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gsd-2023-52672
Vulnerability from gsd
Modified
2024-03-08 06:01
Details
** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided.
Aliases
{
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"type": "vulnerability"
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}
cve-2023-52672
Vulnerability from cvelistv5
Published
2024-05-17 14:02
Modified
2024-12-19 08:23
Severity ?
EPSS score ?
Summary
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
Impacted products
| Vendor | Product | Version | |||||
|---|---|---|---|---|---|---|---|
| ▼ | Linux | Linux |
Version: c73be61cede5882f9605a852414db559c0ebedfd Version: c73be61cede5882f9605a852414db559c0ebedfd Version: c73be61cede5882f9605a852414db559c0ebedfd Version: c73be61cede5882f9605a852414db559c0ebedfd Version: c73be61cede5882f9605a852414db559c0ebedfd Version: c73be61cede5882f9605a852414db559c0ebedfd |
||||
|
|||||||
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.