In the Linux kernel, the following vulnerability has been resolved:
block: fix potential invalid pointer dereference in blk_add_partition
The blk_add_partition() function initially used a single if-condition
(IS_ERR(part)) to check for errors when adding a partition. This was
modified to handle the specific case of -ENXIO separately, allowing the
function to proceed without logging the error in this case. However,
this change unintentionally left a path where md_autodetect_dev()
could be called without confirming that part is a valid pointer.
This commit separates the error handling logic by splitting the
initial if-condition, improving code readability and handling specific
error scenarios explicitly. The function now distinguishes the general
error case from -ENXIO without altering the existing behavior of
md_autodetect_dev() calls.
Metrics
Affected Vendors & Products
References
History
Mon, 03 Nov 2025 23:30:00 +0000
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Mon, 03 Nov 2025 21:30:00 +0000
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Wed, 14 May 2025 02:30:00 +0000
| Type | Values Removed | Values Added |
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| First Time appeared |
Redhat
Redhat enterprise Linux |
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| CPEs | cpe:/a:redhat:enterprise_linux:9 cpe:/o:redhat:enterprise_linux:9 |
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| Vendors & Products |
Redhat
Redhat enterprise Linux |
Thu, 24 Oct 2024 14:00:00 +0000
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| First Time appeared |
Linux
Linux linux Kernel |
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| Weaknesses | CWE-476 | |
| CPEs | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Linux
Linux linux Kernel |
Tue, 22 Oct 2024 01:30:00 +0000
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threat_severity
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cvssV3_1
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Mon, 21 Oct 2024 13:15:00 +0000
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ssvc
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Mon, 21 Oct 2024 12:00:00 +0000
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| Description | In the Linux kernel, the following vulnerability has been resolved: block: fix potential invalid pointer dereference in blk_add_partition The blk_add_partition() function initially used a single if-condition (IS_ERR(part)) to check for errors when adding a partition. This was modified to handle the specific case of -ENXIO separately, allowing the function to proceed without logging the error in this case. However, this change unintentionally left a path where md_autodetect_dev() could be called without confirming that part is a valid pointer. This commit separates the error handling logic by splitting the initial if-condition, improving code readability and handling specific error scenarios explicitly. The function now distinguishes the general error case from -ENXIO without altering the existing behavior of md_autodetect_dev() calls. | |
| Title | block: fix potential invalid pointer dereference in blk_add_partition | |
| References |
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Status: PUBLISHED
Assigner: Linux
Published: 2024-10-21T11:53:40.071Z
Updated: 2025-11-03T22:21:08.827Z
Reserved: 2024-09-30T16:00:12.946Z
Link: CVE-2024-47705
Updated: 2024-10-21T13:04:04.530Z
Status : Modified
Published: 2024-10-21T12:15:07.020
Modified: 2025-11-03T23:16:18.097
Link: CVE-2024-47705