CVE - CVE-2023-52672

CVE-ID
CVE-2023-52672	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
In the Linux kernel, the following vulnerability has been resolved: pipe: wakeup wr_wait after setting max_usage Commit c73be61cede5 ("pipe: Add general notification queue support") a regression was introduced that would lock up resized pipes under certain conditions. See the reproducer in [1]. The commit resizing the pipe ring size was moved to a different function, doing that moved the wakeup for pipe->wr_wait before actually raising pipe->max_usage. If a pipe was full before the resize occured it would result in the wakeup never actually triggering pipe_write. Set @max_usage and @nr_accounted before waking writers if this isn't a watch queue. [Christian Brauner <brauner@kernel.org>: rewrite to account for watch queues]
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/162ae0e78bdabf84ef10c1293c4ed7865cb7d3c8 URL:https://git.kernel.org/stable/c/162ae0e78bdabf84ef10c1293c4ed7865cb7d3c8 MISC:https://git.kernel.org/stable/c/3efbd114b91525bb095b8ae046382197d92126b9 URL:https://git.kernel.org/stable/c/3efbd114b91525bb095b8ae046382197d92126b9 MISC:https://git.kernel.org/stable/c/68e51bdb1194f11d3452525b99c98aff6f837b24 URL:https://git.kernel.org/stable/c/68e51bdb1194f11d3452525b99c98aff6f837b24 MISC:https://git.kernel.org/stable/c/6fb70694f8d1ac34e45246b0ac988f025e1e5b55 URL:https://git.kernel.org/stable/c/6fb70694f8d1ac34e45246b0ac988f025e1e5b55 MISC:https://git.kernel.org/stable/c/b87a1229d8668fbc78ebd9ca0fc797a76001c60f URL:https://git.kernel.org/stable/c/b87a1229d8668fbc78ebd9ca0fc797a76001c60f MISC:https://git.kernel.org/stable/c/e95aada4cb93d42e25c30a0ef9eb2923d9711d4a URL:https://git.kernel.org/stable/c/e95aada4cb93d42e25c30a0ef9eb2923d9711d4a
Assigning CNA
kernel.org
Date Record Created
20240307	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20240307)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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