cve-2024-38553
Vulnerability from cvelistv5
Published
2024-06-19 13:35
Modified
2024-12-19 09:04
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: net: fec: remove .ndo_poll_controller to avoid deadlocks There is a deadlock issue found in sungem driver, please refer to the commit ac0a230f719b ("eth: sungem: remove .ndo_poll_controller to avoid deadlocks"). The root cause of the issue is that netpoll is in atomic context and disable_irq() is called by .ndo_poll_controller interface of sungem driver, however, disable_irq() might sleep. After analyzing the implementation of fec_poll_controller(), the fec driver should have the same issue. Due to the fec driver uses NAPI for TX completions, the .ndo_poll_controller is unnecessary to be implemented in the fec driver, so fec_poll_controller() can be safely removed.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/87bcbc9b7e0b43a69d44efa5f32f11e32d08fa6fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/accdd6b912c4219b8e056d1f1ad2e85bc66ee243Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c2e0c58b25a0a0c37ec643255558c5af4450c9f5Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d38625f71950e79e254515c5fc585552dad4b33ePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e2348d8c61d03feece1de4c05f72e6e99f74c650
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/87bcbc9b7e0b43a69d44efa5f32f11e32d08fa6fPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/accdd6b912c4219b8e056d1f1ad2e85bc66ee243Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/c2e0c58b25a0a0c37ec643255558c5af4450c9f5Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/d38625f71950e79e254515c5fc585552dad4b33ePatch
Impacted products
Vendor Product Version
Linux Linux Version: 7f5c6addcdc039c1a7c435857e6284ecac5d97c8
Version: 7f5c6addcdc039c1a7c435857e6284ecac5d97c8
Version: 7f5c6addcdc039c1a7c435857e6284ecac5d97c8
Version: 7f5c6addcdc039c1a7c435857e6284ecac5d97c8
Version: 7f5c6addcdc039c1a7c435857e6284ecac5d97c8
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