CVE-2024-50057: usb: typec: tipd: Free IRQ only if it was requested before
First published: Mon Oct 21 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: usb: typec: tipd: Free IRQ only if it was requested before In polling mode, if no IRQ was requested there is no need to free it. Call devm_free_irq() only if client->irq is set. This fixes the warning caused by the tps6598x module removal: WARNING: CPU: 2 PID: 333 at kernel/irq/devres.c:144 devm_free_irq+0x80/0x8c ... ... Call trace: devm_free_irq+0x80/0x8c tps6598x_remove+0x28/0x88 [tps6598x] i2c_device_remove+0x2c/0x9c device_remove+0x4c/0x80 device_release_driver_internal+0x1cc/0x228 driver_detach+0x50/0x98 bus_remove_driver+0x6c/0xbc driver_unregister+0x30/0x60 i2c_del_driver+0x54/0x64 tps6598x_i2c_driver_exit+0x18/0xc3c [tps6598x] __arm64_sys_delete_module+0x184/0x264 invoke_syscall+0x48/0x110 el0_svc_common.constprop.0+0xc8/0xe8 do_el0_svc+0x20/0x2c el0_svc+0x28/0x98 el0t_64_sync_handler+0x13c/0x158 el0t_64_sync+0x190/0x194
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | <6.6.57 | |
| Linux Kernel | >=6.7<6.11.4 |
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Reference Links
- https://git.kernel.org/stable/c/b72bf5cade51ba4055c8a8998d275e72e6b521ce
- https://git.kernel.org/stable/c/4d4b23c119542fbaed2a16794d3801cb4806ea02
- https://git.kernel.org/stable/c/db63d9868f7f310de44ba7bea584e2454f8b4ed0
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-50057
- https://nvd.nist.gov/vuln/detail/CVE-2024-50057
- https://launchpad.net/bugs/cve/CVE-2024-50057
- https://security-tracker.debian.org/tracker/CVE-2024-50057
- https://ubuntu.com/security/CVE-2024-50057
Frequently Asked Questions
What is the severity of CVE-2024-50057?
The severity of CVE-2024-50057 is classified as low due to its limited impact.
How does CVE-2024-50057 affect the Linux kernel?
CVE-2024-50057 affects the Linux kernel by causing warnings when freeing IRQs that were not requested in polling mode.
How do I fix CVE-2024-50057?
To fix CVE-2024-50057, ensure you update to a patched version of the Linux kernel that resolves this issue.
Which versions of the Linux kernel are affected by CVE-2024-50057?
CVE-2024-50057 affects Linux kernel versions between 6.7 and 6.11.4, as well as versions up to 6.6.57.
What changes were made in the fix for CVE-2024-50057?
The fix for CVE-2024-50057 includes updating the code to call devm_free_irq() only if client->irq is set.
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