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nvd416baaa9-dc9f-4396-8d5f-8c081fb06d67NVD:CVE-2024-36887
HistoryMay 30, 2024 - 4:15 p.m.

CVE-2024-36887

2024-05-3016:15:12
416baaa9-dc9f-4396-8d5f-8c081fb06d67
web.nvd.nist.gov
2
linux kernel
e1000e
vulnerability
usleep_range
udelay
phy mdic access
commit
kernel panic
cable disconnection
vpro systems

6.2 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

15.5%

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

e1000e: change usleep_range to udelay in PHY mdic access

This is a partial revert of commit 6dbdd4de0362 (“e1000e: Workaround
for sporadic MDI error on Meteor Lake systems”). The referenced commit
used usleep_range inside the PHY access routines, which are sometimes
called from an atomic context. This can lead to a kernel panic in some
scenarios, such as cable disconnection and reconnection on vPro systems.

Solve this by changing the usleep_range calls back to udelay.

6.2 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

15.5%