CVE-2024-46761 (GCVE-0-2024-46761)

Vulnerability from cvelistv5 – Published: 2024-09-18 07:12 – Updated: 2026-01-05 10:53
VLAI?
Title
pci/hotplug/pnv_php: Fix hotplug driver crash on Powernv
Summary
In the Linux kernel, the following vulnerability has been resolved: pci/hotplug/pnv_php: Fix hotplug driver crash on Powernv The hotplug driver for powerpc (pci/hotplug/pnv_php.c) causes a kernel crash when we try to hot-unplug/disable the PCIe switch/bridge from the PHB. The crash occurs because although the MSI data structure has been released during disable/hot-unplug path and it has been assigned with NULL, still during unregistration the code was again trying to explicitly disable the MSI which causes the NULL pointer dereference and kernel crash. The patch fixes the check during unregistration path to prevent invoking pci_disable_msi/msix() since its data structure is already freed.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 49f4b08e61547a5ccd2db551d994c4503efe5666 , < 4eb4085c1346d19d4a05c55246eb93e74e671048 (git)
Affected: 49f4b08e61547a5ccd2db551d994c4503efe5666 , < c4c681999d385e28f84808bbf3a85ea8e982da55 (git)
Affected: 49f4b08e61547a5ccd2db551d994c4503efe5666 , < bc1faed19db95abf0933b104910a3fb01b138f59 (git)
Affected: 49f4b08e61547a5ccd2db551d994c4503efe5666 , < c0d8094dc740cfacf3775bbc6a1c4720459e8de4 (git)
Affected: 49f4b08e61547a5ccd2db551d994c4503efe5666 , < 438d522227374042b5c8798f8ce83bbe479dca4d (git)
Affected: 49f4b08e61547a5ccd2db551d994c4503efe5666 , < b82d4d5c736f4fd2ed224c35f554f50d1953d21e (git)
Affected: 49f4b08e61547a5ccd2db551d994c4503efe5666 , < bfc44075b19740d372f989f21dd03168bfda0689 (git)
Affected: 49f4b08e61547a5ccd2db551d994c4503efe5666 , < 335e35b748527f0c06ded9eebb65387f60647fda (git)
Affected: 1fb738a3dc1304250c755e5e31715137c1c44c50 (git)
Affected: bc4c9766324a7e9fda48de58691796430c8511bf (git)
Create a notification for this product.
    Linux Linux Affected: 4.11
Unaffected: 0 , < 4.11 (semver)
Unaffected: 4.19.322 , ≤ 4.19.* (semver)
Unaffected: 5.4.284 , ≤ 5.4.* (semver)
Unaffected: 5.10.226 , ≤ 5.10.* (semver)
Unaffected: 5.15.167 , ≤ 5.15.* (semver)
Unaffected: 6.1.110 , ≤ 6.1.* (semver)
Unaffected: 6.6.51 , ≤ 6.6.* (semver)
Unaffected: 6.10.10 , ≤ 6.10.* (semver)
Unaffected: 6.11 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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  • 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.
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  • 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.