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CVE-2021-47049

UNKNOWN
Published 2024-02-28T08:13:52.168Z
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No CVSS data available

Description

In the Linux kernel, the following vulnerability has been resolved:

Drivers: hv: vmbus: Use after free in __vmbus_open()

The "open_info" variable is added to the &vmbus_connection.chn_msg_list,
but the error handling frees "open_info" without removing it from the
list. This will result in a use after free. First remove it from the
list, and then free it.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Linux

Linux

Affected Versions:

6f3d791f300618caf82a2be0c27456edd76d5164 6f3d791f300618caf82a2be0c27456edd76d5164 6f3d791f300618caf82a2be0c27456edd76d5164 6f3d791f300618caf82a2be0c27456edd76d5164 6b32d45bd59982751beb8220e442b40b2706647f
Linux

Linux

Affected Versions:

4.14 0 5.10.37 5.11.21 5.12.4 5.13

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-vw5q-4j3r-jcj8

Advisory Details

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Use after free in __vmbus_open() The "open_info" variable is added to the &vmbus_connection.chn_msg_list, but the error handling frees "open_info" without removing it from the list. This will result in a use after free. First remove it from the list, and then free it.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-47049
WEB https://git.kernel.org/stable/c/2728f289b3270b0e273292b46c534421a33bbfd5
WEB https://git.kernel.org/stable/c/3e9bf43f7f7a46f21ec071cb47be92d0874c48da
WEB https://git.kernel.org/stable/c/d5c7b42c9f56ca46b286daa537d181bd7f69214f
WEB https://git.kernel.org/stable/c/f37dd5d1b5d38a79a4f7b8dd7bbb705505f05560

Advisory provided by GitHub Security Advisory Database. Published: February 28, 2024, Modified: December 9, 2024

References

https://git.kernel.org/stable/c/d5c7b42c9f56ca46b286daa537d181bd7f69214f
https://git.kernel.org/stable/c/f37dd5d1b5d38a79a4f7b8dd7bbb705505f05560
https://git.kernel.org/stable/c/2728f289b3270b0e273292b46c534421a33bbfd5
https://git.kernel.org/stable/c/3e9bf43f7f7a46f21ec071cb47be92d0874c48da
Published: 2024-02-28T08:13:52.168Z
Last Modified: 2025-05-04T12:40:57.653Z
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