CVE-2024-50093 Affecting gfs2-kmp-default package, versions <5.14.21-150500.55.88.1
Threat Intelligence
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Test your applications- Snyk IDSNYK-SLES155-GFS2KMPDEFAULT-8526414
- published18 Dec 2024
- disclosed17 Dec 2024
Introduced: 17 Dec 2024
NewCVE-2024-50093 (opens in a new tab)How to fix?
Upgrade SLES:15.5 gfs2-kmp-default to version 5.14.21-150500.55.88.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream gfs2-kmp-default package and not the gfs2-kmp-default package as distributed by SLES.
See How to fix? for SLES:15.5 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
thermal: intel: int340x: processor: Fix warning during module unload
The processor_thermal driver uses pcim_device_enable() to enable a PCI device, which means the device will be automatically disabled on driver detach. Thus there is no need to call pci_disable_device() again on it.
With recent PCI device resource management improvements, e.g. commit f748a07a0b64 ("PCI: Remove legacy pcim_release()"), this problem is exposed and triggers the warining below.
[ 224.010735] proc_thermal_pci 0000:00:04.0: disabling already-disabled device [ 224.010747] WARNING: CPU: 8 PID: 4442 at drivers/pci/pci.c:2250 pci_disable_device+0xe5/0x100 ... [ 224.010844] Call Trace: [ 224.010845] <TASK> [ 224.010847] ? show_regs+0x6d/0x80 [ 224.010851] ? __warn+0x8c/0x140 [ 224.010854] ? pci_disable_device+0xe5/0x100 [ 224.010856] ? report_bug+0x1c9/0x1e0 [ 224.010859] ? handle_bug+0x46/0x80 [ 224.010862] ? exc_invalid_op+0x1d/0x80 [ 224.010863] ? asm_exc_invalid_op+0x1f/0x30 [ 224.010867] ? pci_disable_device+0xe5/0x100 [ 224.010869] ? pci_disable_device+0xe5/0x100 [ 224.010871] ? kfree+0x21a/0x2b0 [ 224.010873] pcim_disable_device+0x20/0x30 [ 224.010875] devm_action_release+0x16/0x20 [ 224.010878] release_nodes+0x47/0xc0 [ 224.010880] devres_release_all+0x9f/0xe0 [ 224.010883] device_unbind_cleanup+0x12/0x80 [ 224.010885] device_release_driver_internal+0x1ca/0x210 [ 224.010887] driver_detach+0x4e/0xa0 [ 224.010889] bus_remove_driver+0x6f/0xf0 [ 224.010890] driver_unregister+0x35/0x60 [ 224.010892] pci_unregister_driver+0x44/0x90 [ 224.010894] proc_thermal_pci_driver_exit+0x14/0x5f0 [processor_thermal_device_pci] ... [ 224.010921] ---[ end trace 0000000000000000 ]---
Remove the excess pci_disable_device() calls.
[ rjw: Subject and changelog edits ]
References
- https://www.suse.com/security/cve/CVE-2024-50093.html
- https://bugzilla.suse.com/1232877
- https://git.kernel.org/stable/c/434525a864136c928b54fd2512b4c0167c207463
- https://git.kernel.org/stable/c/8403021b6f32d68a7e3a6b8428ecaf5c153a9974
- https://git.kernel.org/stable/c/99ca0b57e49fb73624eede1c4396d9e3d10ccf14
- https://git.kernel.org/stable/c/b4ab78f4adeaf6c98be5d375518dd4fb666eac5e
- https://git.kernel.org/stable/c/dd64ea03375618684477f946be4f5e253f8676c2