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ubuntucveUbuntu.comUB:CVE-2024-36031
HistoryMay 30, 2024 - 12:00 a.m.

CVE-2024-36031

2024-05-3000:00:00
ubuntu.com
ubuntu.com
linux kernel
vulnerability fix
key expiration
dns resolution
time64_max
pre-parser
unix

7.2 High

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

13.2%

In the Linux kernel, the following vulnerability has been resolved:
keys: Fix overwrite of key expiration on instantiation
The expiry time of a key is unconditionally overwritten during
instantiation, defaulting to turn it permanent. This causes a problem
for DNS resolution as the expiration set by user-space is overwritten to
TIME64_MAX, disabling further DNS updates. Fix this by restoring the
condition that key_set_expiry is only called when the pre-parser sets a
specific expiry.

7.2 High

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

13.2%