cve-2023-52860
Vulnerability from cvelistv5
Published
2024-05-21 15:31
Modified
2024-12-19 08:27
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: drivers/perf: hisi: use cpuhp_state_remove_instance_nocalls() for hisi_hns3_pmu uninit process When tearing down a 'hisi_hns3' PMU, we mistakenly run the CPU hotplug callbacks after the device has been unregistered, leading to fireworks when we try to execute empty function callbacks within the driver: | Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 | CPU: 0 PID: 15 Comm: cpuhp/0 Tainted: G W O 5.12.0-rc4+ #1 | Hardware name: , BIOS KpxxxFPGA 1P B600 V143 04/22/2021 | pstate: 80400009 (Nzcv daif +PAN -UAO -TCO BTYPE=--) | pc : perf_pmu_migrate_context+0x98/0x38c | lr : perf_pmu_migrate_context+0x94/0x38c | | Call trace: | perf_pmu_migrate_context+0x98/0x38c | hisi_hns3_pmu_offline_cpu+0x104/0x12c [hisi_hns3_pmu] Use cpuhp_state_remove_instance_nocalls() instead of cpuhp_state_remove_instance() so that the notifiers don't execute after the PMU device has been unregistered. [will: Rewrote commit message]
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3f5827371763f2d9c70719c270055a81d030f3d0Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4589403a343bb0c72a6faf5898386ff964d4e01aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/50b560783f7f71790bcf70e9e9855155fb0af8c1Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d04ff5437a45f275db5530efb49b68d0ec851f6fPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/3f5827371763f2d9c70719c270055a81d030f3d0Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/4589403a343bb0c72a6faf5898386ff964d4e01aPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/50b560783f7f71790bcf70e9e9855155fb0af8c1Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/d04ff5437a45f275db5530efb49b68d0ec851f6fPatch
Impacted products
Vendor Product Version
Linux Linux Version: 66637ab137b44914356a9dc7a9b3f8ebcf0b0695
Version: 66637ab137b44914356a9dc7a9b3f8ebcf0b0695
Version: 66637ab137b44914356a9dc7a9b3f8ebcf0b0695
Version: 66637ab137b44914356a9dc7a9b3f8ebcf0b0695
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   Linux Linux Version: 6.0
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