CVE-2024-36896 (GCVE-0-2024-36896)

Vulnerability from cvelistv5 – Published: 2024-05-30 15:29 – Updated: 2025-05-04 09:11
VLAI?
Title
USB: core: Fix access violation during port device removal
Summary
In the Linux kernel, the following vulnerability has been resolved: USB: core: Fix access violation during port device removal Testing with KASAN and syzkaller revealed a bug in port.c:disable_store(): usb_hub_to_struct_hub() can return NULL if the hub that the port belongs to is concurrently removed, but the function does not check for this possibility before dereferencing the returned value. It turns out that the first dereference is unnecessary, since hub->intfdev is the parent of the port device, so it can be changed easily. Adding a check for hub == NULL prevents further problems. The same bug exists in the disable_show() routine, and it can be fixed the same way.
Severity ?
9.1 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: f061f43d7418cb62b8d073e221ec75d3f5b89e17 , < 5f1d68ef5ddac27c6b997adccd1c339cef1e6848 (git)
Affected: f061f43d7418cb62b8d073e221ec75d3f5b89e17 , < 63533549ff53d24daf47c443dbd43c308afc3434 (git)
Affected: f061f43d7418cb62b8d073e221ec75d3f5b89e17 , < 6119ef6517ce501fc548154691abdaf1f954a277 (git)
Affected: f061f43d7418cb62b8d073e221ec75d3f5b89e17 , < a4b46d450c49f32e9d4247b421e58083fde304ce (git)
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    Linux Linux Affected: 6.0
Unaffected: 0 , < 6.0 (semver)
Unaffected: 6.1.91 , ≤ 6.1.* (semver)
Unaffected: 6.6.31 , ≤ 6.6.* (semver)
Unaffected: 6.8.10 , ≤ 6.8.* (semver)
Unaffected: 6.9 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website
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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.