CVE-2025-38094

Summary

In the Linux kernel, the following vulnerability has been resolved:

net: cadence: macb: Fix a possible deadlock in macb_halt_tx.

There is a situation where after THALT is set high, TGO stays high as well. Because jiffies are never updated, as we are in a context with interrupts disabled, we never exit that loop and have a deadlock.

That deadlock was noticed on a sama5d4 device that stayed locked for days.

Use retries instead of jiffies so that the timeout really works and we do not have a deadlock anymore.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxe86cd53afc5907f7c221b709916e2dd354e14691 < 0772a608d799ac0d127c0a36047a2725777aba9daffected
LinuxLinuxe86cd53afc5907f7c221b709916e2dd354e14691 < 64675a9c00443b2e8af42af08c38fc1b78b68ba2affected
LinuxLinuxe86cd53afc5907f7c221b709916e2dd354e14691 < aace6b63892ce8307e502a60fe2f5a4bc6e1cfe7affected
LinuxLinuxe86cd53afc5907f7c221b709916e2dd354e14691 < 1d60c0781c1bbeaa1196b0d8aad5c435f06cb7c4affected
LinuxLinuxe86cd53afc5907f7c221b709916e2dd354e14691 < 3e64d35475aa21d13dab71da51de51923c1a3a48affected
LinuxLinuxe86cd53afc5907f7c221b709916e2dd354e14691 < 84f98955a9de0e0f591df85aa1a44f3ebcf1cb37affected
LinuxLinuxe86cd53afc5907f7c221b709916e2dd354e14691 < c92d6089d8ad7d4d815ebcedee3f3907b539ff1faffected
LinuxLinux3.8affected
LinuxLinux0 < 3.8unaffected
LinuxLinux5.10.238 <= 5.10.*unaffected
LinuxLinux5.15.184 <= 5.15.*unaffected
LinuxLinux6.1.140 <= 6.1.*unaffected
LinuxLinux6.6.92 <= 6.6.*unaffected
LinuxLinux6.12.30 <= 6.12.*unaffected
LinuxLinux6.14.8 <= 6.14.*unaffected
LinuxLinux6.15 <= *unaffected

Weaknesses

ADP Enrichment

CVE Program Container

Additional References

References