: information leak in sec_attest_info
Summary: CVE-2023-50431 kernel: information leak in sec_attest_info
Keywords:
Status: NEW
Alias: CVE-2023-50431
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2253960
Blocks: 2253961
TreeView+ depends on / blocked
 
Reported: 2023-12-11 09:44 UTC by ybuenos
Modified: 2024-02-28 06:19 UTC (History)
46 users (show)

Fixed In Version: kernel 6.8-rc1
Doc Type: If docs needed, set a value
Doc Text:
An information leak vulnerability was found in the Linux kernel. This issue occurs because of a missing initialization in the habanalabs driver, resulting in a leak of kernel heap data to user space.
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)

Description ybuenos 2023-12-11 09:44:10 UTC 
sec_attest_info in drivers/accel/habanalabs/common/habanalabs_ioctl.c in the Linux kernel through 6.6.5 allows an information leak to user space because info->pad0 is not initialized.
Comment 2 ybuenos 2023-12-11 09:52:55 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2253960]
Comment 3 Mauro Matteo Cascella 2024-02-16 13:38:36 UTC 
Upstream fix:
https://github.com/torvalds/linux/commit/a9f07790a4b2250f0140e9a61c7f842fd9b618c7
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